Recent Flare List (2021-)

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List of EOVSA Flares with Spectrogram Data

Pre-2021 Selected Events

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2019-04-15 19:31 B3.3
EOVSA 20190415 B3flare.png
plot data
NA AIA Quicklook Movie
FITS Files

April 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-04-17 16:46 B9.0
EOVSA 20210417 B9flare.png
plot data
Yes AIA
2021-04-19 23:36 M1.0
EOVSA 20210419 M1flare.png
plot data
No AIA

May 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-05-05 22:30 B5.0
EOVSA 20210505 B1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-07 19:00 M4.0
EOVSA 20210507 M4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-08 18:30 C9.0
EOVSA 20210508 C9flare.png
plot data
Yes AIA
2021-05-09 13:55 C4.0
EOVSA 20210509 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-17 19:05 B5.0
EOVSA 20210517 B5flare.png
plot data
Yes AIA
2021-05-21 19:25 C5.0
EOVSA 20210521 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-22 16:10 C1.0
EOVSA 20210522 C1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-22 17:10 M1.0
EOVSA20210522 M1flare.png
plot data
Yes AIA
2021-05-22 21:30 M1.4
EOVSA 20210522 M1.4flare.png
plot data
Yes AIA
2021-05-22 23:11 C7.0
EOVSA 20210522 C7flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-23 17:00 C2.0
EOVSA 20210523 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-05-27 22:00 C1.0
EOVSA 20210527 C1flare.png
plot data
No AIA Quicklook Movie
[FITS Files]
2021-05-27 23:10 C7.0
EOVSA 20210527 C7flare.png
plot data
No AIA Quicklook Movie
FITS Files
2021-05-28 22:30 C9.0
EOVSA 20210528 C9flare.png
plot data
No AIA Quicklook Movie
FITS Files

July 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-07-03 14:27 X1.5
EOVSA 20210703 X1flare.png
plot data
No AIA Quicklook Movie
FITS Files
2021-07-06 19:15 C1.1
EOVSA 20210706 flare1.png
plot data
No AIA Quicklook Movie
FITS Files
2021-07-06 20:58 C1.2
EOVSA 20210706 flare2.png
plot data
No AIA
2021-07-06 21:49 C1.1
EOVSA 20210706 flare3.png
plot data
No AIA Quicklook Movie
FITS Files
2021-07-09 17:20 C4.7
EOVSA 20210709 C4flare.png
plot data
No AIA Quicklook Movie
FITS Files

August 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-08-20 15:55 C3.0
EOVSA 20210820 C3flare.png
plot data
Yes AIA
2021-08-20 21:45 C1.4
EOVSA 20210820 C1.4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-21 18:41 B3.9
EOVSA 20210821 B3.9flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-21 21:57 B3.9
EOVSA 20210821 B3.9flare2.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-21 22:29 B4.7
EOVSA 20210821 B4.7flare.png
plot data
Yes AIA
2021-08-26 18:12 C3.0
EOVSA 20210826 C3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-26 23:20 C3.9
EOVSA 20210826 C3.9flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-27 21:00 C7.3
EOVSA 20210827 C7flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-08-29 17:21 C2.9
EOVSA 20210829 C3flare.png
plot data
Yes (occulted?) AIA Quicklook Movie
FITS Files
2021-08-30 16:12 C2.0
EOVSA 20210830 C2flare.png
plot data
Yes (occulted) AIA Quicklook Movie
FITS Files
2021-08-30 18:23 B7.0
EOVSA 20210830 B7flare.png
plot data
Yes (occulted) AIA Quicklook Movie
FITS Files
2021-08-30 20:47 B8.0
EOVSA 20210830 B8flare.png
plot data
Yes (occulted) AIA Quicklook Movie
FITS Files
2021-08-31 14:48 B2.5
EOVSA 20210831 Bflares.png
plot data
No AIA
2021-08-31 19:08 B7.1
EOVSA 20210831 B7flare.png
plot data
No AIA Quicklook Movie
FITS Files

September 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-09-08 17:24 C8.3
EOVSA 20210908 C8flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-20 19:24 B4.0
EOVSA 20210920 flares0.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-20 21:00 B2.5
EOVSA 20210920 flares1.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-20 21:52 B3.3
EOVSA 20210920 flares2.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-21 20:24 B5.1
EOVSA 20210921 Bflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-22 20:12 C1.1
EOVSA 20210922 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-23 15:24 M1.9
EOVSA 20210923 M2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-23 20:40 C1.0
EOVSA 20210923 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-09-24 16:45 none? B4.0 at 16:12
EOVSA 20210924 Bflare.png
plot data
No? AIA?
2021-09-24 21:16 B2.0
EOVSA 20210924 Bflares.png
plot data
Yes AIA
2021-09-25 19:15 C1.7
EOVSA 20210925 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files

October 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-10-11 19:21 B2
EOVSA 20211011 Bflare.png
plot data
Yes AIA
(EOVSA 10% contours)
2021-10-12 15:57 B6
EOVSA 20211012 Bflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-10-28 15:26 X1
EOVSA 20211028 Xflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Evidence for low band spike emission
EOVSA 20211028 spikes.png
(~15:28:30 UT); obs by PSP/RFS

November 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-11-01 20:43 C2.1
EOVSA 20211101 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-11-01 21:11 C4.0
EOVSA 20211101 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-11-01 23:39 C4.5
EOVSA 20211101 C4.5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-11-03 21:14 C5.2
EOVSA 20211103 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files

December 2021

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2021-12-12 21:13 C1.2
EOVSA 20211212 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-12-14 20:33 C1.6
EOVSA 20211214 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2021-12-31 19:42 C8.1
EOVSA 20211232 C8flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Surprisingly weak in microwaves considering it is a C8 in soft X-rays.

