Showing results 12951 to 13000 out of 13841
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| Atel ID | Atel Date (UT) | Coords X-Refs | RA | DEC | Title | Keywords | Authors |
|---|---|---|---|---|---|---|---|
| 2213 | 2009-09-24 17:51:00 | 00:42:41.220 | +41:17:01.30 | Spectroscopic confirmation of nova 2009-08e and brightness estimates of nova candidate 2009-08c in M31 | Optical, Cataclysmic Variable, Nova | A. Medvedev (Sternberg Institute, Moscow), E. Barsukova, A. Valeev, O. Sholukhova, V. Vlasyuk (Special Astrophysical Observatory, Russia), K. Hornoch, P. Kusnirak (Astronomical Institute, Ondrejov, Czech Republic), W. Pietsch (MPE, Germany), S. Fabrika (Special Astrophysical Observatory, Russia | |
| 2213 | 2009-09-24 17:51:00 | 00:42:36.160 | +41:18:02.40 | Spectroscopic confirmation of nova 2009-08e and brightness estimates of nova candidate 2009-08c in M31 | Optical, Cataclysmic Variable, Nova | A. Medvedev (Sternberg Institute, Moscow), E. Barsukova, A. Valeev, O. Sholukhova, V. Vlasyuk (Special Astrophysical Observatory, Russia), K. Hornoch, P. Kusnirak (Astronomical Institute, Ondrejov, Czech Republic), W. Pietsch (MPE, Germany), S. Fabrika (Special Astrophysical Observatory, Russia | |
| 2210 | 2009-09-23 20:29:00 | 23:09:38.040 | +37:07:15.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 23:08:30.350 | +25:41:41.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 23:02:41.050 | -09:59:54.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 22:34:18.480 | -03:55:30.10 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 22:31:35.990 | +18:07:47.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 22:13:44.040 | +17:32:52.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 22:12:31.990 | +16:01:40.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 21:15:50.870 | -00:07:15.80 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 20:54:08.160 | -19:40:26.50 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 17:40:34.320 | +18:42:49.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 17:33:07.890 | +30:06:35.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 17:29:00.940 | +16:01:08.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 17:23:41.930 | +30:29:50.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 17:07:02.460 | +16:53:39.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 15:54:52.480 | +32:05:06.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 05:27:46.410 | -13:52:56.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 03:55:33.920 | +29:21:50.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 02:33:02.640 | +18:48:22.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 02:26:32.330 | +21:06:54.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 02:20:47.270 | -14:48:23.40 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 01:31:18.530 | +20:40:08.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 01:17:48.270 | +01:13:03.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 01:02:43.630 | -19:27:45.40 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 00:29:56.040 | -04:34:50.70 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2210 | 2009-09-23 20:29:00 | 00:15:38.260 | +26:36:57.00 | Recent Optical Transients from CRTS | Optical, Request for Observations, Cataclysmic Variable, Supernovae, Transient | A.J. Drake, S.G. Djorgovski, A. Mahabal, R. Williams, M.J. Graham (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory) | |
