Please use this identifier to cite or link to this item:
http://hdl.handle.net/20.500.12386/31708
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Connor, Thomas | en_US |
dc.contributor.author | Bañados, Eduardo | en_US |
dc.contributor.author | Stern, Daniel | en_US |
dc.contributor.author | Carilli, Chris | en_US |
dc.contributor.author | Fabian, Andrew | en_US |
dc.contributor.author | Momjian, Emmanuel | en_US |
dc.contributor.author | Rojas-Ruiz, Sofía | en_US |
dc.contributor.author | DECARLI, ROBERTO | en_US |
dc.contributor.author | Farina, Emanuele Paolo | en_US |
dc.contributor.author | Mazzucchelli, Chiara | en_US |
dc.contributor.author | Earnshaw, Hannah P. | en_US |
dc.date.accessioned | 2022-03-18T13:42:25Z | - |
dc.date.available | 2022-03-18T13:42:25Z | - |
dc.date.issued | 2021 | en_US |
dc.identifier.issn | 0004-637X | en_US |
dc.identifier.uri | http://hdl.handle.net/20.500.12386/31708 | - |
dc.description.abstract | We present deep (265 ks) Chandra X-ray observations of PSO J352.4034-15.3373, a quasar at z=5.831 that, with a radio-to-optical flux ratio of R>1000, is one of the radio-loudest quasars in the early universe and is the only quasar with observed extended radio jets of kiloparsec scale at z6. Modeling the X-ray spectrum of the quasar with a power law, we find a best fit of G = - 1.99+0.28 0.29, leading to an X-ray luminosity of = ' - L 1.26+ 10 erg s- 2 10 0.33 0.45 45 1 - and an X-ray to UV brightness ratio of αOX=-1.45±-0.11. We identify a diffuse structure 50 kpc (∼8") to the NW of the quasar along the jet axis that corresponds to a 3σ enhancement in the angular density of emission and can be ruled out as a background fluctuation with a probability of P =0.9985. While with few detected photons the spectral fit of the structure is uncertain, we find that it has a luminosity of L2-10∼1044 erg s-1. These observations therefore potentially represent the most distant quasar jet yet seen in X-rays. We find no evidence for excess X-ray emission where the previously reported radio jets are seen (which have an overall linear extent of 0 28), and a bright X-ray point source located along the jet axis to the SE is revealed by optical and NIR imaging to not be associated with the quasar. | en_US |
dc.language.iso | eng | en_US |
dc.title | Enhanced x-ray emission from the most radio-powerful quasar in the universe's first billion years | en_US |
dc.type | Article | - |
dc.identifier.doi | 10.3847/1538-4357/abe710 | en_US |
dc.identifier.scopus | 2-s2.0-85105258120 | en_US |
dc.identifier.url | https://iopscience.iop.org/article/10.3847/1538-4357/abe710 | en_US |
dc.identifier.url | https://api.elsevier.com/content/abstract/scopus_id/85105258120 | en_US |
dc.relation.medium | STAMPA | en_US |
dc.relation.volume | 911 | en_US |
dc.relation.issue | 2 | en_US |
dc.relation.firstpage | 120 | en_US |
dc.type.referee | REF_1 | 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.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.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 | OAS Bologna | - |
crisitem.author.orcid | 0000-0002-2662-8803 | - |
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 | |
---|---|---|---|---|
2103.03879.pdf | preprint | 1.28 MB | Adobe PDF | View/Open |
Connor_2021_ApJ_911_120.pdf | [Administrators only] | 1.36 MB | Adobe PDF |
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