Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/28339
DC Field | Value | Language |
---|---|---|
dc.contributor.author | RIGOSELLI, MICHELA | en_US |
dc.contributor.author | MEREGHETTI, Sandro | en_US |
dc.date.accessioned | 2020-11-13T15:44:08Z | - |
dc.date.available | 2020-11-13T15:44:08Z | - |
dc.date.issued | 2018 | en_US |
dc.identifier.issn | 0004-6361 | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/28339 | - |
dc.description.abstract | We report on the X-ray properties of four rotation-powered pulsars with characteristic ages in the range 0.3-5 Myr, derived from the analysis of XMM-Newton archival observations. We found convincing evidence of thermal emission only in the phase-averaged spectrum of PSR B0114+58, which is well fitted by a blackbody with temperature kT = 0.17 ± 0.02 keV and emitting radius R = 405 [-90,+110] m, consistent with the size of its polar cap. The three other considered pulsars, PSR B0628-28, PSR B0919+06, and PSR B1133+16, have phase-averaged spectra that can be described well by single power laws with photon index Γ~3. The 3σ upper limits on the bolometric luminosity of a possible thermal component with temperatures in the range 0.05-2 keV are Lbol ≲ 3.2 × 10^28 erg/s and Lbol ≲ 2.4 × 10^29 erg/s, for PSR B0628-28 and PSR B0919+06, respectively. On the other hand, we found possible evidence that the pulsed emission of PSR B0628-28 is thermal. Two absorption lines at 0.22 keV and 0.44 keV are detected in the spectrum of PSR B1133+16. They are best interpreted as proton cyclotron features, implying the presence of multipolar components with a field of a few 10^13 G at the neutron star polar caps. We discuss our results in the context of high-energy emission models of old rotation-powered pulsars. | en_US |
dc.language.iso | eng | en_US |
dc.title | A new X-ray look into four old pulsars | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.1051/0004-6361/201732408 | en_US |
dc.identifier.scopus | 2-s2.0-85053067334 | en_US |
dc.identifier.isi | 000439002800005 | en_US |
dc.identifier.url | http://arxiv.org/abs/1802.09454v1 | en_US |
dc.identifier.url | https://www.aanda.org/articles/aa/abs/2018/07/aa32408-17/aa32408-17.html | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 615 | en_US |
dc.relation.firstpage | A73 | en_US |
dc.type.referee | REF_1 | en_US |
dc.description.international | no | en_US |
dc.contributor.country | ITA | 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...615A..73R | 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 | IASF Milano | - |
crisitem.author.dept | IASF Milano | - |
crisitem.author.orcid | 0000-0001-6641-5450 | - |
crisitem.author.orcid | 0000-0003-3259-7801 | - |
crisitem.journal.journalissn | 0004-6361 | - |
crisitem.journal.ance | E016240 | - |
Appears in Collections: | 1.01 Articoli in rivista |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
aa32408-17-compr.pdf | Pdf editoriale | 6.85 MB | Adobe PDF | View/Open |
Page view(s)
50
checked on Apr 25, 2024
Download(s)
9
checked on Apr 25, 2024
Google ScholarTM
Check
Altmetric
Altmetric
Items in DSpace are published in Open Access, unless otherwise indicated.