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Showing results 451 to 500 out of 13841

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Atel IDsort descendingAtel Date (UT)Coords X-RefsRADECTitleKeywordsAuthors
15842008-06-20 23:30:0020:18:38.900+40:40:58.50VLA Observations of the AGILE Cygnus Region Source Field Following its May 2008 Re-brightening in Gamma-raysRadio, Gamma Ray, >GeV, AGN, Binary, TransientC.C. Cheung (NASA GSFC)
15902008-06-25 18:10:0013:00:14.310+27:57:16.40Discovery of supernova candidate ROTSE3 J130014.3+275716Optical, Nova, Supernovae, TransientD. Chamarro, A. Uecker, F. Yuan, M.D. Sisson, C. Akerlof, T. Mckay (U. Mich.), R. Quimby (Caltech) and J.C. Wheeler (U. Texas) on behalf of the ROTSE collaboration
15972008-07-02 10:38:0020:18:38.735+40:40:59.98VLBI observations of the radio counterpart of IGR J20187+4041/2MASX J20183871+4041003 in the error box of the gamma-ray source AGL2021+4029/3EG J2020+4017Radio, X-ray, Gamma Ray, >GeV, AGN, Binary, TransientA. Trejo (CRyA-UNAM, Mexico), E. Giacani (IAFE, Argentina), Z. Paragi (JIVE, Netherlands), H. J. Langevelde (JIVE, Leiden Univ., Netherlands), G. Dubner (IAFE, Argentina), A. M. Bykov (Ioffe Inst., Russia)
16012008-07-03 15:42:0017:35:23.740-35:40:16.60Possible near-infrared counterpart to the Galactic transient 1RXH J173523.7-354013Infra-Red, Request for Observations, Binary, Neutron Star, TransientE. M. Cackett (Michigan), R. Wijnands (Amsterdam), M. Reynolds (Michigan)
16022008-07-04 12:18:0000:42:27.800+41:14:48.00Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:42:34.200+41:16:44.30Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:42:37.690+41:12:30.20Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:42:52.880+41:16:39.40Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:42:56.820+41:11:52.80Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:43:08.300+41:18:38.00Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:43:12.070+41:19:16.10Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16022008-07-04 12:18:0000:44:01.770+41:04:23.70Confirmation of a recent optical nova candidate in M 31 and H-alpha identification of seven M 31 novaeOptical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16042008-07-06 08:45:0014:22:05.770+33:45:46.10Catalina/Palomar Optical TransientOptical, Supernovae, TransientA. Mahabal, A.J. Drake, S.G. Djorgovski, R. Williams, M.J. Graham (Caltech); E.C. Beshore, S.M. Larson (LPL/UA); E. Christensen (Gemini Observatory)
16092008-07-08 16:15:0000:42:34.420+41:18:15.70New optical nova candidate in M 31Optical, NovaM. Henze, W. Pietsch, V. Burwitz (Max-Planck-Institut fuer extraterrestrische Physik, MPE), D. Hatzidimitriou, P. Reig, N. Primak, G. Papamastorakis (University of Crete), A. Updike, D.H. Hartmann (Clemson University), P. Milne, G. Williams (University of Arizona)
16102008-07-08 20:52:0018:42:17.330-11:25:00.60Swift/BAT reports the detection of a new galactic source Swift J1842.5-1124X-ray, Request for Observations, TransientH. A. Krimm (CRESST/GSFC/USRA), J. Kennea (PSU), S. D. Barthelmy (GSFC), W. Baumgartner (CRESST/GSFC/UMBC), J. Cummings (CRESST/GSFC/UMBC), E. Fenimore (LANL), N. Gehrels (GSFC), C. B. Markwardt (CRESST/GSFC/UMD), D. Palmer (LANL), A. Parsons (GSFC), T. Sakamoto (CRESTT/GSFC/UMBC), G. Sato (GSFC/ISAS), G. Skinner (CRESST/GSFC/UMBC), M. Stamatikos (GSFC/ORAU), J. Tueller (GSFC)
