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Showing results 12951 to 13000 out of 13841

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Atel IDsort descendingAtel Date (UT)Coords X-RefsRADECTitleKeywordsAuthors
22132009-09-24 17:51:0000:42:41.220+41:17:01.30Spectroscopic confirmation of nova 2009-08e and brightness estimates of nova candidate 2009-08c in M31Optical, Cataclysmic Variable, NovaA. 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
22132009-09-24 17:51:0000:42:36.160+41:18:02.40Spectroscopic confirmation of nova 2009-08e and brightness estimates of nova candidate 2009-08c in M31Optical, Cataclysmic Variable, NovaA. 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
22102009-09-23 20:29:0023:09:38.040+37:07:15.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0023:08:30.350+25:41:41.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0023:02:41.050-09:59:54.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0022:34:18.480-03:55:30.10Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0022:31:35.990+18:07:47.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0022:13:44.040+17:32:52.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0022:12:31.990+16:01:40.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0021:15:50.870-00:07:15.80Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0020:54:08.160-19:40:26.50Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0017:40:34.320+18:42:49.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0017:33:07.890+30:06:35.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0017:29:00.940+16:01:08.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0017:23:41.930+30:29:50.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0017:07:02.460+16:53:39.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0015:54:52.480+32:05:06.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0005:27:46.410-13:52:56.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0003:55:33.920+29:21:50.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0002:33:02.640+18:48:22.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0002:26:32.330+21:06:54.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0002:20:47.270-14:48:23.40Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0001:31:18.530+20:40:08.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0001:17:48.270+01:13:03.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0001:02:43.630-19:27:45.40Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0000:29:56.040-04:34:50.70Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22102009-09-23 20:29:0000:15:38.260+26:36:57.00Recent Optical Transients from CRTSOptical, Request for Observations, Cataclysmic Variable, Supernovae, TransientA.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)
22082009-09-22 23:46:0000:42:58.060+41:17:29.80Spectroscopy of nova 2009-08a in M31 in rebrighteningOptical, Cataclysmic Variable, NovaA. 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)
22052009-09-20 15:09:0000:42:26.080+41:04:01.00Spectroscopic confirmation of nova 2009-09a in M31Optical, Cataclysmic Variable, NovaE. 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)
22032009-09-19 13:40:0019:24:38.280+59:41:46.70An Outburst of Am CVn type system KL DraOptical, Request for Observations, Cataclysmic Variable, Nova, VariablesT. Barclay (Armagh Observatory/MSSL-UCL), G. Ramsay (Armagh Observatory), D. Steeghs (Warwick)
22012009-09-17 18:00:0022:53:58.180+16:09:06.90Optical behavior of 3C 454.3 in the current flaring stateOptical, AGN, QuasarM. Sasada, M. Uemura, Y. Ikejiri, R. Itoh, M. Yamanaka, A. Arai (Hiroshima University), on behalf of the KANATA team
22002009-09-17 03:08:0022:53:57.748+16:08:53.56Fermi LAT detection of GeV flares from 3C454.3 and 3C273Gamma Ray, >GeV, Request for Observations, AGN, QuasarA. B. Hill (LAOG); on behalf of the Fermi Large Area Telescope Collaboration
22002009-09-17 03:08:0012:29:06.700+02:03:08.60Fermi LAT detection of GeV flares from 3C454.3 and 3C273Gamma Ray, >GeV, Request for Observations, AGN, QuasarA. B. Hill (LAOG); on behalf of the Fermi Large Area Telescope Collaboration
21982009-09-14 12:37:0017:51:09.000-30:57:40.00Swift follow-up of the newly discovered burster millisecond pulsar IGR J17511-3057X-ray, Neutron Star, TransientE. 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)
21892009-09-04 16:51:0000:42:26.080+41:04:01.00Constraining the time of outburst of an optical nova candidate in M 31Optical, NovaM. 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)
21882009-09-03 15:41:0016:44:38.150-55:50:45.93Swift follow-up of the new integral source IGRJ16442-554X-ray, Gamma Ray, TransientE. Bozzo (ISDC), C. Ferrigno (ISDC/IAAT), A. Manousakis (ISDC), M. Del Santo (INAF/IASF-Roma)
21872009-09-02 23:12:0003:32:07.220+47:47:39.70Optical Spectroscopy and Progenitor Identification of the Low-Luminosity Transient in UGC2773Supernovae, TransientE. Berger and R. Foley (Harvard)
21792009-08-30 00:02:0020:25:40.630-07:35:52.70CRTS detection of optical outburst of PKS 2023-07Optical, >GeV, Request for Observations, TransientA.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);
21762009-08-27 14:27:0000:42:36.230+41:18:01.60Optical Nova Candidate in M31Optical, NovaE. Ovcharov (SU, Sofia), A. Valcheva (SU, Sofia), Ts. Georgiev (IA, Sofia), A. Kostov (IA, Sofia), Y. Nikolov (IA, Sofia), P. Nedialkov (SU, Sofia)
21742009-08-25 12:48:0021:46:30.103+06:25:09.203 New Supernova Discoveries/ClassificationsOptical, Request for ObservationsPeter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT)
21742009-08-25 12:48:0017:23:41.804+30:29:49.503 New Supernova Discoveries/ClassificationsOptical, Request for ObservationsPeter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT)
21742009-08-25 12:48:0015:19:24.432+49:29:56.403 New Supernova Discoveries/ClassificationsOptical, Request for ObservationsPeter Nugent (Lawrence Berkeley National Laboratory), Mark Sullivan (University of Oxford) & D. Andrew Howell (LCOGT)
21712009-08-21 21:28:0000:42:46.760+41:15:37.30Optical Spectroscopy of a Recent Nova in M31Optical, NovaF. 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)
21692009-08-21 16:50:0004:18:34.000+57:32:23.50Optical observations of the field containing SGR 0418+5729Optical, Binary, Neutron Star, Soft Gamma-ray Repeater, PulsarE.Ratti (SRON), D.Steeghs (Warwick), P.G.Jonker (SRON/Utrecht)
21682009-08-20 20:36:0012:29:06.700+02:03:08.60Fermi LAT detection of a GeV flare from 3C 273Gamma Ray, >GeV, Request for Observations, AGND. Bastieri (INFN/University Padova) on behalf of the Fermi Large Area Telescope Collaboration
21662009-08-19 16:15:0000:44:09.910+41:48:51.00Confirmation of nova M31 2009-08dOptical, NovaP. 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)
21652009-08-18 21:34:0000:42:46.760+41:15:37.30Confirmation of two recent optical nova candidates in M 31Optical, NovaM. 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)
21652009-08-18 21:34:0000:42:41.220+41:17:01.30Confirmation of two recent optical nova candidates in M 31Optical, NovaM. 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)
21602009-08-15 00:30:0020:56:16.300-47:14:47.60Fermi LAT detection of increasing gamma-ray activity of blazar PKS 2052-474Gamma Ray, >GeV, TransientC. S. Chang (MPIfR), on behalf of the Fermi Large Area Telescope Collaboration
21592009-08-14 19:05:0004:18:33.867+57:32:22.91Chandra Location of SGR 0418+5729X-ray, Neutron Star, Soft Gamma-ray Repeater, Transient, PulsarPeter M. Woods (Dynetics), Stefanie Wachter (IPAC/Caltech), Ersin Gogus (Sabanci Univ.) & Chryssa Kouveliotou (NASA/MSFC) report on behalf of a larger collaboration:

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