January 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-01-18 17:38 M1.2
EOVSA 20220118 Mflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Type III at ~17:45 by PSP/RFS/LFR
2022-01-28 19:31 C2.8
EOVSA 20220128 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-01-28 20:35 B5.3
EOVSA 20220128 Bflares.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-01-28 20:49 B6.5
EOVSA 20220128 Bflares.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-01-29 23:00 M1
EOVSA 20220129 M1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
EOVSA took fast-mode data of this event
EOVSA 20220129 fast mode.png
Each row is 2-min of data at 20 ms cadence

February 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-02-03 20:42 C1.3
EOVSA 20220203 C1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-02-05 17:00 C2.1
EOVSA 20220205 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-02-08 21:40 C5.1
EOVSA 20220208 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files

March 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-03-30 17:30 X1.4
EOVSA 20220330 Xflare.png
plot data
Yes AIA
EOVSA 20220330 Xflare osc.png
Interesting oscillations
2022-03-31 18:28 M9.7
EOVSA 20220331 M9flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-03-31 19:32 C5
EOVSA 20220331 Cflare.png
plot data
No(occulted) AIA Quicklook Movie
FITS Files

April 2022

Although EOVSA observed many interesting events in April, the cooled receiver on the 27-m antenna, essential for phase calibration, was not working from about April 1 - May 7, 2022. The cause of the long outage was that the manlift needed to repair the receiver had a flat tire that required a long leadtime to replace. Any events seen during this period are available in total power only--no imaging is possible.

May 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-05-10 13:55 X1.5
EOVSA 20220510 Xflare.png
plot data
No AIA
2022-05-11 18:35 M2.6
EOVSA 20220511 M2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-05-15 00:01 M2.3
EOVSA 20220515 M2flare.png
plot data
No(occulted) AIA
2022-05-17 19:33 C2.0
EOVSA 20220517 C2flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-05-18 22:00 M1.1
EOVSA 20220518 M1flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-05-24 22:30 C5.1
EOVSA 20220524 C2flare.png
plot data
No AIA?
2022-05-25 18:17 M1.3
EOVSA 20220525 M1flare.png
plot data
No AIA Quicklook Movie
FITS Files
Two-ribbon flare from spotless region

July 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-07-08 20:23 M2.6
EOVSA 20220708 Mflare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-07-14 21:45 M2.9
EOVSA 20220714 Mflare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-07-15 23:09 C2.9
EOVSA 20220715 C3flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-07-16 22:17 C2.0
EOVSA 20220716 C1flare.png
plot data
yes (occulted?) AIA
2022-07-17 21:37 C4.8
EOVSA 20220717 C4flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-07-31 22:50 C9.3
EOVSA 20220731 M1flare.png
plot data
No AIA Quicklook Movie
FITS Files

August 2022

Note: For much of August the array was down due to a planned power outage to install some new power equipment. The event on 2022 Aug. 30 was observed while the array was not yet tuned for delays.

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-08-30 17:58 M1.2
EOVSA 20220830 M2flare.png
plot data
No AIA? The amplitudes are not corrected for bad delays

link to total power plot with ~ correct amplitudes

September 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-09-12 23:45 M1.8
EOVSA 20220912 M2flare.png
plot data
Yes (occulted) AIA Quicklook Movie
FITS Files
2022-09-16 15:51 M6.7
EOVSA 20220916 M6flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-09-17 20:43 M2.6
EOVSA 20220917 M2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Weak, occulted event
2022-09-18 22:11 C3.0
EOVSA 20220918 C3flare.png
plot data
No(occulted) AIA Quicklook Movie
FITS Files
2022-09-23 18:02 M1.7
EOVSA 20220923 M2flare.png
plot data
No(occulted) AIA Quicklook Movie
FITS Files
2022-09-30 16:24 M3.0
EOVSA 20220930 M3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-09-30 22:41 C3.0
EOVSA 20220930 C3flare.png
plot data
No? AIA Nice on-disk jet-like event

October 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-10-01 18:02 C3
EOVSA 20221001 C3flare.png
plot data
No AIA? Quicklook Movie
FITS Files
AIA?
2022-10-01 18:49 C2
EOVSA 20221001 C2flare.png
plot data
No? AIA? Quicklook Movie
FITS Files
2022-10-01 20:09 M5.8
EOVSA 20221001 M5flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-02 20:23 X1.1
EOVSA 20221002 X1flare.png
plot data
No AIA Quicklook Movie
FITS Files
Very strong radio event >1700 sfu.

