Showing results 201 to 250 out of 13841
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| Atel ID | Atel Date (UT) | Coords X-Refs | RA | DEC | Title | Keywords | Authors |
|---|---|---|---|---|---|---|---|
| 2458 | 2010-02-25 17:10:00 | 02:46:00.000 | -46:51:18.40 | Correction to ATEL #2440: Fermi LAT detection of a GeV flare from PKS 0244-47 | Gamma Ray, >GeV, AGN, Quasar | L.Escande (CNRS/IN2P3 Bordeaux), D.Gasparrini (ASDC) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2408 | 2010-01-28 22:34:00 | 23:45:12.462 | -15:55:07.83 | Fermi LAT detection of a GeV flare from blazar PMN J2345-1555 | Gamma Ray, >GeV, AGN, Quasar | S. Ciprini (Perugia Univ. / ASI-INAF, Italy), on behalf of the Fermi Large Area Telescope Collaboration | |
| 3579 | 2011-08-24 13:43:00 | 15:32:45.375 | -13:19:10.09 | Fermi LAT detection of a possible new extragalactic gamma-ray source in the vicinity of TXS 1530-131 (PMN J1532-1319) | Gamma Ray, >GeV, AGN, Quasar | D. Gasparrini (ASDC/INAF) and S. Cutini (ASDC/INAF) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1701 | 2008-09-05 22:38:00 | 14:57:26.712 | -35:39:09.97 | Fermi LAT detection of a possible new gamma-ray flaring blazar: PKS 1454-354 | Gamma Ray, >GeV, AGN, Quasar | M. Marelli (INAF/IASF Milano) | |
| 1650 | 2008-08-08 00:02:00 | 15:04:24.980 | +10:29:39.20 | GLAST LAT detection of a possible new gamma-ray flaring blazar: PKS 1502+106 | Gamma Ray, >GeV, AGN, Quasar | S. Ciprini (Univ./INFN Perugia) on behalf of the GLAST Large Area Telescope Collaboration | |
| 1743 | 2008-09-26 01:09:00 | 15:12:50.533 | -09:05:59.83 | Fermi LAT observations of the PKS 1510-089 outburst. | Gamma Ray, >GeV, AGN, Quasar | Andrea Tramacere (CIFS Torino/SLAC Stanford) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1759 | 2008-10-03 22:42:00 | 02:10:46.200 | -51:01:01.89 | Fermi LAT detections of gamma ray activity in three blazars: 3C 66A, PKS 0208-512, PKS 0537-441 | Gamma Ray, >GeV, AGN, Quasar | G. Tosti (INFN/University Perugia) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1759 | 2008-10-03 22:42:00 | 02:22:39.611 | +43:02:07.80 | Fermi LAT detections of gamma ray activity in three blazars: 3C 66A, PKS 0208-512, PKS 0537-441 | Gamma Ray, >GeV, AGN, Quasar | G. Tosti (INFN/University Perugia) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1759 | 2008-10-03 22:42:00 | 05:38:50.361 | -44:05:08.93 | Fermi LAT detections of gamma ray activity in three blazars: 3C 66A, PKS 0208-512, PKS 0537-441 | Gamma Ray, >GeV, AGN, Quasar | G. Tosti (INFN/University Perugia) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1707 | 2008-09-08 22:12:00 | 12:29:06.700 | +02:03:08.60 | Fermi LAT detection of 3C 273 in flaring state | Gamma Ray, >GeV, AGN, Quasar | M. Marelli (INAF/IASF Milano) on behalf of the Fermi Large Area Telescope Collaboration | |
| 1897 | 2009-01-09 19:51:00 | 15:12:50.533 | -09:05:59.83 | Fermi-LAT detection of another rapid GeV flare from the blazar PKS 1510-089 | Gamma Ray, >GeV, AGN, Quasar, Transient | S. Ciprini (Univ. Perugia & INFN Perugia), S. Corbel (CEA Saclay); on behalf of the Fermi Large Area Telescope Collaboration | |
| 1898 | 2009-01-12 08:18:00 | 04:57:03.200 | -23:24:52.00 | Fermi LAT detection of increasing gamma-ray activity of blazar PKS 0454-234 | Gamma Ray, >GeV, AGN, Quasar, Transient | E. Cavazzuti (ASI Science Data Center), E. Hays (NASA/GSFC); on behalf of the Fermi Large Area Telescope Collaboration | |
