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Titolo:
Near-infrared detection and optical follow-up of the GRB990705 afterglow
Autore:
Masetti, N; Palazzi, E; Pian, E; Hunt, LK; Mendez, M; Frontera, F; Amati, L; Vreeswijk, PM; Rol, E; Galama, TJ; van Paradijs, J; Antonelli, LA; Nicastro, L; Feroci, M; Marconi, G; Piro, L; Costa, E; Kouveliotou, C; Castro-Tirado, AJ; Falomo, R; Augusteijn, T; Bohnhardt, H; Lidman, C; Vanzi, L; Merrill, KM; Kaminsky, CD; van der Klis, M; Heemskerk, MHM; van der Hooft, F; Kuulkers, E; Pedersen, H; Benetti, S;
Indirizzi:
CNR, Ist Tecnol & Studio Radiazioni Extraterrestri, I-40129 Bologna, ItalyCNR Bologna Italy I-40129 iazioni Extraterrestri, I-40129 Bologna, Italy CNR, Ctr Astron Infrarossa & Studio Mezzo Interstellar, I-50125 Florence, Italy CNR Florence Italy I-50125 o Mezzo Interstellar, I-50125 Florence, Italy Univ Amsterdam, Astron Inst, NL-1098 SJ Amsterdam, Netherlands Univ Amsterdam Amsterdam Netherlands NL-1098 SJ J Amsterdam, Netherlands Natl Univ La Plata, Fac Ciencias Astron & Geofis, RA-1900 La Plata, Argentina Natl Univ La Plata La Plata Argentina RA-1900 A-1900 La Plata, Argentina Univ Ferrara, Dipartmento Fis, I-44100 Ferrara, Italy Univ Ferrara Ferrara Italy I-44100 partmento Fis, I-44100 Ferrara, Italy Univ Alabama, Dept Phys, Huntsville, AL 35899 USA Univ Alabama HuntsvilleAL USA 35899 Dept Phys, Huntsville, AL 35899 USA Osservatorio Astron Roma, I-00040 Monteporzio Catone, Italy Osservatorio Astron Roma Monteporzio Catone Italy I-00040 Catone, Italy CNR, Ist Fis Cosm Applicazioni Informat, I-90146 Palermo, Italy CNR Palermo Italy I-90146 Applicazioni Informat, I-90146 Palermo, Italy CNR, Ist Fis Cosm Applicaz Informat, I-00131 Rome, Italy CNR Rome Italy I-00131 t Fis Cosm Applicaz Informat, I-00131 Rome, Italy Univ Space Res Assoc, Huntsville, AL 35800 USA Univ Space Res Assoc Huntsville AL USA 35800 oc, Huntsville, AL 35800 USA NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35812 USA NASA Huntsville AL USA 35812 l Space Flight Ctr, Huntsville, AL 35812 USA CSIC, Inst Astrofis Andalucia, Granada 18080, Spain CSIC Granada Spain 18080 , Inst Astrofis Andalucia, Granada 18080, Spain INTA, Lab Astrofis Espacial & Fis Fundamental, Madrid 28080, Spain INTA Madrid Spain 28080 Espacial & Fis Fundamental, Madrid 28080, Spain Osservatorio Astron Padova, I-35122 Padua, Italy Osservatorio Astron Padova Padua Italy I-35122 ova, I-35122 Padua, Italy European So Observ, Santiago, Chile European So Observ Santiago ChileEuropean So Observ, Santiago, Chile Natl Opt Astron Observ, Tucson, AZ 85726 USA Natl Opt Astron Observ Tucson AZ USA 85726 n Observ, Tucson, AZ 85726 USA Univ Chicago, Yerkes Observ, Ctr Astrophys Res Astron, Williams Bay, WI 53191 USA Univ Chicago Williams Bay WI USA 53191 Astron, Williams Bay, WI 53191 USA Space Res Org Netherlands, NL-3584 CA Utrecht, Netherlands Space Res Org Netherlands Utrecht Netherlands NL-3584 CA ht, Netherlands Univ Utrecht, Astron Inst, NL-3507 TA Utrecht, Netherlands Univ Utrecht Utrecht Netherlands NL-3507 TA 3507 TA Utrecht, Netherlands Copenhagen Univ Observ, DK-2100 Copenhagen, Denmark Copenhagen Univ Observ Copenhagen Denmark DK-2100 00 Copenhagen, Denmark Ctr Galileo Galilei, Telescopio Nazl Galileo, Santa Cruz de la Palma 38700, Canary Isl, Spain Ctr Galileo Galilei Santa Cruz de la Palma Canary Isl Spain 38700 , Spain
Titolo Testata:
ASTRONOMY AND ASTROPHYSICS
fascicolo: 2, volume: 354, anno: 2000,
pagine: 473 - 479
SICI:
0004-6361(200002)354:2<473:NDAOFO>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
GAMMA-RAY BURST; STANDARD STARS; GALAXY; EXTINCTION; SYSTEM;
Keywords:
gamma rays : bursts; radiation mechanisms : non-thermal; galaxies : general;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
52
Recensione:
Indirizzi per estratti:
Indirizzo: Masetti, N CNR, Ist Tecnol & Studio Radiazioni Extraterrestri, Via Gobetti101, I-40129 Bologna, Italy CNR Via Gobetti 101 Bologna Italy I-40129 40129 Bologna, Italy
Citazione:
N. Masetti et al., "Near-infrared detection and optical follow-up of the GRB990705 afterglow", ASTRON ASTR, 354(2), 2000, pp. 473-479

Abstract

Optical and near-infrared observations of the GRB990705 error box were carried out with ESO telescopes at La Silla and Paranal in Chile and with the NOAO SPIREX 0.6-meter telescope in Antarctica. We detected the counterpart of this GRB in the near-infrared H band and optical V band. The power-law decline of the near-infrared lightcurve is rather steep with a decay index alpha similar or equal to 1.7 in the first hours, and a possible steepening after one day. Broadband spectral analysis of the optical/near-infrared afterglow suggests that this GRB took place in a high density environment. A deep optical image obtained at Antu (VLT-UT1) about 5 days after the GRB trigger shows at the position of the transient an extended object which might be the host galaxy of GRB990705.

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Documento generato il 18/11/17 alle ore 03:37:56