While STIX detected a flare occurring simultaneously, it was located near the east limb and not the X1.1 flare in the western hemisphere. The Solar Orbiter couldn't observe the X1.1 flare due to its positioning.

2022-10-03 20:21 M1.2
EOVSA 20221003 M2flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-10 15:42 C5
EOVSA 20221010 C5flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-10 16:12 M2.4
EOVSA 20221010 M2flare.png
plot data
Yes(occulted?) AIA Quicklook Movie
FITS Files
2022-10-10 23:19 C3
EOVSA 20221010 C3flare.png
plot data
No? AIA Quicklook Movie
FITS Files
Tiny circular-ribbon flare
2022-10-11 16:35 C3.6
EOVSA 20221011 Cflare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-11 18:17 C6.1
EOVSA 20221011 C6flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-12 16:28 C4.7
EOVSA 20221012 C4flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-13 00:10 M1.5
EOVSA 20221013 M1flare.png
plot data
No AIA
2022-10-16 16:05 C1.9
EOVSA 20221016 C1flare.png
plot data
No AIA Quicklook Movie
FITS Files
2022-10-19 21:44 C4.2
EOVSA 20221019 C4flare.png
plot data
Yes? AIA Quicklook Movie
FITS Files
2022-10-25 19:00 C4.9
EOVSA 20221025 C4flare.png
plot data
Yes? AIA Quicklook Movie
FITS Files

November 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-11-10 18:14 B9.7
EOVSA 20221110 Bflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-11-12 18:02 C6.5
EOVSA 20221112 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Unusually fast (1-s) rise time
2022-11-13 19:08 C2.2
EOVSA 20221113 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-11-13 22:15 C2.0
EOVSA 20221113 Cflare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-11-14 19:27 C5.1
EOVSA 20221114 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-11-14 21:24 C2.6
EOVSA 20221114 C2flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2022-11-18 18:54 C4.6
EOVSA 20221118 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-11-18 22:04 C1.9
EOVSA 20221118 C1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files

December 2022

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comment
2022-12-09 22:42 C5.0
EOVSA 20221209 Cflare.png
plot data
Yes AIA Very spikey, yet strong (and brief) in SXR
2022-12-13 19:48 C1.0
EOVSA 20221213 C1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-13 23:17 C3.0
EOVSA 20221213 C3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-14 19:09 C3.0
EOVSA 20221214 C3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-14 19:33 C6.4
EOVSA 20221214 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-14 20:55 M2.2
EOVSA 20221214 M2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-14 22:06 M4.5
EOVSA 20221214 M3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-16 19:06 C9.1
EOVSA 20221216 C9flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
VLA C-band data were obtained for this flare
2022-12-17 19:46 M1.0
EOVSA 20221217 M1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Nice east-limb filament eruption
2022-12-21 20:45 C4.8
EOVSA 20221221 C5flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-21 22:12 C6.9
EOVSA 20221221 C6flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2022-12-22 22:27 B7.8
EOVSA 20221222 burst.png
plot data
Yes AIA? Quicklook Movie
FITS Files
Intense decimetric emission with weak GS
2022-12-25 21:56 C2.2
EOVSA 20221225 C2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-26 16:57 C4.4
EOVSA 20221226 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-26 19:40 C6.0
EOVSA 20221226 C6flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-27 16:24 M1.2
EOVSA 20221227 M1flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-27 20:36 C4.5
EOVSA 20221227 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
2022-12-29 18:18 M2.4
EOVSA 20221229 M2flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
A nice, long-duration limb flare
2022-12-29 18:18 M2.4
EOVSA 20221229 M2flare ld.png
plot data
Yes AIA Quicklook Movie
FITS Files
Same flare as above, showing long decay
2022-12-30 19:09 C4.0
EOVSA 20221230 C4flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
This and the next flare could be considered one event
2022-12-30 19:35 M3.7
EOVSA 20221230 M3flare.png
plot data
Yes AIA Quicklook Movie
FITS Files
Really nice on-disk event (flux rope)
2022-12-31 21:42 C9.1
EOVSA 20221231 C9flare.png
plot data
Yes AIA Quicklook Movie
FITS Files

January 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comment
2023-01-01 19:33 C1.1
EOVSA 20230101 Cflare.png
plot data
Yes AIA
2023-01-06 18:47 C6.1
EOVSA 20230106 C6flare.png
plot data
Yes AIA
2023-01-09 18:46 X2.0
EOVSA 20230109 Xflare.png
plot data
Yes AIA
2023-01-10 17:48 M1.3
EOVSA 20230110 M1flare.png
plot data
Yes AIA
2023-01-10 22:47 X1.0
EOVSA 20230110 Xflare.png
plot data
Yes AIA
2023-01-14 20:12 M3.5
EOVSA 20230114 M3flare.png
plot data
Yes AIA

