TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2918 SUBJECT: GRB041228: Swift-BAT detection of a burst DATE: 04/12/28 18:08:18 GMT FROM: Scott Barthelmy at NASA/GSFCA. Parsons, S. Barthelmy, L. Barbier (GSFC), S. Campana (OAB), J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), J. Hill (PSU), D. Hullinger (GSFC/UMD), H. Krimm (GSFC/USRA), C. Markwardt (GSFC/UMD), F. Marshall (GSFC), K. McLean (LANL), D. Palmer (LANL), T. Sakamoto (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), M. Tashiro (Saitama), J. Tueller (GSFC) on behalf of the Swift-BAT team: At 10:49:13 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041228. The spacecraft did not autonomously slew to the burst since automated slewing was not yet enabled.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2914 SUBJECT: GRB041226: Swift-BAT detection of a burst DATE: 04/12/26 23:31:39 GMT FROM: Hans Krimm at NASA-GSFCH. Krimm (GSFC/USRA), D. Palmer (LANL), S. Barthelmy (GSFC), L. Barbier (GSFC), M. Chester (PSU), J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), D. Hinshaw (GSFC), D. Hullinger (GSFC/UMD), C. Markwardt (GSFC/UMD), K. McLean (LANL), A. Parsons (GSFC), T. Sakamoto (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), G. Tagliaferri (OAB), J. Tueller (GSFC), A. Wells (U Leicester) on behalf of the Swift-BAT team: At 20:34:19 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041226. The spacecraft did not autonomously slew to the burst since automated slewing was not yet enabled.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2908 SUBJECT: GRB041224: Swift-BAT detection of a soft burst DATE: 04/12/24 22:48:18 GMT FROM: Scott Barthelmy at NASA/GSFCS. Barthelmy (GSFC), C. Markwardt (GSFC/UMD), T. Sakamoto (), L. Barbier, J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), D. Hullinger (GSFC/UMD), S. Hunsberger (PSU), H. Krimm (GSFC/USRA), K. McLean, D. Palmer (LANL), A. Parsons (GSFC), G. Sato (ISAS), M. Still (GSFC/USRA), M. Suzuki (Saitama), G. Tagliaferri (OAB) J. Tueller, on behalf of the Swift-BAT team: At 20:20:57 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041224. The spacecraft did not autonomously slew to the burst since automated slewing was not yet enabled.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2898 SUBJECT: GRB041223: Swift-BAT detection of a bright long burst DATE: 04/12/23 17:58:52 GMT FROM: Scott Barthelmy at NASA/GSFCJ. Tueller, L. Barbier, S. Barthelmy (GSFC), A. Beardmore (U.Leicester), L. Cominsky (Sonoma State U), J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), S.T. Holland (GSFC/USRA), D. Hullinger (GSFC/UMD), H. Krimm (GSFC/USRA), C. Markwardt (GSFC/UMD), K. McLean, D. Palmer (LANL), A. Parsons (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), G. Tagliaferri (OAB) on behalf of the Swift BAT team: At 14:06:18 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041223. The spacecraft did not autonomously slew to the burst since automated slewing was not yet enabled.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2890 SUBJECT: GRB041220: Swift-BAT burst DATE: 04/12/21 02:48:49 GMT FROM: Scott Barthelmy at NASA/GSFCH. Krimm (GSFC/USRA), L. Angelini (GSFC/JHU), L. Barbier (GSFC), S. Barthelmy (GSFC), J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), M. Goad (U.Leicester), D. Hullinger (GSFC/UMD), C. Markwardt (GSFC/UMD), K. McLean (LANL/UTD), D. Palmer (LANL), A. Parsons (GSFC), P. Roming (PSU), G. Sato (ISAS), M. Suzuki (Saitama), T. Takashima (ISAS), J. Tueller (GSFC) on behalf of the Swift BAT team: At 22:58:26 UT, the Swift-BAT triggered and located on-board GRB041220 (BAT Trigger #100433). The spacecraft did not autonomously slew to the burst since automated slewing is not yet enabled. Automated notification to the BAT Team through TDRSS was partially enabled for this burst.