| 2208 | 2009-09-22 23:46:00 | 00:42:58.060 | +41:17:29.80 | Spectroscopy of nova 2009-08a in M31 in rebrightening | Optical, Cataclysmic Variable, Nova | A. Valeev, E. Barsukova, O. Sholukhova (Special Astrophysical Observatory, Russia), A. Medvedev (Sternberg Institute, Moscow), K. Hornoch, P. Kusnirak (Astronomical Institute, Ondrejov, Czech Republic), W. Pietsch (MPE, Germany), S. Fabrika (Special Astrophysical Observatory, Russia) | |
| 2205 | 2009-09-20 15:09:00 | 00:42:26.080 | +41:04:01.00 | Spectroscopic confirmation of nova 2009-09a in M31 | Optical, Cataclysmic Variable, Nova | E. Barsukova, A. Valeev, O. Sholukhova (Special Astrophysical Observatory, Russia), A. Medvedev (Sternberg Institute, Moscow), K. Hornoch (Ondrejov Observatory, Czech Republic), W. Pietsch (MPE, Germany), S. Fabrika (Special Astrophysical Observatory, Russia) | |
| 2203 | 2009-09-19 13:40:00 | 19:24:38.280 | +59:41:46.70 | An Outburst of Am CVn type system KL Dra | Optical, Request for Observations, Cataclysmic Variable, Nova, Variables | T. Barclay (Armagh Observatory/MSSL-UCL), G. Ramsay (Armagh Observatory), D. Steeghs (Warwick) | |
| 2201 | 2009-09-17 18:00:00 | 22:53:58.180 | +16:09:06.90 | Optical behavior of 3C 454.3 in the current flaring state | Optical, AGN, Quasar | M. Sasada, M. Uemura, Y. Ikejiri, R. Itoh, M. Yamanaka, A. Arai (Hiroshima University), on behalf of the KANATA team | |
| 2200 | 2009-09-17 03:08:00 | 22:53:57.748 | +16:08:53.56 | Fermi LAT detection of GeV flares from 3C454.3 and 3C273 | Gamma Ray, >GeV, Request for Observations, AGN, Quasar | A. B. Hill (LAOG); on behalf of the Fermi Large Area Telescope Collaboration | |
| 2200 | 2009-09-17 03:08:00 | 12:29:06.700 | +02:03:08.60 | Fermi LAT detection of GeV flares from 3C454.3 and 3C273 | Gamma Ray, >GeV, Request for Observations, AGN, Quasar | A. B. Hill (LAOG); on behalf of the Fermi Large Area Telescope Collaboration | |
| 2198 | 2009-09-14 12:37:00 | 17:51:09.000 | -30:57:40.00 | Swift follow-up of the newly discovered burster millisecond pulsar IGR J17511-3057 | X-ray, Neutron Star, Transient | E. Bozzo (ISDC), C. Ferrigno (ISDC/IAAT), E. Kuulkers (ESA/ESAC, Spain), M. Falanga (ISSI Bern), J. Chenevez, S. Brandt (National Space Institute, Denmark), V. Beckmann (APC, France), A. Bird (Southampton, UK), A. Domingo (LAEFF/INTA, Spain), K. Ebisawa (ISAS, Japan), P. Jonker (SRON, The Netherlands), P. Kretschmar (ESA/ESAC, Spain), C. Markwardt (GSFC, USA), T.Oosterbroek (ESA/ESTEC, The Netherlands), A. Paizis (INAF-IASF, Italy), D. Risquez (LAEFF/INTA, Spain), C. Sanchez-Fernandez (ESA/ESAC, Spain), S. Shaw (Southampton, UK), R. Wijnands (UvA, The Netherlands) | |
| 2189 | 2009-09-04 16:51:00 | 00:42:26.080 | +41:04:01.00 | Constraining the time of outburst of an optical nova candidate in M 31 | Optical, Nova | M. Henze, F. Kaduk, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Liakos (Dept. Physics, University of Athens), D. Hatzidimitriou (Dept. of Physics, University of Crete), P. Niarchos (Dept. Physics, University of Athens) | |
| 2188 | 2009-09-03 15:41:00 | 16:44:38.150 | -55:50:45.93 | Swift follow-up of the new integral source IGRJ16442-554 | X-ray, Gamma Ray, Transient | E. Bozzo (ISDC), C. Ferrigno (ISDC/IAAT), A. Manousakis (ISDC), M. Del Santo (INAF/IASF-Roma) | |
| 2187 | 2009-09-02 23:12:00 | 03:32:07.220 | +47:47:39.70 | Optical Spectroscopy and Progenitor Identification of the Low-Luminosity Transient in UGC2773 | Supernovae, Transient | E. Berger and R. Foley (Harvard) | |