| 2440 | 2010-02-15 20:24:00 | 02:44:13.460 | -47:03:51.90 | Fermi LAT detection of a GeV flare from PKS 0244-47 | Gamma Ray, >GeV, AGN, Quasar, Transient | L.Escande (CNRS/IN2P3 Bordeaux), D.Gasparrini (ASDC) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2583 | 2010-04-23 18:15:00 | 14:27:56.300 | -42:06:19.40 | Fermi LAT detection of a GeV flare from blazar PKS 1424-41 | Gamma Ray, >GeV, AGN, Transient | D. Donato (NASA/GSFC), on behalf of the Fermi Large Area Telescope Collaboration | |
| 2539 | 2010-04-06 22:35:00 | 21:47:12.730 | -75:36:13.22 | Fermi LAT detection of a GeV flare from PKS 2142-75 | Gamma Ray, >GeV, AGN, Transient | Eric Wallace (University of Washington, Seattle), on behalf of the Fermi LAT Collaboration | |
| 2021 | 2009-04-17 22:29:00 | 12:24:54.400 | +21:22:46.00 | Fermi LAT detection of increasing gamma-ray activity of blazar PKS 1222+216 | Gamma Ray, >GeV, AGN, Transient | F. Longo (INFN Trieste), M.Giroletti (INAF/IRA Bologna), G.Iafrate (INAF/OA Trieste); on behalf of the Fermi Large Area Telescope Collaboration | |
| 3333 | 2011-05-09 22:19:00 | 16:35:15.493 | +38:08:04.50 | Fermi LAT detection of a GeV flare from quasar 4C +38.41 | Gamma Ray, >GeV, AGN, Transient | A. Szostek (Stanford/SLAC), on behalf of the Fermi Large Area Telescope Collaboration | |
| 3338 | 2011-05-11 16:41:00 | 02:10:46.200 | -51:01:01.89 | Fermi LAT detection of gamma ray activity from blazar PKS 0208-512 | Gamma Ray, >GeV, AGN, Transient | A. Szostek (Stanford/SLAC), on behalf of the Fermi Large Area Telescope Collaboration | |
| 5394 | 2013-09-15 21:32:00 | 01:08:38.800 | +01:34:60.00 | Fermi LAT detection of a GeV flare from 4C +01.02 | Gamma Ray, >GeV, AGN, Transient | S. Buson (INFN and University of Padova) on behalf of the Fermi Large Area Telescope Collaboration | |
| 4028 | 2012-04-10 20:24:00 | 22:02:43.291 | +42:16:39.98 | Fermi-LAT detection of increasing of gamma-ray activity of BL Lacertae | Gamma Ray, >GeV, Blazar | S. Cutini (ASI Science Data Center) on behalf of Fermi-LAT Collaboration | |
| 3329 | 2011-05-08 02:08:00 | 14:27:56.300 | -42:06:19.40 | Fermi LAT detection of a new GeV flare from blazar PKS 1424-41 | Gamma Ray, >GeV, Blazar, Transient | A. Szostek (Stanford/KIPAC), on behalf of the Fermi Large Area Telescope Collaboration | |
| 2954 | 2010-10-19 18:03:00 | 08:48:22.090 | +32:19:02.60 | Fermi LAT detection of a GeV flare from CGRaBS J1848+3219 | Gamma Ray, >GeV, Blazar, Transient | D. Donato (NASA/GSFC), S. Ciprini (Perugia Univ. / ASI-INAF, Italy), C.C. Cheung (NRC, resident at NRL), on behalf of the Fermi LAT Collaboration | |
| 3313 | 2011-04-28 17:20:00 | 11:52:32.871 | +49:39:38.77 | Fermi LAT detection of a GeV flare from an unidentified source coincident with two FSRQs | Gamma Ray, >GeV, Blazar, Transient | E. Hays and D. Donato (NASA/GSFC) on behalf of the Fermi LAT Collaboration | |
| 3313 | 2011-04-28 17:20:00 | 11:53:24.467 | +49:31:08.83 | Fermi LAT detection of a GeV flare from an unidentified source coincident with two FSRQs | Gamma Ray, >GeV, Blazar, Transient | E. Hays and D. Donato (NASA/GSFC) on behalf of the Fermi LAT Collaboration | |
| 3322 | 2011-05-04 04:11:00 | 18:00:45.700 | +78:28:04.00 | Fermi LAT detection of a GeV flare from blazar S5 1803+78 | Gamma Ray, >GeV, Blazar, Transient | Luis C. Reyes (KICP - The University of Chicago) on behalf of the Fermi LAT Collaboration | |
