Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/27503
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Bose, Subhash | en_US |
dc.contributor.author | Dong, Subo | en_US |
dc.contributor.author | PASTORELLO, Andrea | en_US |
dc.contributor.author | Filippenko, Alexei V. | en_US |
dc.contributor.author | Kochanek, C. S. | en_US |
dc.contributor.author | Mauerhan, Jon | en_US |
dc.contributor.author | Romero-Cañizales, C. | en_US |
dc.contributor.author | Brink, Thomas G. | en_US |
dc.contributor.author | Chen, Ping | en_US |
dc.contributor.author | Prieto, J. L. | en_US |
dc.contributor.author | Post, R. | en_US |
dc.contributor.author | Ashall, Christopher | en_US |
dc.contributor.author | Grupe, Dirk | en_US |
dc.contributor.author | TOMASELLA, Lina | en_US |
dc.contributor.author | BENETTI, Stefano | en_US |
dc.contributor.author | Shappee, B. J. | en_US |
dc.contributor.author | Stanek, K. Z. | en_US |
dc.contributor.author | Cai, Zheng | en_US |
dc.contributor.author | Falco, E. | en_US |
dc.contributor.author | Lundqvist, Peter | en_US |
dc.contributor.author | Mattila, Seppo | en_US |
dc.contributor.author | Mutel, Robert | en_US |
dc.contributor.author | OCHNER, PAOLO | en_US |
dc.contributor.author | Pooley, David | en_US |
dc.contributor.author | Stritzinger, M. D. | en_US |
dc.contributor.author | Villanueva, S., Jr. | en_US |
dc.contributor.author | Zheng, WeiKang | en_US |
dc.contributor.author | Beswick, R. J. | en_US |
dc.contributor.author | Brown, Peter J. | en_US |
dc.contributor.author | CAPPELLARO, Enrico | en_US |
dc.contributor.author | Davis, Scott | en_US |
dc.contributor.author | Fraser, Morgan | en_US |
dc.contributor.author | de Jaeger, Thomas | en_US |
dc.contributor.author | ELIAS DE LA ROSA, NANCY DEL CARMEN | en_US |
dc.contributor.author | Gall, C. | en_US |
dc.contributor.author | Gaudi, B. Scott | en_US |
dc.contributor.author | Herczeg, Gregory J. | en_US |
dc.contributor.author | Hestenes, Julia | en_US |
dc.contributor.author | Holoien, T. W. -S. | en_US |
dc.contributor.author | Hosseinzadeh, Griffin | en_US |
dc.contributor.author | Hsiao, E. Y. | en_US |
dc.contributor.author | Hu, Shaoming | en_US |
dc.contributor.author | Jaejin, Shin | en_US |
dc.contributor.author | Jeffers, Ben | en_US |
dc.contributor.author | Koff, R. A. | en_US |
dc.contributor.author | Kumar, Sahana | en_US |
dc.contributor.author | Kurtenkov, Alexander | en_US |
dc.contributor.author | Lau, Marie Wingyee | en_US |
dc.contributor.author | Prentice, Simon | en_US |
dc.contributor.author | Reynolds, T. | en_US |
dc.contributor.author | Rudy, Richard J. | en_US |
dc.contributor.author | Shahbandeh, Melissa | en_US |
dc.contributor.author | Somero, Auni | en_US |
dc.contributor.author | Stassun, Keivan G. | en_US |
dc.contributor.author | Thompson, Todd A. | en_US |
dc.contributor.author | Valenti, Stefano | en_US |
dc.contributor.author | Woo, Jong-Hak | en_US |
dc.contributor.author | Yunus, Sameen | en_US |
dc.date.accessioned | 2020-09-29T07:07:46Z | - |
dc.date.available | 2020-09-29T07:07:46Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/27503 | - |
dc.description.abstract | Hydrogen-poor superluminous supernovae (SLSNe-I) have been predominantly found in low-metallicity, star-forming dwarf galaxies. Here we identify Gaia17biu/SN 2017egm as an SLSN-I occurring in a “normal” spiral galaxy (NGC 3191) in terms of stellar mass (several times 10<SUP>10</SUP> M<SUB>☉</SUB>) and metallicity (roughly solar). At redshift z = 0.031, Gaia17biu is also the lowest-redshift SLSN-I to date, and the absence of a larger population of SLSNe-I in dwarf galaxies of similar redshift suggests that metallicity is likely less important to the production of SLSNe-I than previously believed. With the smallest distance and highest apparent brightness for an SLSN-I, we are able to study Gaia17biu in unprecedented detail. Its pre-peak near-ultraviolet to optical color is similar to that of Gaia16apd and among the bluest observed for an SLSN-I, while its peak luminosity (M<SUB>g</SUB> = -21 mag) is substantially lower than that of Gaia16apd. Thanks to the high signal-to-noise ratios of our spectra, we identify several new spectroscopic features that may help to probe the properties of these enigmatic explosions. We detect polarization at the ∼0.5% level that is not strongly dependent on wavelength, suggesting a modest, global departure from spherical symmetry. In addition, we put the tightest upper limit yet on the radio luminosity of an SLSN-I with <5.4 × 10<SUP>26</SUP> erg s<SUP>-1</SUP> Hz<SUP>-1</SUP> at 10 GHz, which is almost a factor of 40 better than previous upper limits and one of the few measured at an early stage in the evolution of an SLSN-I. This limit largely rules out an association of this SLSN-I with known populations of gamma-ray-burst-like central engines. | en_US |
dc.language.iso | eng | en_US |
dc.title | Gaia17biu/SN 2017egm in NGC 3191: The Closest Hydrogen-poor Superluminous Supernova to Date Is in a “Normal,” Massive, Metal-rich Spiral Galaxy | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/aaa298 | en_US |
dc.identifier.scopus | 2-s2.0-85041100305 | en_US |
dc.identifier.isi | 000423305600008 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/aaa298 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 853 | en_US |
dc.relation.issue | 1 | en_US |
dc.relation.firstpage | 57 | en_US |
dc.relation.numberofpages | 20 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.numberofauthors | 58 | en_US |
dc.description.international | sì | 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 | 2018ApJ...853...57B | 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.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.openairetype | Article | - |
item.languageiso639-1 | en | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.dept | O.A. Padova | - |
crisitem.author.orcid | 0000-0002-7259-4624 | - |
crisitem.author.orcid | 0000-0002-3697-2616 | - |
crisitem.author.orcid | 0000-0002-3256-0016 | - |
crisitem.author.orcid | 0000-0001-5008-8619 | - |
crisitem.author.orcid | 0000-0002-1381-9125 | - |
crisitem.journal.journalissn | 0004-637X | - |
crisitem.journal.ance | E016252 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Bose_2018_ApJ_853_57.pdf | pdf editoriale | 3.34 MB | Adobe PDF | View/Open |
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