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2886 SUBJECT: GRB041219c: Third Burst in One Day from Swift-BAT DATE: 04/12/20 18:22:19 GMT FROM: Craig Markwardt at GSFCC. Markwardt (UMD), L. Barbier, S. Barthelmy (GSFC), P. Boyd (UMBC), S. Campana (OAB), J. Cummings (GSFC), E. Fenimore (LANL), M. Galassi (LANL), N. Gehrels (GSFC), M. Goad (U.Leicester), D. Hullinger (UMD), H. Krimm (USRA), K. McLean (LANL), J. Norris (GSFC), D. Palmer (LANL), A. Parsons (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), T. Takahashi (ISAS), J. Tueller (GSFC) on behalf of the Swift BAT team. At 20:30:33 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041219c (BAT Trigger #100380). This is the third burst detected and imaged by BAT on Dec 19. The spacecraft did not autonomously slew to the burst since automated slewing is not yet enabled. Automated notification through TDRSS is also disabled during this early commissioning phase of the mission.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2883 SUBJECT: GRB041219b: A Swift-BAT burst DATE: 04/12/20 07:37:08 GMT FROM: Jay R. Cummings at NASA/GSFC/SwiftJ. Cummings, L. Barbier, S. Barthelmy (GSFC), M. Chester (PSU), E. Fenimore (LANL), N. Gehrels (GSFC), P. Giommi (ASDC), M. Goad (U.Leicester), D. Hullinger (UMD), K. Hurley (UCB), H. Krimm (USRA), C. Markwardt (UMD), K. McLean (LANL), D. Palmer (LANL), A. Parsons (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), J. Tueller (GSFC) on behalf of the Swift BAT team. At 15:38:48 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041219b. The spacecraft did not autonomously slew to the burst since automated slewing is not yet enabled. Automated notification through TDRSS is also disabled during this early commissioning phase of the mission.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2874 SUBJECT: Swift-BAT detection of the bright long burst GRB041219 DATE: 04/12/19 06:33:02 GMT FROM: Scott Barthelmy at NASA/GSFCS. Barthelmy (GSFC), D. Burrows (PSU), J. Cummings (GSFC), E. Fenimore (LANL), N. Gehrels (GSFC), M. Goad (U.Leicester), D. Hullinger (UMD), H. Krimm (USRA), C. Markwardt (UMD), F. Marshall (GSFC), K. McLean (LANL), J. Nousek (PSU), J. Osborne (U.Leicester), D. Palmer (LANL), A. Parsons (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), G. Tagliaferri (OAB), J. Tueller (GSFC) on behalf of the Swift BAT team. At 01:42:18 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board GRB041219 (GCN Circ# 2866, D.Gotz et al.). The spacecraft did not autonomously slew to the burst since automated slewing is not yet enabled.
TITLE: GCN GRB OBSERVATION REPORT NUMBER: 2853 SUBJECT: GRB041217: The First GRB Located On-Board Swift DATE: 04/12/17 23:59:44 GMT FROM: Ed Fenimore at LANLD. Palmer (LANL), E. Fenimore (LANL), S. Barthelmy (GSFC), G. Chincarini (OAB), J. Cummings (GSFC), N. Gehrels (GSFC), P. Giommi (ASDC), M. Goad (U.Leicester), D. Hullinger (UMD), H. Krimm (USRA), C. Markwardt (UMD), K. Mason (MSSL), K. McLean (LANL), J. Nousek (PSU), J. Osborne (U.Leicester), A. Parsons (GSFC), G. Sato (ISAS), M. Suzuki (Saitama), J. Tueller (GSFC), A. Wells (U.Leicester), N. White (GSFC), on behalf of the Swift BAT team. On Dec 17 2004, 7:28:30 UT, the Swift Burst Alert Telescope (BAT) triggered and located on-board an apparent gamma-ray burst. The spacecraft did not autonomously slew to the burst since automated slewing is not yet enabled.