| 11419 | 2018-03-14 20:16:00 | 05:09:25.964 | +05:41:35.33 | Fermi-LAT detection of enhanced gamma-ray activity and hard spectrum of TXS 0506+056, located inside the IceCube-170922A error region | Gamma Ray, >GeV, Neutrinos, AGN, Blazar | Roopesh Ojha (NASA/GSFC/UMBC), and Janeth Valverde (LLR/Ecole Polytechnique) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2683 | 2010-06-18 21:52:00 | 05:22:57.985 | -36:27:30.85 | Fermi LAT further detection of a GeV flare from low redshift source PKS 0521-36 | Gamma Ray, >GeV, Request for Observations, AGN | G. Iafrate (INAF - OATs, Trieste), F. Longo (INFN Trieste), F. D'Ammando (INAF - IASF Palermo) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2217 | 2009-09-26 21:05:00 | 13:45:33.200 | +44:52:60.00 | Fermi LAT detection of a GeV flare from the high redshift blazar B3 1343+451 | Gamma Ray, >GeV, Request for Observations, AGN | Rolf Buehler (SLAC) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2101 | 2009-06-27 20:17:00 | 23:31:04.030 | -21:48:15.30 | Fermi LAT detection of a GeV flare from PMN J2331-2148 | Gamma Ray, >GeV, Request for Observations, AGN | F. Longo (INFN Trieste) and G.Iafrate (INAF/OA Trieste) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2104 | 2009-06-30 22:17:00 | 14:27:56.300 | -42:06:19.40 | Fermi LAT detection of increasing gamma-ray activity of blazar PKS 1424-418 | Gamma Ray, >GeV, Request for Observations, AGN | F.Longo (INFN Trieste), G.Iafrate (INAF/OA Trieste), E.Hays (NASA GSFC) and M.Marelli (INAF/IASF Milano) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2110 | 2009-07-05 06:05:00 | 07:13:55.700 | +19:34:60.00 | Fermi LAT detection of a GeV flare from MG2 J071354+1934 | Gamma Ray, >GeV, Request for Observations, AGN | E. Hays (NASA GSFC) and M. Marelli (INAF/IASF Milano) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2168 | 2009-08-20 20:36:00 | 12:29:06.700 | +02:03:08.60 | Fermi LAT detection of a GeV flare from 3C 273 | Gamma Ray, >GeV, Request for Observations, AGN | D. Bastieri (INFN/University Padova) on behalf of the Fermi Large Area Telescope Collaboration | |
| 2486 | 2010-03-17 17:27:00 | 06:48:49.700 | +15:16:22.00 | VERITAS Discovery of Very High-Energy Gamma-Ray Emission from 1FGL J0648.8+1516 | Gamma Ray, >GeV, Request for Observations, AGN | Rene A Ong (UCLA) for the VERITAS Collaboration; David Paneque (SLAC/KIPAC) on behalf of the Fermi Large Area Telescope (LAT) Collaboration | |
| 2293 | 2009-11-12 16:38:00 | 04:16:52.410 | +01:05:24.30 | H.E.S.S. and Fermi-LAT discovery of VHE and HE emission from blazar 1ES 0414+009 | Gamma Ray, >GeV, Request for Observations, AGN | W. Hofmann (MPIK) on behalf of the H.E.S.S. collaboration, S. Fegan (LLR) on behalf of the Fermi-LAT collaboration | |
| 2272 | 2009-10-29 18:42:00 | 03:19:51.800 | +18:45:34.00 | Discovery of High-Energy Gamma-Ray Emission from the BL Lac Object RBS 0413 | Gamma Ray, >GeV, Request for Observations, AGN | Rene A. Ong (UCLA), on behalf of the VERITAS Collaboration; Pascal Fortin (LLR), on behalf of the Fermi Large Area Telescope Collaboration | |
| 2486 | 2010-03-17 17:27:00 | 06:48:47.600 | +15:16:25.00 | VERITAS Discovery of Very High-Energy Gamma-Ray Emission from 1FGL J0648.8+1516 | Gamma Ray, >GeV, Request for Observations, AGN | Rene A Ong (UCLA) for the VERITAS Collaboration; David Paneque (SLAC/KIPAC) on behalf of the Fermi Large Area Telescope (LAT) Collaboration | |
| 3487 | 2011-07-15 13:42:00 | 07:21:53.448 | +71:20:36.36 | Fermi LAT detection of increased gamma-ray activity from blazar S5 0716+71 | Gamma Ray, >GeV, Request for Observations, AGN, Black Hole, Blazar | A. Cannon (University College Dublin, GSFC) on behalf of the Fermi Large Area Telescope Collaboration | |
| 4694 | 2013-01-02 08:34:00 | 09:48:57.320 | +00:22:25.56 | Fermi-LAT detection of a new gamma-ray flare from the NLSy1 PMN J0948+0022 | Gamma Ray, >GeV, Request for Observations, AGN, Black Hole, Blazar | F. D'Ammando (Univ. Perugia, INFN) and M. Orienti (INAF-IRA Bologna, Univ. Bologna) on behalf of the Fermi Large Area Telescope Collaboration | |
