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Showing 1 to 12 of 38 entries
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GRB 130427A: a nearby ordinary monster.

Science (New York, N.Y.)

Maselli A, Melandri A, Nava L, Mundell CG, Kawai N, Campana S, Covino S, Cummings JR, Cusumano G, Evans PA, Ghirlanda G, Ghisellini G, Guidorzi C, Kobayashi S, Kuin P, La Parola V, Mangano V, Oates S, Sakamoto T, Serino M, Virgili F, Zhang BB, Barthelmy S, Beardmore A, Bernardini MG, Bersier D, Burrows D, Calderone G, Capalbi M, Chiang J, D'Avanzo P, D'Elia V, De Pasquale M, Fugazza D, Gehrels N, Gomboc A, Harrison R, Hanayama H, Japelj J, Kennea J, Kopac D, Kouveliotou C, Kuroda D, Levan A, Malesani D, Marshall F, Nousek J, O'Brien P, Osborne JP, Pagani C, Page KL, Page M, Perri M, Pritchard T, Romano P, Saito Y, Sbarufatti B, Salvaterra R, Steele I, Tanvir N, Vianello G, Wiegand B, Weigand B, Wiersema K, Yatsu Y, Yoshii T, Tagliaferri G.
PMID: 24263134
Science. 2014 Jan 03;343(6166):48-51. doi: 10.1126/science.1242279. Epub 2013 Nov 21.

Long-duration gamma-ray bursts (GRBs) are an extremely rare outcome of the collapse of massive stars and are typically found in the distant universe. Because of its intrinsic luminosity (L ~ 3 × 10(53) ergs per second) and its relative...

Fermi-LAT observations of the gamma-ray burst GRB 130427A.

Science (New York, N.Y.)

Ackermann M, Ajello M, Asano K, Atwood WB, Axelsson M, Baldini L, Ballet J, Barbiellini G, Baring MG, Bastieri D, Bechtol K, Bellazzini R, Bissaldi E, Bonamente E, Bregeon J, Brigida M, Bruel P, Buehler R, Burgess JM, Buson S, Caliandro GA, Cameron RA, Caraveo PA, Cecchi C, Chaplin V, Charles E, Chekhtman A, Cheung CC, Chiang J, Chiaro G, Ciprini S, Claus R, Cleveland W, Cohen-Tanugi J, Collazzi A, Cominsky LR, Connaughton V, Conrad J, Cutini S, D'Ammando F, de Angelis A, DeKlotz M, de Palma F, Dermer CD, Desiante R, Diekmann A, Di Venere L, Drell PS, Drlica-Wagner A, Favuzzi C, Fegan SJ, Ferrara EC, Finke J, Fitzpatrick G, Focke WB, Franckowiak A, Fukazawa Y, Funk S, Fusco P, Gargano F, Gehrels N, Germani S, Gibby M, Giglietto N, Giles M, Giordano F, Giroletti M, Godfrey G, Granot J, Grenier IA, Grove JE, Gruber D, Guiriec S, Hadasch D, Hanabata Y, Harding AK, Hayashida M, Hays E, Horan D, Hughes RE, Inoue Y, Jogler T, Jóhannesson G, Johnson WN, Kawano T, Knödlseder J, Kocevski D, Kuss M, Lande J, Larsson S, Latronico L, Longo F, Loparco F, Lovellette MN, Lubrano P, Mayer M, Mazziotta MN, McEnery JE, Michelson PF, Mizuno T, Moiseev AA, Monzani ME, Moretti E, Morselli A, Moskalenko IV, Murgia S, Nemmen R, Nuss E, Ohno M, Ohsugi T, Okumura A, Omodei N, Orienti M, Paneque D, Pelassa V, Perkins JS, Pesce-Rollins M, Petrosian V, Piron F, Pivato G, Porter TA, Racusin JL, Rainò S, Rando R, Razzano M, Razzaque S, Reimer A, Reimer O, Ritz S, Roth M, Ryde F, Sartori A, Parkinson PM, Scargle JD, Schulz A, Sgrò C, Siskind EJ, Sonbas E, Spandre G, Spinelli P, Tajima H, Takahashi H, Thayer JG, Thayer JB, Thompson DJ, Tibaldo L, Tinivella M, Torres DF, Tosti G, Troja E, Usher TL, Vandenbroucke J, Vasileiou V, Vianello G, Vitale V, Winer BL, Wood KS, Yamazaki R, Younes G, Yu HF, Zhu SJ, Bhat PN, Briggs MS, Byrne D, Foley S, Goldstein A, Jenke P, Kippen RM, Kouveliotou C, McBreen S, Meegan C, Paciesas WS, Preece R, Rau A, Tierney D, van der Horst AJ, von Kienlin A, Wilson-Hodge C, Xiong S, Cusumano G, La Parola V, Cummings JR.
PMID: 24263133
Science. 2014 Jan 03;343(6166):42-7. doi: 10.1126/science.1242353. Epub 2013 Nov 21.

