Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/28226
DC Field | Value | Language |
---|---|---|
dc.contributor.author | MEREGHETTI, Sandro | en_US |
dc.contributor.author | DE LUCA, Andrea | en_US |
dc.contributor.author | Salvetti, David | en_US |
dc.contributor.author | BELFIORE MONDONI, Andrea | en_US |
dc.contributor.author | MARELLI, MARTINO | en_US |
dc.contributor.author | PAIZIS, ADAMANTIA | en_US |
dc.contributor.author | RIGOSELLI, MICHELA | en_US |
dc.contributor.author | SALVATERRA, Ruben | en_US |
dc.contributor.author | SIDOLI, Lara | en_US |
dc.contributor.author | TIENGO, ANDREA | en_US |
dc.date.accessioned | 2020-11-09T14:51:16Z | - |
dc.date.available | 2020-11-09T14:51:16Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0004-6361 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/28226 | - |
dc.description.abstract | We report the discovery of a flaring X-ray source 7″ from the center of the globular cluster NGC 6540 obtained during the EXTraS project devoted to a systematic search for variability in archival data of the XMM-Newton satellite. The source had a quiescent X-ray luminosity on the order of 10<SUP>32</SUP> erg s<SUP>-1</SUP> in the 0.5-10 keV range (for a distance of NGC 6540 of 4 kpc) and showed a flare lasting about 300 s. During the flare, the X-ray luminosity increased by more than a factor 40, with a total emitted energy of 10<SUP>36</SUP> erg. These properties, as well as Hubble Space Telescope photometry of the possible optical counterparts, suggest the identification with a chromospherically active binary in the cluster. However, the flare luminosity is significantly higher than what is commonly observed in stellar flares of such a short duration, leaving open the possibility of other interpretations. | en_US |
dc.language.iso | eng | en_US |
dc.title | EXTraS discovery of a peculiar flaring X-ray source in the Galactic globular cluster NGC 6540 | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1051/0004-6361/201833086 | en_US |
dc.identifier.scopus | 2-s2.0-85053051278 | en_US |
dc.identifier.isi | 000441203600003 | en_US |
dc.identifier.url | https://www.aanda.org/articles/aa/abs/2018/08/aa33086-18/aa33086-18.html | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 616 | en_US |
dc.relation.firstpage | A36 | en_US |
dc.type.referee | REF_1 | en_US |
dc.relation.scientificsector | FIS/05 - ASTRONOMIA E ASTROFISICA | en_US |
dc.relation.journal | ASTRONOMY & ASTROPHYSICS | en_US |
dc.type.miur | 262 Articolo in rivista | - |
dc.identifier.adsbibcode | 2018A&A...616A..36M | 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.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
crisitem.journal.journalissn | 0004-6361 | - |
crisitem.journal.ance | E016240 | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | O.A. Brera | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.orcid | 0000-0003-3259-7801 | - |
crisitem.author.orcid | 0000-0001-6739-687X | - |
crisitem.author.orcid | 0000-0002-2526-1309 | - |
crisitem.author.orcid | 0000-0002-8017-0338 | - |
crisitem.author.orcid | 0000-0001-5067-0377 | - |
crisitem.author.orcid | 0000-0001-6641-5450 | - |
crisitem.author.orcid | 0000-0002-9393-8078 | - |
crisitem.author.orcid | 0000-0001-9705-2883 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
aa33086-18.pdf | Pdf editoriale | 2.55 MB | Adobe PDF | View/Open |
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