16152008-07-16 15:46:0012:56:42.680+27:30:40.60Discovery of a supernova candidate ROTSE3 J125642.7+273041Optical, Nova, Supernovae, TransientF. Yuan, D. Chamarro, M.D. Sisson, A. Uecker, C. Akerlof, T. Mckay (U. Mich.), R. Quimby (Caltech) and J.C. Wheeler (U. Texas) on behalf of the ROTSE collaboration
16202008-07-18 15:36:0017:40:26.850-36:55:37.60Identification of the nature of sources IGR J17404-3655 and IGR J18173-2509Optical, X-ray, Binary, Cataclysmic VariableN. Masetti, P. Parisi, E. Palazzi, R. Landi (INAF/IASF-Bologna), L. Morelli (Univ. Padua), G. Galaz, D. Minniti (PUC, Santiago), A.J. Dean (Univ. Southampton) and P. Ubertini (INAF/IASF-Rome)
16202008-07-18 15:36:0018:17:22.250-25:08:42.90Identification of the nature of sources IGR J17404-3655 and IGR J18173-2509Optical, X-ray, Binary, Cataclysmic VariableN. Masetti, P. Parisi, E. Palazzi, R. Landi (INAF/IASF-Bologna), L. Morelli (Univ. Padua), G. Galaz, D. Minniti (PUC, Santiago), A.J. Dean (Univ. Southampton) and P. Ubertini (INAF/IASF-Rome)
16212008-07-18 17:09:0017:01:44.300-40:51:29.90Improved X-ray position for XTE J1701-407X-ray, TransientR. Starling and P. Evans (U. Leicester, on behalf of the Swift XRT team)
16222008-07-18 22:15:0000:46:25.650+41:07:14.20Discovery of CV candidate ROTSE3 J004626+410714Optical, Cataclysmic Variable, TransientD. Chamarro, F. Yuan, M. D. Sisson, A Uecker, C. Akerlof, T. Mckay (U Mich.), A. Henden (AAVSO) report on behalf of the ROTSE collaboration
16242008-07-22 01:28:0001:05:27.200+37:51:11.05Highly Host-Extinguished Type Ia Supernova SNF20080720-001Infra-Red, Optical, Ultra-Violet, Request for Observations, SupernovaeThe Nearby Supernova Factory: G. Aldering, S. Bongard, M. Childress, S. Loken, P. Nugent, S. Perlmutter, P. Ripoche, K. Runge, R. C. Thomas (Lawrence Berkeley National Laboratory, Berkeley, CA); P. Antilogus, S. Bailey, R. Pain, R. Pereira, C. Wu (Laboratoire de Physique Nucleaire et de Haute Energies de Paris); C. Buton, Y. Copin, E. Gangler, G. Smadja, C. Tao (Institut de Physique Nucleaire de Lyon); G. Rigaudier, E. Pecontal (Centre de Recherche Astronomique de Lyon); C. Baltay, J. Jerke, D. Rabinowitz, R. Scalzo (Yale University, New Haven, CT); and D. Birchall (University of Hawaii)
16272008-07-23 20:45:0000:43:27.280+41:10:03.30Discovery of Possible Nova in M31 : P60-M31-080723Infra-Red, Optical, X-ray, Request for Observations, Cataclysmic Variable, Nova, TransientM. M. Kasliwal, S. B. Cenko, A. Rau, E. O. Ofek, R. Quimby, S. R. Kulkarni (Caltech)
16412008-08-01 15:24:0002:29:33.000+20:54:47.00AGILE detection of the high Galactic latitude transient gamma-ray source AGL J0229+2054X-ray, Gamma Ray, AGN, TransientA. Bulgarelli (INAF/IASF Bologna), M. Tavani, G. Pucella, F. D'Ammando, V. Vittorini, G. Piano, E. Costa, M. Feroci, I. Donnarumma, L. Pacciani, E. Del Monte, F. Lazzarotto, P. Soffitta, Y. Evangelista, I. Lapshov, M. Rapisarda, A. Argan, A. Trois, G. De Paris, A. Rubini, (INAF/IASF Roma), F. Gianotti, M. Trifoglio,G. Di Cocco, C. Labanti, F. Fuschino, M. Marisaldi, E. Morelli, M. Galli (INAF/IASF Bologna), A. Chen, P. Caraveo, A. Giuliani, S. Mereghetti, A. Pellizzoni, S. Vercellone, F. Perotti, F. Fornari, M. Fiorini, A. Zambra (INAF/IASF Milano), G. Barbiellini, F. Longo, E. Vallazza (INFN Trieste), P. Picozza, A. Morselli (INFN Roma-2), M. Prest (Universita` dell'Insubria), P. Lipari, D. Zanello (INFN Roma-1), P. Cattaneo (INFN Pavia), C. Pittori, F. Verrecchia, D. Gasparrini, P. Santolamazza, S. Colafrancesco, P. Giommi (ASDC) and L. Salotti (ASI)