February 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comment
2023-02-08 21:10 M1.7
EOVSA 20230208 M1flare.png
plot data
Yes AIA
2023-02-09 18:25 M1.8
EOVSA 20230209 M1flare.png
plot data
Yes AIA
2023-02-10 22:38 M1.3
EOVSA 20230210 Mflare.png
plot data
Yes AIA
2023-02-11 15:50 X1.2
EOVSA 20230211 Xflare.png
plot data
Yes AIA
2023-02-17 20:03 X2.3
EOVSA 20230217 X2flare.png
plot data
Yes AIA
2023-02-19 19:28 C4.0
EOVSA 20230219 Cflare.png
plot data
Yes AIA
2023-02-21 20:12 M5.1
EOVSA 20230221 M5flare.png
plot data
Yes AIA
2023-02-23 18:20 C8.9
EOVSA 20230223 C8flare.png
plot data
No? AIA
2023-02-23 23:12 C6.2
EOVSA 20230223 C6flare.png
plot data
Yes AIA
2023-02-24 20:20 M3.7
EOVSA 20230224 Mflare.png
plot data
Yes AIA
2023-02-25 19:30 M5.9
EOVSA 20230225 Mflare.png
plot data
Yes AIA
2023-02-26 19:17 C2.8
EOVSA 20230226 Cflare.png
plot data
Yes AIA

March 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comment
2023-03-05 21:35 M5
EOVSA 20230305 Mflare.png
plot data
Yes AIA
2023-03-08 22:42 M1.4
EOVSA 20230308 Mflare.png
plot data
Yes AIA
2023-03-18 20:51 B8.6
EOVSA 20230318 LWAflare.png
plot data
Yes AIA? OVRO-LWA data for this event

April 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comment
2023-04-07 20:37 C2.6
EOVSA 20230407 C2flare.png
plot data
No AIA
2023-04-07 23:34 C5.8
EOVSA 20230407 C5flare.png
plot data
No? AIA
2023-04-11 22:38 C5.9
EOVSA 20230411 Cflare.png
plot data
Yes AIA
2023-04-14 23:26 M1.5
EOVSA 20230414 Mflare.png
plot data
No AIA
2023-04-18 19:12 C1.9
EOVSA 20230418 Cflare.png
plot data
Yes AIA
2023-04-21 17:57 M1.8
EOVSA 20230421 Mflare.png
plot data
Yes AIA Halo CME associated
2023-04-27 01:00 C3.0
EOVSA 20230427 Cflare.png
plot data
Yes AIA
2023-04-29 23:02 C3.2
EOVSA 20230429 Cflare.png
plot data
Yes AIA
2023-04-30 20:35 M2.1
EOVSA 20230430 Mflare.png
plot data
No? AIA

May 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comment
2023-05-01 21:46 C3.4
EOVSA 20230501 Cflare.png
plot data
Yes AIA
2023-05-03 20:53 C4.1
EOVSA 20230503 Cflare.png
plot data
No AIA
2023-05-05 15:45 C8.2
EOVSA 20230505 C8flare.png
plot data
No data AIA
2023-05-06 14:58 C3.6
EOVSA 20230506 C3flare.png
plot data
No data AIA
2023-05-06 17:43 C1.8
EOVSA 20230506 C1flare.png
plot data
No data AIA
2023-05-06 21:53 C4.7
EOVSA 20230506 C4flare.png
plot data
No data AIA
2023-05-07 22:00 M1.5
EOVSA 20230507 Mflare.png
plot data
No data AIA
2023-05-08 14:19 C9.5
EOVSA 20230508 C9flare.png
plot data
No data AIA
2023-05-08 16:08 C3.0
EOVSA 20230508 C3flare.png
plot data
No data AIA
2023-05-08 20:00 M2.3
EOVSA 20230508 M2flare.png
plot data
Yes? AIA This flare occurred during the decay phase of the previous one
2023-05-08 21:20 C3.4
EOVSA 20230508 C34flare.png
plot data
Yes? AIA?
2023-05-09 14:01 C5.5
EOVSA 20230509 C5flare.png
plot data
Yes AIA
2023-05-09 14:31 C7.3
EOVSA 20230509 C7flare.png
plot data
No AIA
2023-05-09 18:40 M4.2
EOVSA 20230509 M4flare log.png
plot data
Yes AIA
2023-05-09 20:47 M5.0
EOVSA 20230509 M5flare.png
plot data
No AIA This flare occurred during the decay phase of the previous one
2023-05-10 14:18 M2.1
EOVSA 20230510 M2flare.png
plot data
Yes AIA radio QPPs
2023-05-11 01:06 C4.2
EOVSA 20230511 C4flare.png
plot data
Yes AIA
2023-05-11 18:26 M1.2
EOVSA 20230511 M1flare.png
plot data
No AIA
2023-05-12 23:57 C5.5
EOVSA 20230512 C5flare.png
plot data
No AIA
2023-05-13 19:40 C1.7
EOVSA 20230513 C1flare.png
plot data
No? AIA?
2023-05-18 20:20 M3.9
EOVSA 20230518 M3flare.png
plot data
No? AIA
2023-05-19 00:48 M5.4
EOVSA 20230519 M5flare.png
plot data
No AIA
2023-05-19 16:17 C3.3
EOVSA 20230519 C3flare.png
plot data
No AIA?
2023-05-19 19:10 C5.2
EOVSA 20230519 C5flare.png
plot data
No AIA
2023-05-20 14:58 M5.6
EOVSA 20230520 M56flare.png
plot data
No AIA
2023-05-20 23:03 M5.2
EOVSA 20230520 M52flare.png
plot data
Yes? AIA
2023-05-21 15:57 M2.6
EOVSA 20230521 M2flare.png
plot data
Yes? AIA
2023-05-21 21:06 C6.1
EOVSA 20230521 C4flare.png
plot data
Yes AIA
2023-05-23 14:36 C6.8
EOVSA 20230523 C2flare.png
plot data
No AIA
2023-05-24 17:15 M1.9
EOVSA 20230524 Mflare.png
plot data
No? AIA
2023-05-24 19:03 C5.1
EOVSA 20230524 C5flare.png
plot data
No AIA
2023-05-24 19:48 C3.6
EOVSA 20230524 C3flare.png
plot data
Yes AIA
2023-05-25 14:42 M1.1
EOVSA 20230525 Mflare.png
plot data
No? AIA
2023-05-26 22:37 C7.0
EOVSA 20230526 Mflare.png
plot data
No AIA
2023-05-27 16:35 C1.5
EOVSA 20230527 Cflare.png
plot data
No AIA?
2023-05-27 22:36 C1.5
EOVSA 20230527 C1flare.png
plot data
No AIA
2023-05-29 18:19 C6.5
EOVSA 20230529 C6flare.png
plot data
Yes AIA
2023-05-31 16:37 C3.3
EOVSA 20230531 C3flare.png
plot data
No AIA