The observations of the exceptionally bright gamma-ray burst (GRB) 130427A by the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope provide constraints on the nature of these unique astrophysical sources. GRB 130427A had the largest fluence, highest-energy photon...

ASCA Observation of the Quiescent X-Ray Counterpart to SGR 1627-41.

The Astrophysical journal

Hurley K, Strohmayer T, Li P, Kouveliotou C, Woods P, van Paradijs J, Murakami T, Hartmann D, Smith I, Ando M, Yoshida A, Sugizaki M.
PMID: 10587486
Astrophys J. 2000 Jan 01;528(1):L21-L23. doi: 10.1086/312424.

We present a 2-10 keV ASCA observation of the field around the soft gamma repeater SGR 1627-41. A quiescent X-ray source, whose position is consistent both with that of a recently discovered BeppoSAX X-ray source and with the Interplanetary...

Statistical Properties of SGR 1900+14 Bursts.

The Astrophysical journal

Göğüş E, Woods PM, Kouveliotou C, van Paradijs J, Briggs MS, Duncan RC, Thompson C.
PMID: 10550286
Astrophys J. 1999 Dec 01;526(2):L93-L96. doi: 10.1086/312380.

We study the statistics of soft gamma repeater (SGR) bursts using a database of 187 events detected with BATSE and 837 events detected with the Rossi X-Ray Timing Explorer Proportional Counter Array; all events are from SGR 1900+14 during...

Statistical Properties of SGR 1806-20 Bursts.

The Astrophysical journal

Göğüş E, Woods PM, Kouveliotou C, van Paradijs J, Briggs MS, Duncan RC, Thompson C.
PMID: 10715239
Astrophys J. 2000 Apr 01;532(2):L121-L124. doi: 10.1086/312583.

We present statistics of SGR 1806-20 bursts, combining 290 events detected with the Rossi X-Ray Timing Explorer/Proportional Counter Array, 111 events detected with the Burst and Transient Source Experiment, and 134 events detected with the International Cometary Explorer. We...

Evolution of the polarization of the optical afterglow of the gamma-ray burst GRB030329.

Nature

Greiner J, Klose S, Reinsch K, Schmid HM, Sari R, Hartmann DH, Kouveliotou C, Rau A, Palazzi E, Straubmeier C, Stecklum B, Zharikov S, Tovmassian G, Bärnbantner O, Ries C, Jehin E, Henden A, Kaas AA, Grav T, Hjorth J, Pedersen H, Wijers RA, Kaufer A, Park HS, Williams G, Reimer O.
PMID: 14614499
Nature. 2003 Nov 13;426(6963):157-9. doi: 10.1038/nature02077.

The association of a supernova with GRB030329 strongly supports the 'collapsar' model of gamma-ray bursts, where a relativistic jet forms after the progenitor star collapses. Such jets cannot be spatially resolved because gamma-ray bursts lie at cosmological distances; their...

An optical supernova associated with the X-ray flash XRF 060218.

Nature

Pian E, Mazzali PA, Masetti N, Ferrero P, Klose S, Palazzi E, Ramirez-Ruiz E, Woosley SE, Kouveliotou C, Deng J, Filippenko AV, Foley RJ, Fynbo JP, Kann DA, Li W, Hjorth J, Nomoto K, Patat F, Sauer DN, Sollerman J, Vreeswijk PM, Guenther EW, Levan A, O'Brien P, Tanvir NR, Wijers RA, Dumas C, Hainaut O, Wong DS, Baade D, Wang L, Amati L, Cappellaro E, Castro-Tirado AJ, Ellison S, Frontera F, Fruchter AS, Greiner J, Kawabata K, Ledoux C, Maeda K, Møller P, Nicastro L, Rol E, Starling R.
PMID: 16943831
Nature. 2006 Aug 31;442(7106):1011-3. doi: 10.1038/nature05082.

Long-duration gamma-ray bursts (GRBs) are associated with type Ic supernovae that are more luminous than average and that eject material at very high velocities. Less-luminous supernovae were not hitherto known to be associated with GRBs, and therefore GRB-supernovae were...

Broadband observations of the naked-eye gamma-ray burst GRB 080319B.