16422008-08-02 14:08:0020:32:24.700+60:28:37.20Discovery of CV candidate ROTSE3 J203225+602837Optical, Cataclysmic Variable, TransientA. Uecker, D. Chamarro, F. Yuan, M. D. Sisson, C. Akerlof, T. McKay (U Mich.), A. Henden (AAVSO) report on behalf of the ROTSE collaboration
16472008-08-06 12:49:0000:42:41.270+41:18:21.50XMM-Newton detection of X-ray transients in M 31X-ray, Nova, TransientW. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), M. Freyberg (MPE), F. Haberl (MPE), M. Henze (MPE), H. Stiele (MPE)
16472008-08-06 12:49:0000:42:45.970+41:10:36.60XMM-Newton detection of X-ray transients in M 31X-ray, Nova, TransientW. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), M. Freyberg (MPE), F. Haberl (MPE), M. Henze (MPE), H. Stiele (MPE)
16502008-08-08 00:02:0015:04:24.980+10:29:39.20GLAST LAT detection of a possible new gamma-ray flaring blazar: PKS 1502+106Gamma Ray, >GeV, AGN, QuasarS. Ciprini (Univ./INFN Perugia) on behalf of the GLAST Large Area Telescope Collaboration
16522008-08-08 14:02:0015:03:53.760+10:22:08.40INTEGRAL IBIS upper limit on the GLAST blazar PKS 1502+106 and Detection of Seyfert 1 PG 1501+106X-ray, Gamma Ray, AGNP. Ubertini, A. Bazzano (IASF-Roma/INAF), A.J. Bird, V. McBride (Southampton University), L. Bassani, A, Malizia (IASF-Bologna/INAF) on behalf of the IBIS Survey team and E. Cavazzuti (ASI/ASDC)
16522008-08-08 14:02:0015:04:01.202+10:26:16.15INTEGRAL IBIS upper limit on the GLAST blazar PKS 1502+106 and Detection of Seyfert 1 PG 1501+106X-ray, Gamma Ray, AGNP. Ubertini, A. Bazzano (IASF-Roma/INAF), A.J. Bird, V. McBride (Southampton University), L. Bassani, A, Malizia (IASF-Bologna/INAF) on behalf of the IBIS Survey team and E. Cavazzuti (ASI/ASDC)
16542008-08-11 14:54:0000:42:44.990+41:17:07.70Two new, bright optical nova candidates in M 31 including one possible recurrent novaOptical, NovaM. Henze, V. Burwitz, W. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), D. Hatzidimitriou, P. Reig, N. Primak, G. Papamastorakis (University of Crete)
16542008-08-11 14:54:0000:42:52.380+41:16:12.90Two new, bright optical nova candidates in M 31 including one possible recurrent novaOptical, NovaM. Henze, V. Burwitz, W. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), D. Hatzidimitriou, P. Reig, N. Primak, G. Papamastorakis (University of Crete)
16592008-08-14 14:47:0017:39:11.670+30:20:36.60Swift observes another outburst from the Supergiant Fast X-ray Transient XTEJ1739-302/IGRJ17391-3021X-ray, Gamma Ray, Binary, TransientP. Romano (INAF-IASF Palermo), C. Guidorzi (INAF-OAB), L. Sidoli (INAF-IASF Milano), J.A. Kennea(PSU), P.A. Evans (U. Leicester), S. Vercellone (INAF-IASF Milano), V. Mangano (INAF-IASF Palermo), D.N. Burrows (PSU), G. Cusumano (INAF-IASF Palermo), H.A. Krimm (CRESST/GSFC/USRA), N. Gehrels (GSFC)
16632008-08-16 00:06:0002:22:32.700+42:21:56.10Discovery of Possible Bright Nova in NGC891 : P60-NGC891-080813Cataclysmic Variable, Nova, TransientM. M. Kasliwal, S. B. Cenko, A. Rau, E. O. Ofek, R. Quimby, S. R. Kulkarni (Caltech)
16712008-08-21 14:05:0000:44:20.120+41:37:02.10Swift detection of X-ray transients in M 31X-ray, Nova, TransientW. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), M. Freyberg (MPE), M. Henze (MPE), H. Stiele (MPE), S. Immler (NASA/CRESST/GSFC)
16722008-08-22 01:01:0000:42:46.110+40:53:34.54Two new supersoft X-ray sources in M31 identified as classical novaeOptical, X-ray, Nova, TransientT. Nelson (UW Madison), J.F. Liu (CfA), R. Di Stefano (CfA), M. Orio (INAF Padova and UW Madison), B. Patel (CfA), F. Primini (CfA) and A. W. Shafter (SDSU)