June 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-06-01 20:33 C6.3
EOVSA 20230601 C6flare.png
plot data
No SSW Movie
2023-06-02 21:08 C1.2
EOVSA 20230602 C1flare.png
plot data
No AIA?
2023-06-03 21:46 C2.8
EOVSA 20230603 C2flare.png
plot data
Yes AIA
2023-06-05 22:55 C1.7
EOVSA 20230605 C1flare.png
plot data
No? AIA?
2023-06-06 18:58 C7.5
EOVSA 20230606 C7flare.png
plot data
No AIA
2023-06-07 18:28 C9.2
EOVSA 20230607 C9flare.png
plot data
No AIA
2023-06-09 14:37 C4.4
EOVSA 20230609 C4flare.png
plot data
No AIA
2023-06-09 17:04 M2.5
EOVSA 20230609 M2flare.png
plot data
Yes AIA
2023-06-12 20:22 C3.3
EOVSA 20230612 C3flare.png
plot data
No? AIA
2023-06-13 20:30 C3.9
EOVSA 20230613 C3flare.png
plot data
No AIA
2023-06-18 00:30 M1.3
EOVSA 20230618 M1flare.png
plot data
No AIA
2023-06-20 17:07 X1.1
EOVSA 20230620 X1flare log.png
plot data
No? AIA Limb CME associated
2023-06-20 17:55 M1.2
EOVSA 20230620 Mflare log.png
plot data
No AIA? Low frequency emission during the decay phase of the previous flare
2023-06-21 15:37 M1.0
EOVSA 20230621 M1flare.png
plot data
No AIA
2023-06-22 01:06 C6.2
EOVSA 20230622 C6flare.png
plot data
No AIA
2023-06-22 23:37 M4.9
EOVSA 20230622 M4flare.png
plot data
No AIA
2023-06-24 21:13 C4.9
EOVSA 20230624 C4flare.png
plot data
Yes AIA
2023-06-25 21:58 C6.8
EOVSA 20230625 C6flare.png
plot data
Yes AIA
2023-06-25 22:59 C1.6
EOVSA 20230625 C1flare.png
plot data
No AIA
2023-06-26 01:34 C2.2
EOVSA 20230626 C2flare.png
plot data
No AIA
2023-06-26 16:18 M1.6
EOVSA 20230626 M1flare.png
plot data
No AIA
2023-06-26 22:19 C2.3
EOVSA 20230626 C23flare.png
plot data
No AIA
2023-06-27 15:12 C9.8
EOVSA 20230627 C9flare.png
plot data
No AIA
2023-06-27 22:26 C4.4
EOVSA 20230627 C4flare.png
plot data
Yes AIA
2023-06-29 14:10 M3.8
EOVSA 20230629 M3flare.png
plot data
No AIA
2023-06-29 16:36 C2.5
EOVSA 20230629 C2flare.png
plot data
No AIA
2023-06-29 22:00 C5.3
EOVSA 20230629 C5flare.png
plot data
No AIA
2023-06-30 18:56 C3.7
EOVSA 20230630 C3flare.png
plot data
No AIA