Nature

Racusin JL, Karpov SV, Sokolowski M, Granot J, Wu XF, Pal'shin V, Covino S, van der Horst AJ, Oates SR, Schady P, Smith RJ, Cummings J, Starling RL, Piotrowski LW, Zhang B, Evans PA, Holland ST, Malek K, Page MT, Vetere L, Margutti R, Guidorzi C, Kamble AP, Curran PA, Beardmore A, Kouveliotou C, Mankiewicz L, Melandri A, O'Brien PT, Page KL, Piran T, Tanvir NR, Wrochna G, Aptekar RL, Barthelmy S, Bartolini C, Beskin GM, Bondar S, Bremer M, Campana S, Castro-Tirado A, Cucchiara A, Cwiok M, D'Avanzo P, D'Elia V, Valle MD, de Ugarte Postigo A, Dominik W, Falcone A, Fiore F, Fox DB, Frederiks DD, Fruchter AS, Fugazza D, Garrett MA, Gehrels N, Golenetskii S, Gomboc A, Gorosabel J, Greco G, Guarnieri A, Immler S, Jelinek M, Kasprowicz G, La Parola V, Levan AJ, Mangano V, Mazets EP, Molinari E, Moretti A, Nawrocki K, Oleynik PP, Osborne JP, Pagani C, Pandey SB, Paragi Z, Perri M, Piccioni A, Ramirez-Ruiz E, Roming PW, Steele IA, Strom RG, Testa V, Tosti G, Ulanov MV, Wiersema K, Wijers RA, Winters JM, Zarnecki AF, Zerbi F, Mészáros P, Chincarini G, Burrows DN.
PMID: 18784718
Nature. 2008 Sep 11;455(7210):183-8. doi: 10.1038/nature07270.

Long-duration gamma-ray bursts (GRBs) release copious amounts of energy across the entire electromagnetic spectrum, and so provide a window into the process of black hole formation from the collapse of massive stars. Previous early optical observations of even the...

An expanding radio nebula produced by a giant flare from the magnetar SGR 1806-20.

Nature

Gaensler BM, Kouveliotou C, Gelfand JD, Taylor GB, Eichler D, Wijers RA, Granot J, Ramirez-Ruiz E, Lyubarsky YE, Hunstead RW, Campbell-Wilson D, van der Horst AJ, McLaughlin MA, Fender RP, Garrett MA, Newton-McGee KJ, Palmer DM, Gehrels N, Woods PM.
PMID: 15858566
Nature. 2005 Apr 28;434(7037):1104-6. doi: 10.1038/nature03498.

Soft gamma-ray repeaters (SGRs) are 'magnetars', a small class of slowly spinning neutron stars with extreme surface magnetic fields, B approximately 10(15) gauss (refs 1 , 2 -3). On 27 December 2004, a giant flare was detected from the...

A giant gamma-ray flare from the magnetar SGR 1806-20.

Nature

Palmer DM, Barthelmy S, Gehrels N, Kippen RM, Cayton T, Kouveliotou C, Eichler D, Wijers RA, Woods PM, Granot J, Lyubarsky YE, Ramirez-Ruiz E, Barbier L, Chester M, Cummings J, Fenimore EE, Finger MH, Gaensler BM, Hullinger D, Krimm H, Markwardt CB, Nousek JA, Parsons A, Patel S, Sakamoto T, Sato G, Suzuki M, Tueller J.
PMID: 15858567
Nature. 2005 Apr 28;434(7037):1107-9. doi: 10.1038/nature03525.

Two classes of rotating neutron stars-soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars-are magnetars, whose X-ray emission is powered by a very strong magnetic field (B approximately 10(15) G). SGRs occasionally become 'active', producing many short X-ray bursts. Extremely...

Long gamma-ray bursts and core-collapse supernovae have different environments.

Nature

Fruchter AS, Levan AJ, Strolger L, Vreeswijk PM, Thorsett SE, Bersier D, Burud I, Castro Cerón JM, Castro-Tirado AJ, Conselice C, Dahlen T, Ferguson HC, Fynbo JP, Garnavich PM, Gibbons RA, Gorosabel J, Gull TR, Hjorth J, Holland ST, Kouveliotou C, Levay Z, Livio M, Metzger MR, Nugent PE, Petro L, Pian E, Rhoads JE, Riess AG, Sahu KC, Smette A, Tanvir NR, Wijers RA, Woosley SE.
PMID: 16688183
Nature. 2006 May 25;441(7092):463-8. doi: 10.1038/nature04787. Epub 2006 May 10.

When massive stars exhaust their fuel, they collapse and often produce the extraordinarily bright explosions known as core-collapse supernovae. On occasion, this stellar collapse also powers an even more brilliant relativistic explosion known as a long-duration gamma-ray burst. One...

Timing Noise in SGR 1806-20.

The Astrophysical journal

Woods PM, Kouveliotou C, Finger MH, Göğüş E, Scott DM, Dieters S, Thompson C, Duncan RC, Hurley K, Strohmayer T, Swank J, Murakami T.
PMID: 10829007
Astrophys J. 2000 May 20;535(1):L55-L58. doi: 10.1086/312698.

We have phase-connected a sequence of Rossi X-Ray Timing Explorer Proportional Counter Array observations of SGR 1806-20 covering 178 days. We find that a simple secular spin-down model does not adequately fit the data. The period derivative varies gradually...

Showing 1 to 12 of 38 entries