16722008-08-22 01:01:0000:44:32.580+41:25:21.25Two new supersoft X-ray sources in M31 identified as classical novaeOptical, X-ray, Nova, TransientT. Nelson (UW Madison), J.F. Liu (CfA), R. Di Stefano (CfA), M. Orio (INAF Padova and UW Madison), B. Patel (CfA), F. Primini (CfA) and A. W. Shafter (SDSU)
16742008-08-22 14:47:0000:43:20.560+41:15:28.80Swift detection of a new bright X-ray transient in M 31Optical, Ultra-Violet, X-ray, TransientW. Pietsch (Max-Planck-Institut fuer extraterrestrische Physik, MPE), V. Burwitz (MPE), J. Greiner (MPE), M. Henze (MPE), H. Stiele (MPE)
16762008-08-22 21:04:0005:01:06.780+45:16:34.00New Soft Gamma Repeater SGR 0501+4516Soft Gamma-ray RepeaterS. D. Barthelmy (GSFC), W. H. Baumgartner (GSFC/UMBC), A. P. Beardmore (U Leicester), D. N. Burrows (PSU), J. R. Cummings (NASA/UMBC), P. A. Evans (U Leicester), N. Gehrels (NASA/GSFC), O. Godet (U Leicester), C. Guidorzi (INAF-OAB), S. T. Holland (CRESST/USRA/GSFC), J. A. Kennea (PSU), V. Mangano (INAF-IASFPA), J. Mao (INAF-OAB), F. E. Marshall (NASA/GSFC), P. T. O'Brien (U Leicester), J. P. Osborne (U Leicester), C. Pagani (PSU), K. L. Page (U Leicester), D. M. Palmer (LANL), M. Perri (ASDC), T. Sakamoto (NASA/UMBC), B. Sbarufatti (INAF-IASFPA), R. L. C. Starling (U Leicester), G. Stratta (ASDC), T. N. Ukwatta (GSFC/GWU), and L. Vetere (PSU)
16872008-09-01 16:12:0000:42:37.670+41:12:29.40Optical Nova Candidate in M31Optical, NovaA. Valcheva (SU, Sofia), E. Ovcharov (SU, Sofia), G. Latev (SU, Sofia), A. Kostov (IA, Sofia), Y. Nikolov (IA, Sofia), Ts. Georgiev (IA, Sofia), P. Nedialkov (SU, Sofia)
16892008-09-02 14:02:0016:29:40.200-11:20:24.00XMMSL1 J162940.2-112024 : A new X-ray transient from the XMM-Newton Slew SurveyX-ray, Request for Observations, TransientA M Read (Leicester), R D Saxton (ESAC), P Esquej (MPE)
16902008-09-02 16:05:0003:20:18.590+41:21:45.10Discovery of a probably sub-luminous type Ia supernova ROTSE3 J032048.6+412145Optical, Nova, Supernovae, TransientF. Yuan (U. Mich.), R. Quimby (Caltech), D. Chamarro, A. Uecker, M. D. Sisson, C. Akerlof, (U. Mich.) and J. C. Wheeler (U. Texas) on behalf of the ROTSE collaboration
16932008-09-03 22:55:0000:43:20.710+41:15:31.31Chandra Observations of the M31 X-Ray Transient SWIFT J004320.5+411528Optical, X-ray, Binary, Black Hole, Neutron Star, Transient, PulsarJ.L. Galache, M.R. Garcia, M.A.P. Torres, S.S. Murray (CfA), D. Steeghs (U. of Warwick/CfA) and B.F. Williams (U. of Washington)
16942008-09-04 02:20:0000:03:59.208+08:41:38.40Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0000:48:02.592+22:35:24.36Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0000:58:32.064+33:11:17.53Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0001:14:51.408+26:23:21.84Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0001:24:50.448-06:25:00.48Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0002:39:45.432-02:34:40.08Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0016:53:29.924+31:07:57.00Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams
16942008-09-04 02:20:0017:16:13.196+45:34:47.28Recent Optical Flaring Activity in Probable BlazarsOptical, Request for Observations, AGN, Quasar, TransientP. E. Nugent (LBL), S. G. Djorgovski, E. Glikman, A. Mahabal (Caltech), C. Baltay, D. Rabinowitz (Yale), on behalf or the LBL Nearby Supernova Factory and Palomar-Quest survey teams

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