July 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-07-04 19:18 C8.0
EOVSA 20230704 C8flare.png
plot data
Yes SSW Movie
2023-07-11 14:27 M2.0
EOVSA 20230711 M2flare.png
plot data
Yes AIA
2023-07-11 18:00 M6.8
EOVSA 20230711 M6flare.png
plot data
Yes AIA nice limb eruption; radio oscillations
2023-07-11 22:12 M5.8
EOVSA 20230711 M5flare.png
plot data
Yes AIA from same active region as above two
2023-07-16 17:40 M4.0
EOVSA 20230716 M4flare.png
plot data
Yes AIA
2023-07-17 22:45 M2.7
EOVSA 20230717 M2flare.png
plot data
Yes AIA random twisted?
2023-07-17 23:36 M5.7
EOVSA 20230717 M5flare.png
plot data
Yes AIA Missed the beginning, and data dropouts every 1 min (reason unknown)
2023-07-18 19:25 M1.3
EOVSA 20230718 Mflare.png
plot data
Yes AIA?
2023-07-19 17:15 M3.8
EOVSA 20230719 C5flare.png
plot data
Yes AIA
2023-07-20 19:53 C9.7
EOVSA 20230720 C9flare.png
plot data
No AIA
2023-07-23 14:55 C5.2
EOVSA 20230723 C5flare.png
plot data
Yes AIA Very strong event as observed by OVRO-LWA
2023-07-25 23:43 C3.6
EOVSA 20230725 C3flare.png
plot data
Yes AIA
2023-07-26 15:57 M2.1
EOVSA 20230726 M2flare.png
plot data
Yes AIA
2023-07-28 14:50 C7.8
EOVSA 20230728 C7flare.png
plot data
No AIA
2023-07-28 20:51 C6.0
EOVSA 20230728 C5flare.png
plot data
No AIA
2023-07-29 16:20 M1.4
EOVSA 20230729 M1flare.png
plot data
No AIA radio oscillations and fine structures
2023-07-30 22:19 C1.5
EOVSA 20230730 C1flare.png
plot data
No AIA
2023-07-31 22:46 C5.4
EOVSA 20230731 C5flare.png
plot data
No AIA

August 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-08-02 00:21 C7.9
EOVSA 20230802 C7flare.png
plot data
Yes AIA
2023-08-02 14:51 M1.7
EOVSA 20230802 M1flare.png
plot data
Yes AIA
2023-08-02 16:20 M1.3
EOVSA 20230802 M13flare.png
plot data
Yes AIA
2023-08-02 19:11 M1.1
EOVSA 20230802 M11flare.png
plot data
Yes AIA
2023-08-05 22:05 X1.6
EOVSA 20230805 X1flare log.png
plot data
Yes AIA long-duration limb flare
2023-08-06 18:35 M5.5
EOVSA 20230806 M5flare.png
plot data
Yes AIA
2023-08-07 20:58 X1.5
EOVSA 20230807 X1flare.png
plot data
Yes AIA
2023-08-14 20:42 C2.6
EOVSA 20230814 C2flare.png
plot data
No AIA?
2023-08-15 21:56 C2.3
EOVSA 20230815 C2flare.png
plot data
No? AIA
2023-08-18 19:20 C3.7
EOVSA 20230818 C3flare zoom.png
plot data
Yes AIA OVRO-LWA event associated
2023-08-18 21:20 C3.0
EOVSA 20230818 C30flare.png
plot data
No? AIA
2023-08-24 15:52 C1.1
EOVSA 20230824 C1flare.png
plot data
No AIA
2023-08-25 01:04 M1.5
EOVSA 20230825 M1flare.png
plot data
No AIA
2023-08-26 21:48 C2.6
EOVSA 20230826 C2flare.png
plot data
Yes AIA
2023-08-30 17:15 C1.0
EOVSA 20230830 Cflare.png
plot data
No? AIA?

September 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-09-03 00:18 M1.1
EOVSA 20230903 M1flare.png
plot data
No AIA
2023-09-07 19:01 M2.1
EOVSA 20230907 M2flare.png
plot data
No AIA OVRO-LWA event associated
2023-09-11 21:11 C8.2
EOVSA 20230911 C8flare.png
plot data
Yes? AIA
2023-09-12 21:54 C5.6
EOVSA 20230912 C5flare.png
plot data
No? AIA
2023-09-14 19:30 M1.9
EOVSA 20230914 M1flare.png
plot data
No AIA
2023-09-14 21:25 M2.5
EOVSA 20230914 M2flare.png
plot data
Yes? AIA
2023-09-16 15:56 C3.7
EOVSA 20230916 C3flare.png
plot data
No AIA
2023-09-17 16:02 C3.5
EOVSA 20230917 C3flare.png
plot data
Yes AIA OVRO-LWA event associated
flare and nearby jet connection
2023-09-18 20:28 C3.9
EOVSA 20230918 C3flare.png
plot data
No AIA OVRO-LWA event associated
2023-09-19 20:09 M4.0
EOVSA 20230919 M4flare log.png
plot data
Yes AIA OVRO-LWA event associated
2023-09-19 22:30 C9.7
EOVSA 20230919 C9flare.png
plot data
No? AIA OVRO-LWA event associated
2023-09-20 18:39 C5.5
EOVSA 20230920 C5flare.png
plot data
Yes AIA jets in two directions?
2023-09-21 19:53 B3.7
EOVSA 20230921 Cflare.png
plot data
Yes
2023-09-22 17:09 M1.5
EOVSA 20230922 M1flare.png
plot data
No AIA
2023-09-22 19:28 C9.8
EOVSA 20230922 C9flare.png
plot data
No AIA
2023-09-24 14:57 M1.0
EOVSA 20230924 M1flare.png
plot data
No AIA
2023-09-25 18:58 C4.2
EOVSA 20230925 C4flare.png
plot data
Yes AIA
2023-09-26 16:17 C4.3
EOVSA 20230926 C4flare.png
plot data
Yes AIA
2023-09-30 16:05 C6.3
EOVSA 20230930 C6flare.png
plot data
Yes AIA

