Artículo

Pellizza, L.J.; Duc, P.-A.; Le Floc'h, E.; Mirabel, I.F.; Antonelli, L.A.; Campana, S.; Chincarini, G.; Cimatti, A.; Covino, S.; Della Valle, M.; Fiore, F.; Fugazza, D.; Giommi, P.; Goldoni, P.; Israel, G.L.; Molinari, E.; Moretti, A.; Piro, L. (...) Vietri, M. "GRB 050223: A dark GRB in a dusty starburst galaxy" (2006) Astronomy and Astrophysics. 459(1):L5-L8
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Abstract:

Aims. We aim at detecting and determining the properties of the host galaxy of the dark GRB 050223. Methods. We use VLT optical/NIR images coupled to Swift X-ray positioning, and optical spectra of the host galaxy to measure its properties. Results. We find a single galaxy within the Swift error box of GRB 050223. It is located at z = 0.584 and its luminosity is L ∼ 0.4 L*. Emission lines in the galaxy spectrum imply an intrinsic SFR > 7 M ⊙ yr-1, and a large extinction Av > 2 mag within it. We also detect absorption lines, which reveal an underlying stellar population with an age between 40 Myr and 1.5 Gyr. Conclusions. The identification of a host galaxy with atypical properties using only the X-ray transient suggests that a bias may be present in the former sample of host galaxies. Dust obscuration together with intrinsic faintness are the most probable causes for the darkness of this burst. © ESO 2006.

Registro:

Documento: Artículo
Título:GRB 050223: A dark GRB in a dusty starburst galaxy
Autor:Pellizza, L.J.; Duc, P.-A.; Le Floc'h, E.; Mirabel, I.F.; Antonelli, L.A.; Campana, S.; Chincarini, G.; Cimatti, A.; Covino, S.; Della Valle, M.; Fiore, F.; Fugazza, D.; Giommi, P.; Goldoni, P.; Israel, G.L.; Molinari, E.; Moretti, A.; Piro, L.; Saracco, P.; Stella, L.; Tagliaferri, G.; Vietri, M.
Filiación:Laboratoire AIM (UMR 7158), Service d'Astrophysique, Bât. 709, 91191 Gif-sur-Yvette, France
Instituto de Astronomía y Física Del Espacio (CONICET/UBA), C.C. 67, Suc. 28, 1428 Buenos Aires, Argentina
Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, United States
Chercheur Associé, Observatoire de Paris, 75014 Paris, France
European Southern Observatory, Alonso de Córdova 3107, Santiago 19, Chile
CEA Saclay, France
INAF, Osservatorio Astronomico di Roma, via di Frascati 33, 00040 Monteporzio Catone (Roma), Italy
INAF, Osservatorio Astronomico di Brera, via E. Bianchi 46, 23807 Merate (LC), Italy
Università degli Studi di Milano-Bicocca, Dipartimento di Fisica, piazza delle Scienze 3, 20126 Milano, Italy
INAF, Osservatorio Astrofisico di Arcetri, largo E. Fermi 5, 50125 Firenze, Italy
Agenzia Spaziale Italiana, Science Data Center, via di Villa Grazioli, 00198 Roma, Italy
Laboratoire Astroparticule et Cosmologie, UMR 7164, 11 Place Marcelin Berthelot, 75231 Paris Cedex 05, France
INAF-IASF, Sezione di Roma, via Fosso del Cavaliere 100, 00133 Roma, Italy
Scuola Normale Superiore, piazza dei Cavalieri 7, 56126 Pisa, Italy
Palabras clave:Galaxies; Gamma rays: bursts; Starburst; Astrophysics; Dust; Luminous materials; Space research; X ray analysis; Dusty starburst galaxy; Emission lines; Gamma rays: bursts; Optical spectra; Galaxies
Año:2006
Volumen:459
Número:1
Página de inicio:L5
Página de fin:L8
DOI: http://dx.doi.org/10.1051/0004-6361:20066015
Título revista:Astronomy and Astrophysics
Título revista abreviado:Astron. Astrophys.
ISSN:00046361
CODEN:AAEJA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046361_v459_n1_pL5_Pellizza

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Citas:

---------- APA ----------
Pellizza, L.J., Duc, P.-A., Le Floc'h, E., Mirabel, I.F., Antonelli, L.A., Campana, S., Chincarini, G.,..., Vietri, M. (2006) . GRB 050223: A dark GRB in a dusty starburst galaxy. Astronomy and Astrophysics, 459(1), L5-L8.
http://dx.doi.org/10.1051/0004-6361:20066015
---------- CHICAGO ----------
Pellizza, L.J., Duc, P.-A., Le Floc'h, E., Mirabel, I.F., Antonelli, L.A., Campana, S., et al. "GRB 050223: A dark GRB in a dusty starburst galaxy" . Astronomy and Astrophysics 459, no. 1 (2006) : L5-L8.
http://dx.doi.org/10.1051/0004-6361:20066015
---------- MLA ----------
Pellizza, L.J., Duc, P.-A., Le Floc'h, E., Mirabel, I.F., Antonelli, L.A., Campana, S., et al. "GRB 050223: A dark GRB in a dusty starburst galaxy" . Astronomy and Astrophysics, vol. 459, no. 1, 2006, pp. L5-L8.
http://dx.doi.org/10.1051/0004-6361:20066015
---------- VANCOUVER ----------
Pellizza, L.J., Duc, P.-A., Le Floc'h, E., Mirabel, I.F., Antonelli, L.A., Campana, S., et al. GRB 050223: A dark GRB in a dusty starburst galaxy. Astron. Astrophys. 2006;459(1):L5-L8.
http://dx.doi.org/10.1051/0004-6361:20066015