| 2179 | 2009-08-30 00:02:00 | 20:25:40.630 | -07:35:52.70 | CRTS detection of optical outburst of PKS 2023-07 | Optical, >GeV, Request for Observations, Transient | A.A. Mahabal, S.G. Djorgovski, A.J. Drake, M.J. Graham, R. Williams (Caltech); M. Catelan (PUC); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory); | |
| 2176 | 2009-08-27 14:27:00 | 00:42:36.230 | +41:18:01.60 | Optical Nova Candidate in M31 | Optical, Nova | E. Ovcharov (SU, Sofia), A. Valcheva (SU, Sofia), Ts. Georgiev (IA, Sofia), A. Kostov (IA, Sofia), Y. Nikolov (IA, Sofia), P. Nedialkov (SU, Sofia) | |
| 2174 | 2009-08-25 12:48:00 | 21:46:30.103 | +06:25:09.20 | 3 New Supernova Discoveries/Classifications | Optical, Request for Observations | Peter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT) | |
| 2174 | 2009-08-25 12:48:00 | 17:23:41.804 | +30:29:49.50 | 3 New Supernova Discoveries/Classifications | Optical, Request for Observations | Peter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT) | |
| 2174 | 2009-08-25 12:48:00 | 15:19:24.432 | +49:29:56.40 | 3 New Supernova Discoveries/Classifications | Optical, Request for Observations | Peter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT) | |
| 2171 | 2009-08-21 21:28:00 | 00:42:46.760 | +41:15:37.30 | Optical Spectroscopy of a Recent Nova in M31 | Optical, Nova | F. Di Mille (Observatories of the Carnegie Institution of Washington / Anglo Australian Observatory), S.Ciroi (Padova University), H. Navasardyan (INAF Padova), M. Orio (INAF Padova, Uni. of Wisconsin), P. Rafanelli and A. Bianchini (Padova University) | |
| 2169 | 2009-08-21 16:50:00 | 04:18:34.000 | +57:32:23.50 | Optical observations of the field containing SGR 0418+5729 | Optical, Binary, Neutron Star, Soft Gamma-ray Repeater, Pulsar | E.Ratti (SRON), D.Steeghs (Warwick), P.G.Jonker (SRON/Utrecht) | |
| 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 | |
| 2166 | 2009-08-19 16:15:00 | 00:44:09.910 | +41:48:51.00 | Confirmation of nova M31 2009-08d | Optical, Nova | P. Rodrguez-Gil (ING, La Palma, Spain; IAC, Tenerife, Spain; Departamento de Astrofsica, Universidad de La Laguna, Tenerife), R. Ferrando (Observatorio Astronmico de Segorbe, Spain), D Rodrguez (M-1 Group, Spain), M. F. Bode (Liverpool JMU, UK), A. Huxor (Bristol, UK), P. Giles (Bristol, UK), D. Mackey (Edinburgh, UK) | |
| 2165 | 2009-08-18 21:34:00 | 00:42:46.760 | +41:15:37.30 | Confirmation of two recent optical nova candidates in M 31 | Optical, Nova | M. Henze, F. Kaduk, V. Burwitz, W. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), G. Papamastorakis, P. Reig (FORTH & Dept. of Physics, University of Crete), A. Strigachev (Inst. of Astronomy, Bulgarian Academy of Sciences) | |
| 2165 | 2009-08-18 21:34:00 | 00:42:41.220 | +41:17:01.30 | Confirmation of two recent optical nova candidates in M 31 | Optical, Nova | M. Henze, F. Kaduk, V. Burwitz, W. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), G. Papamastorakis, P. Reig (FORTH & Dept. of Physics, University of Crete), A. Strigachev (Inst. of Astronomy, Bulgarian Academy of Sciences) | |
| 2160 | 2009-08-15 00:30:00 | 20:56:16.300 | -47:14:47.60 | Fermi LAT detection of increasing gamma-ray activity of blazar PKS 2052-474 | Gamma Ray, >GeV, Transient | C. S. Chang (MPIfR), on behalf of the Fermi Large Area Telescope Collaboration | |
| 2159 | 2009-08-14 19:05:00 | 04:18:33.867 | +57:32:22.91 | Chandra Location of SGR 0418+5729 | X-ray, Neutron Star, Soft Gamma-ray Repeater, Transient, Pulsar | Peter M. Woods (Dynetics), Stefanie Wachter (IPAC/Caltech), Ersin Gogus (Sabanci Univ.) & Chryssa Kouveliotou (NASA/MSFC) report on behalf of a larger collaboration: |