October 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-10-07 23:20 C5.2
EOVSA 20231007 C5flare.png
plot data
No AIA
2023-10-09 19:00 C9.1
EOVSA 20231009 C9flare.png
plot data
No AIA
2023-10-15 16:32 C3.9
EOVSA 20231015 C3flare.png
plot data
Yes AIA
2023-10-16 16:04 C9.7
EOVSA 20231016 C9flare.png
plot data
Yes AIA

November 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-11-02 19:16 M1.0
EOVSA 20231102 M1flare.png
plot data
Yes AIA
2023-11-05 17:40 C4.5
EOVSA 20231105 C4flare.png
plot data
Yes AIA
2023-11-11 16:45 C1.8
EOVSA 20231111 C1flare.png
plot data
Yes AIA
2023-11-11 18:05 C4.8
EOVSA 20231111 C4flare.png
plot data
Yes AIA
2023-11-14 23:04 M1.1
EOVSA 20231114 M1flare.png
plot data
Yes AIA

December 2023

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie Comments
2023-12-01 19:22 C3.3
EOVSA 20231201 C3flare.png
plot data
Yes AIA?
2023-12-01 21:15 M1.0
EOVSA 20231201 M1flare.png
plot data
Yes AIA?
2023-12-01 21:52 C5.0
EOVSA 20231201 C5flare.png
plot data
Yes [AIA?]
2023-12-06 18:54 C4.8
EOVSA 20231206 C4flare.png
plot data
Yes AIA
2023-12-07 18:12 C4.1
EOVSA 20231207 C4flare.png
plot data
Yes AIA?
2023-12-07 20:53 C8.2
EOVSA 20231207 C8flare.png
plot data
Yes AIA?
2023-12-08 23:02 M5.5
EOVSA 20231208 M5flare.png
plot data
Yes AIA?
2023-12-10 22:43 M1.4
EOVSA 20231210 M1flare.png
plot data
Yes AIA?
2023-12-14 17:00 X2.7
EOVSA 20231214 X2flare.png
plot data
Yes AIA Flare decay phase:
EOVSA 20231214 X2decay2 log.png
EOVSA 20231214 X2decay log.png
plot data
2023-12-15 21:20 C5.5
EOVSA 20231215 C5flare.png
plot data
Yes AIA?
2023-12-20 18:42 C7.3
EOVSA 20231220 C7flare.png
plot data
Yes AIA?
2023-12-21 21:20 C4.0
EOVSA 20231221 C4flare.png
plot data
Yes AIA
2023-12-24 16:43 M2.7
EOVSA 20231224 M2flare.png
plot data
Yes AIA?
2023-12-31 19:01 M1.0
EOVSA 20231231 M1flare.png
plot data
Yes AIA?
2023-12-31 20:30 C6.6
EOVSA 20231231 C6flare.png
plot data
Yes AIA?
2023-12-31 21:40 X5.0
EOVSA 20231231 X5flare.png
plot data
Yes AIA?

January 2024

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comments
2024-01-02 18:10 M1.2
EOVSA 20240102 M1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-02 22:01 C1.1
EOVSA 20240102 C1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-03 17:50 B8.9
EOVSA 20240103 B8flare.png
plot data
Yes [AIA?] Quicklook Movie
FITS Files
2024-01-03 19:45 C2.1
EOVSA 20240103 C2flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-06 16:30 C2.4
EOVSA 20240106 C2flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-06 21:57 C1.8
EOVSA 20240106 C1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-10 18:20 C2.8
EOVSA 20240110 C2flare.png
plot data
Yes [AIA?] Quicklook Movie
FITS Files
2024-01-10 19:00 C6.5
EOVSA 20240110 C6flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-11 17:51 M1.5
EOVSA 20240111 M1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-11 20:12 C7.9
EOVSA 20240111 C7flare.png
plot data
Yes [AIA?] Quicklook Movie
FITS Files
2024-01-21 20:12 C5.8
EOVSA 20240121 C5flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-22 19:18 M1.0
EOVSA 20240122 M1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-22 21:20 M3.4
EOVSA 20240122 M3flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-22 21:40 M1.6
EOVSA 20240122 M16flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-23 16:37 M4.3
EOVSA 20240123 M4flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-23 17:38 C7.3
EOVSA 20240123 C7flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-23 21:03 C4.9
EOVSA 20240123 C4flare.png
plot data
Yes AIA?
2024-01-24 21:08 M1.3
EOVSA 20240124 M1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-29 16:38 C5.9
EOVSA 20240129 C5flare.png
plot data
No? AIA? Quicklook Movie
FITS Files
2024-01-29 22:31 C1.8
EOVSA 20240129 C1flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-01-30 17:37 C5.7
EOVSA 20240130 C5flare.png
plot data
No AIA? Quicklook Movie
FITS Files

