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http://hdl.handle.net/20.500.12386/29625
Campo DC | Valore | Lingua |
---|---|---|
dc.contributor.author | Klose, S. | en_US |
dc.contributor.author | Nicuesa Guelbenzu, A. M. | en_US |
dc.contributor.author | Michałowski, M. J. | en_US |
dc.contributor.author | HUNT, Leslie Kipp | en_US |
dc.contributor.author | Hartmann, D. H. | en_US |
dc.contributor.author | Greiner, J. | en_US |
dc.contributor.author | ROSSI, Andrea | en_US |
dc.contributor.author | Palazzi, E. | en_US |
dc.contributor.author | Bernuzzi, S. | en_US |
dc.date.accessioned | 2021-01-08T16:11:19Z | - |
dc.date.available | 2021-01-08T16:11:19Z | - |
dc.date.issued | 2019 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/29625 | - |
dc.description.abstract | We report the results of an extensive radio-continuum observing campaign of host galaxies of short gamma-ray bursts (GRBs). The goal of this survey was to search for optically obscured star formation, possibly indicative of a population of young short-GRB progenitors. Our sample comprises the hosts and host-galaxy candidates of 16 short-GRBs from 2005 to 2015, corresponding to roughly one-third of the presently known ensemble of well-localized short bursts. Eight GRB fields were observed with ATCA (at 5.5 and 9.0 GHz), and eight fields with the VLA (mostly at 5.5 GHz). The observations typically achieved a 1σ <SUB>rms</SUB> of 5-8 μJy. In most cases, they were performed years after the corresponding burst. No new short-GRB host with optically obscured star formation was found. Only one host galaxy was detected: that of GRB 100206A at z = 0.407. However, its starburst nature was already known from optical/IR data. Its measured radio flux can be interpreted as being due to a star formation rate of about 60 M <SUB>☉</SUB> yr<SUP>-1</SUP>. This is in good agreement with earlier expectations based on the observed broad-band spectral energy distribution of this galaxy. The 15 nondetections constrain the SFRs of the suspected host galaxies and provide upper limits on late-time luminosities of the associated radio afterglows and predicted kilonova radio flares. The nondetection of radio emission from GRB explosion sites confirms the intrinsically low luminosity of short-GRB afterglows and places significant constraints on the parameter space of magnetar-powered radio flares. Luminous radio flares from fiducial massive magnetars have not been found. | en_US |
dc.language.iso | eng | en_US |
dc.title | Deep ATCA and VLA Radio Observations of Short-GRB Host Galaxies. Constraints on Star Formation Rates, Afterglow Flux, and Kilonova Radio Flares | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/ab528a | en_US |
dc.identifier.scopus | 2-s2.0-85077302422 | en_US |
dc.identifier.isi | 000506012000100 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/ab528a | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 887 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 206 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.numberofauthors | 9 | en_US |
dc.description.international | sì | en_US |
dc.contributor.country | DEU | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | THE ASTROPHYSICAL JOURNAL | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2019ApJ...887..206K | en_US |
dc.relation.ercsector | ERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation | en_US |
dc.description.apc | no | en_US |
dc.description.oa | 1 – prodotto con file in versione Open Access (allegare il file al passo 5-Carica) | en_US |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.grantfulltext | open | - |
item.languageiso639-1 | en | - |
item.openairetype | Article | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
crisitem.author.dept | O.A. Arcetri | - |
crisitem.author.dept | OAS Bologna | - |
crisitem.author.orcid | 0000-0001-9162-2371 | - |
crisitem.author.orcid | 0000-0002-8860-6538 | - |
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