SPI ACS Triggers for April 2009

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for the most recent triggers the HEAVENS data is not yet available, please use the link in the rightmost column

Trigger ID / Time Type Origin Sigma Duration [s] Max Count Comment Details
2009-04-30 14:13:03   Short Spike AUTO 7.6955 0.2 5938  
2009-04-30 08:27:10   Short Spike AUTO 6.1659 0.25 5856  
2009-04-29 18:16:36   Short Spike AUTO 6.0072 0.25 5810  
2009-04-29 18:03:57 Confirmed GRB OFFLINE -1.0000 11 -1 GRB 090429D detected by Fermi GBM (Bhat 2009, GCN
2009-04-29 12:43:25 Confirmed GRB OFFLINE -1.0000 13 -1 GRB 090429C detected by Fermi GBM (McBreen 2009, G
2009-04-28 13:15:11   Confirmed GRB OFFLINE -1.0000 30 -1 GRB 090428B detected by Fermi GBM (Bissaldi 2009,
2009-04-28 10:34:38   Confirmed GRB OFFLINE -1.0000 8 -1 GRB 090428A detected by Fermi/GBM (Bissaldi et al.
2009-04-28 09:31:03 Possible GRB AUTO 11.2641 10 8176 possible GRB 090428. Multi peak structure.
2009-04-27 23:26:26 Confirmed GRB AUTO 13.3190 20 18094 GRB 090427, also seen by Konus-Wind, Konus-RF, Mar
2009-04-27 23:26:25   Confirmed GRB AUTO 9.0208 20 18094 same as next trigger
2009-04-27 16:30:23   Confirmed GRB OFFLINE -1.0000 12.5 -1 GRB 090427C detected by Fermi GBM (Briggs 2009, GC
2009-04-27 15:27:00   Confirmed GRB OFFLINE -1.0000 7 -1 GRB 090427B detected by Fermi GBM (Briggs 2009, GC
2009-04-26 16:33:49   Confirmed GRB OFFLINE -1.0000 12 -1 GRB 090426C detected by Fermi GBM (van der Horst 2
2009-04-26 12:48:47   Confirmed GRB OFFLINE -1.0000 25 -1 GRB 090426 detected by Swift/BAT (Cummings et al.
2009-04-25 09:04:26 Confirmed GRB AUTO 9.6654 20 5654 GRB 090425 also detected by Fermi GBM (von Kienlin
2009-04-24 14:12:09   Confirmed GRB AUTO 10.3546 5 7182 same as previous trigger
2009-04-24 14:12:07 Confirmed GRB AUTO 9.0915 5 7182 GRB 090424 also seen by Swift/BAT (GCN 9223, Canni
2009-04-23 07:55:19   Confirmed GRB OFFLINE -1.0000 20 -1 GRB 090423 detected by Swift/BAT (Krimm et al. 200
2009-04-22 03:35:16   Confirmed GRB OFFLINE -1.0000 10 -1 GRB 090422 detected by Swift/BAT (Ukwatta et al. 2
2009-04-19 13:43:31   Confirmed GRB OFFLINE -1.0000 90 -1 GRB 090419 detected by Swift/BAT (Stratta et al. 2
2009-04-18 19:35:25 Confirmed GRB AUTO 7.5280 1.5 7174 GRB 090418C also seen by Fermi GBM (Connaughton 20
2009-04-18 11:07:38 Confirmed GRB AUTO 9.3583 60 6800 GRB 090418A also detected by Swift/BAT (Mangano et
2009-04-18 08:59:23 Confirmed GRB AUTO 9.1005 30 6860 GRB 090418B also detected by Swift/BAT (Copete et
2009-04-18 08:59:20   Confirmed GRB AUTO 9.0407 30 6860 same as next trigger
2009-04-17 15:20:03   Confirmed GRB OFFLINE -1.0000 2100 -1 GRB 090417B detected by Swift/BAT (Sbarufatti et a
2009-04-17 13:17:23   Confirmed GRB OFFLINE -1.0000 0.1 -1 GRB 090417A detected by Swift/BAT (Mangano et al.
2009-04-13 13:47:16 Possible GRB AUTO 9.2510 5 15942 possible GRB 090413
2009-04-12 01:28:05 Confirmed GRB OFFLINE -1.0000 0.5 -1 GRB 090412 detected by Fermi GBM (Preece 2009, GCN
2009-04-11 23:47:44   Confirmed GRB OFFLINE -1.0000 19 -1 GRB 090411B detected by Fermi GBM (Preece 2009, GC
2009-04-11 20:06:36 Confirmed GRB AUTO 9.6150 20 6966 GRB 090411A also detected by Fermi GBM (Preece 200
2009-04-11 20:06:35   Confirmed GRB AUTO 9.2621 20 6966 same as next trigger
2009-04-10 16:57:58 Confirmed GRB AUTO 9.5842 40 6872 GRB 090410 also detected by Swift/BAT (Grupe et al
2009-04-09 06:54:01   Confirmed GRB OFFLINE -1.0000 20 -1 GRB 090409 detected by Fermi GBM (Bissaldi 2009, G
2009-04-09 06:18:23 Possible GRB AUTO 9.7921 40 6952 possible long GRB 090409B
2009-04-09 06:18:22   Possible GRB AUTO 9.1033 40 6952 same as next trigger
2009-04-08 20:49:47   Short Spike AUTO 11.4593 0.15 7248  
2009-04-08 19:46:43 Possible GRB AUTO 26.5246 7 26918 possible GRB 090408B or soft gamma-ray repeater. M
2009-04-08 19:46:41   Possible GRB AUTO 13.7539 7 26918 same as next trigger
2009-04-08 15:02:11   Confirmed GRB OFFLINE -1.0000   -1 GRB 090408 detected by Swift/BAT (Stroh et al. 200
2009-04-07 10:28:25   Confirmed GRB OFFLINE -1.0000 150 -1 GRB 090407 detected by Swift/BAT (Ziaeepour et al.
2009-04-06 17:22:14   Possible GRB AUTO 10.7458 20 11242 same as previous trigger
2009-04-06 17:22:12 Possible GRB AUTO 9.4028 20 11242 possible long GRB 090406. Brightest peak at T0+3.8
2009-04-05 15:54:41 Confirmed GRB AUTO 9.2290 0.3 7440 GRB 090405, also seen by Fermi/GBM (GCN 9098, Gold
2009-04-04 15:56:30   Confirmed GRB OFFLINE -1.0000 80 -1 GRB 090404 detected by Swift/BAT (Ziaeepour et al.
2009-04-03 19:55:42   Short Spike AUTO 10.3933 0.2 7060  
2009-04-03 07:32:42   Confirmed GRB OFFLINE -1.0000 16 -1 GRB 090403 detected by Fermi GBM (McBreen 2009, GC
2009-04-01 08:35:24 Confirmed GRB AUTO 10.9620 10 10850 GRB 090401B also seen by Swift BAT (GCN 9066, Palm
2009-04-01 08:35:23   Confirmed GRB AUTO 9.3220 10 10850 same as next trigger
2009-04-01 00:02:40 Confirmed GRB AUTO 9.2567 30 7340 GRB 090401 also detected by Swift/BAT (Schady et a
2009-04-01 00:00:59   Confirmed GRB OFFLINE -1.0000 190 -1 GRB 090401 also detected by Swift/BAT (Schady et a

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