February 2024

Date Time (UT) GOES Class Spectrogram STIX Coverage AIA Movie EOVSA Images Comments
2024-02-01 22:33 C1.2
EOVSA 20240201 C1flare.png
plot data
Yes AIA?
2024-02-02 16:30 C3.2
EOVSA 20240202 C3flare.png
plot data
Yes AIA? Quicklook Movie
FITS Files
2024-02-02 16:47 C2.6
EOVSA 20240202 C2flare.png
plot data
Yes AIA?
2024-02-04 20:55 M1.3
EOVSA 20240204 M1flare.png
plot data
Yes AIA?
2024-02-04 22:27 M2.7
EOVSA 20240204 M2flare.png
plot data
Yes AIA?
2024-02-05 23:06 C6.1
EOVSA 20240205 C6flare.png
plot data
Yes AIA?
2024-02-06 17:34 C3.3
EOVSA 20240206 C3flare.png
plot data
Yes AIA?
2024-02-06 18:45 M1.3
EOVSA 20240206 M1flare.png
plot data
Yes AIA?
2024-02-07 17:52 M1.4
EOVSA 20240207 M1flare.png
plot data
Yes AIA?
2024-02-07 20:25 C3.4
EOVSA 20240207 C3flare.png
plot data
Yes AIA?
2024-02-08 17:05 C7.0
EOVSA 20240208 C7flare.png
plot data
Yes AIA?
2024-02-08 17:36 C2.4
EOVSA 20240208 C2flare.png
plot data
Yes AIA?
2024-02-08 19:02 M1.3
EOVSA 20240208 M1flare.png
plot data
Yes AIA?
2024-02-08 23:32 M4.0
EOVSA 20240208 M4flare.png
plot data
[Yes] AIA?
2024-02-09 00:09 M4.0
EOVSA 20240208 M4flare decay.png
plot data
[Yes] AIA? Low frequency emission during the decay phase of the previous flare
2024-02-09 17:25 C6.8
EOVSA 20240209 C6flare.png
plot data
[Yes]
2024-02-09 17:56 M1.2
EOVSA 20240209 M1flare.png
plot data
[Yes]
2024-02-10 23:04 M9.0
EOVSA 20240210 M9flare.png
plot data
[Yes]

Python code to read plotdata file

from __future__ import print_function
def rd_datfile(file):
    ''' Read EOVSA binary spectrogram file and return a dictionary with times 
        in Julian Date, frequencies in GHz, and cross-power data in sfu.
        
        Return Keys:
          'time'     Numpy array of nt times in JD format
          'fghz'     Numpy array of nf frequencies in GHz
          'data'     Numpy array of size [nf, nt] containing cross-power data
          
        Returns empty dictionary ({}) if file size is not compatible with inferred dimensions
    '''
    import struct
    import numpy as np
    def dims(file):
        # Determine time and frequency dimensions (assumes the file has fewer than 10000 times)
        f = open(file,'rb')
        tmp = f.read(83608)  # max 10000 times and 451 frequencies
        f.close()
        nbytes = len(tmp)
        tdat = np.array(struct.unpack(str(int(nbytes/8))+'d',tmp[:nbytes]))
        nt = np.where(tdat < 2400000.)[0]
        nf = np.where(np.logical_or(tdat[nt[0]:] > 18, tdat[nt[0]:] < 1))[0]
        return nt[0], nf[0]
    nt, nf = dims(file)
    f = open(file,'rb')
    tmp = f.read(nt*8)
    times = struct.unpack(str(nt)+'d',tmp)
    tmp = f.read(nf*8)
    fghz = struct.unpack(str(nf)+'d',tmp)
    tmp = f.read()
    f.close()
    if len(tmp) != nf*nt*4:
        print('File size is incorrect for nt=',nt,'and nf=',nf)
        return {}
    data = np.array(struct.unpack(str(nt*nf)+'f',tmp)).reshape(nf,nt)
    return {'time':times, 'fghz':fghz, 'data':data}

IDL code to read plotdata file

function rd_datfile,file
    ; Read EOVSA binary spectrogram file and return a structure with times 
    ; in Julian Date, frequencies in GHz, and cross-power data in sfu.
    ;    
    ; Return tags:
    ;      'time'     Array of nt times in JD format
    ;      'fghz'     Array of nf frequencies in GHz
    ;      'data'     Array of size [nf, nt] containing cross-power data
    ;
    ;    Returns empty dictionary ({}) if file size is not compatible with inferred dimensions
    openr,/get_lun,lun,file
    tmp = dblarr(10451)
    readu,lun,tmp
    free_lun,lun
    nt = (where(tmp lt 2400000.))[0]
    nf = (where(tmp[nt[0]:*] gt 18 or tmp[nt[0]:*] lt 1))[0]
    times = dblarr(nt)
    fghz = dblarr(nf)
    data = fltarr(nt, nf)
    openr,/get_lun,lun,file
    readu,lun,times
    readu,lun,fghz
    readu,lun,data
    free_lun,lun
    data = create_struct('time',times,'fghz',fghz,'data',transpose(data))
    return, data
    end