| 4261 | 2012-07-17 20:45:00 | 11:04:27.314 | +38:12:31.80 | Fermi LAT detection of a GeV flare from the BL Lac object Mrk 421 | Gamma Ray, >GeV, Request for Observations, AGN, Black Hole, Blazar | F. D'Ammando (Dip. Fisica, Univ. Perugia and INFN), M. Orienti (Univ. Bologna, INAF-IRA Bologna) on behalf of the Fermi Large Area Telescope Collaboration | |
| 3394 | 2011-06-01 16:52:00 | 11:23:19.480 | -64:17:35.70 | Fermi-LAT detection of a gamma-ray flare from the likely AGN PMN J1123-6417 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | F. D'Ammando (INAF-IASF Palermo and CIFS) on behalf of the Fermi Large Area Telescope Collaboration | |
| 3429 | 2011-06-12 21:53:00 | 09:48:57.320 | +00:22:25.56 | Fermi LAT detection of a new GeV flare from the radio-loud Narrow-Line Sy1 PMN J0948+0022 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | F. D'Ammando (INAF-IASF Palermo and CIFS), S. Ciprini (ASI Science Data Center, & INAF Roma Observatory, Italy) on behalf of the Fermi Large Area Telescope Collaboration | |
| 3680 | 2011-10-12 07:46:00 | 08:54:48.874 | +20:06:30.64 | Fermi LAT detection of increasing gamma-ray activity of blazar OJ 287 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | L. Escande (CENBG) & F.K. Schinzel (MPIfR), on behalf of the Fermi Large Area Telescope Collaboration | |
| 3878 | 2012-01-23 22:54:00 | 06:48:14.096 | -30:44:19.66 | Fermi LAT detection of a possible new extragalactic gamma-ray source in the vicinity of PKS 0646-306 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | D. Gasparrini (ASDC/INAF) and S. Ciprini (ASDC/INAF) on behalf of the Fermi Large Area Telescope Collaboration | |
| 6327 | 2014-07-19 17:52:00 | 16:26:06.021 | -29:51:26.97 | Fermi LAT detection of a GeV flare from PKS 1622-29 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | S. Buson (INFN & Univ. of Padova) on behalf of the Fermi LAT Collaboration | |
| 6148 | 2014-05-20 09:05:00 | 21:58:52.065 | -30:13:32.12 | Fermi-LAT observation of increased gamma-ray activity from PKS 2155-304 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | S. Cutini (ASDC/INAF), on behalf of the Fermi-LAT collaboration | |
| 4755 | 2013-01-23 00:15:00 | 21:58:52.065 | -30:13:32.12 | Fermi-LAT observation of increased gamma-ray activity from PKS 2155-304 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | Sara Cutini (ASI ASDC & INAF OAR, Rome), on behalf of the Fermi Large Area Telescope Collaboration | |
| 9779 | 2016-11-22 04:38:00 | 05:10:02.369 | +18:00:41.58 | Hard-spectrum gamma-ray flare from PKS 0507+17 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar | M. Kreter (University of Wurzburg) and S. Buson (NASA-GSFC) on behalf of the Fermi-LAT collaboration | |
| 3948 | 2012-03-01 22:20:00 | 22:58:05.963 | -27:58:21.56 | Fermi LAT detection of increased gamma-ray activity from the FSRQ PKS 2255-282 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar, Quasar | Michael Dutka (Catholic U), Filippo D`Ammando (INAF-IRA Bologna) and Roopesh Ojha (NASA/GSFC) on behalf of the Fermi Large Area Telescope Collaboration | |
| 3808 | 2011-12-16 08:51:00 | 21:26:30.704 | -46:05:47.89 | Fermi LAT detection of a gamma-ray flare from the high-redshift blazar PKS 2123-463 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar, Quasar | M. Orienti (Univ. Bologna; INAF-IRA Bologna), F. D'Ammando (INAF-IRA Bologna) on behalf of the Fermi Large Area Telescope Collaboration | |
| 3703 | 2011-10-23 23:59:00 | 04:57:03.179 | -23:24:52.02 | Sustained and increasing gamma-ray activity of the blazar PKS 0454-234 | Gamma Ray, >GeV, Request for Observations, AGN, Blazar, Quasar | F. Hungwe (Rhodes U, HartRAO), M. Dutka (Catholic U), R. Ojha (NASA/GSFC), L. Escande (CENBG), & F.K. Schinzel (MPIfR), on behalf of the Fermi Large Area Telescope Collaboration |