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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04149naa a2200505 4500 | |
| 001 | oai:DiVA.org:kth-259435 | |
| 003 | SwePub | |
| 008 | 190924s2019 | |||||||||||000 ||eng| | |
| 009 | oai:DiVA.org:su-172971 | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2594352 URI |
| 024 | 7 | a https://doi.org/10.1093/mnrasl/slz0892 DOI |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1729712 URI |
| 040 | a (SwePub)kthd (SwePub)su | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Kajava, J. J. E.u Univ Turku, Finnish Ctr Astron ESO FINCH, FI-20014 Turku, Finland.4 aut |
| 245 | 1 0 | a X-ray dips and a complex UV/X-ray cross-correlation function in the black hole candidate MAXI J1820+070 |
| 264 | c 2019-06-06 | |
| 264 | 1 | b OXFORD UNIV PRESS,c 2019 |
| 338 | a print2 rdacarrier | |
| 500 | a 20190924 | |
| 520 | a MAXI J1820+070, a black hole candidate first detected in early 2018 March, was observed by XMM-Newton during the outburst rise. In this letter we report on the spectral and timing analysis of the XMM-Newton X-ray and UV data, as well as contemporaneous X-ray data from the Swift satellite. The X-ray spectrum is well described by a hard thermal Comptonization continuum. The XMM-Newton X-ray light curve shows a pronounced dipping interval, and spectral analysis indicates that it is caused by a moderately ionized partial covering absorber. The XMM-Newton/OM U-filter data do not reveal any signs of the 17 h orbital modulation that was seen later on during the outburst decay. The UV/X-ray cross-correlation function shows a complex shape, with a peak at positive lags of about 4 s and a precognition dip at negative lags, which is absent during the X-ray dipping episode. Such shape could arise if the UV emission comes partially from synchrotron self-Compton emission near the black hole, as well as from reprocessing of the X-rays in the colder accretion disc further out. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
| 653 | a accretion | |
| 653 | a accretion discs | |
| 653 | a black hole physics | |
| 653 | a X-rays: binaries | |
| 653 | a X-rays: individual: MAXI J1820+070 | |
| 700 | 1 | a Motta, S. E.u Univ Oxford, Dept Phys, Astrophys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England.4 aut |
| 700 | 1 | a Sanna, A.u Univ Cagliari, Dipartimento Fis, SP Monserrato Sestu Km 0-7, I-09042 Monserrato, Italy.4 aut |
| 700 | 1 | a Veledina, Alexandrau Stockholms universitet,KTH,Nordic Institute for Theoretical Physics NORDITA,Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland.;Stockholm Univ, Roslagstultsbacken 23, SE-10691 Stockholm, Sweden.;Russian Acad Sci, Space Res Inst, Profsoyuznaya Str 84-32, Moscow 117997, Russia.,Nordiska institutet för teoretisk fysik (Nordita),University of Turku, Finland; Space Research Institute of the Russian Academy of Sciences, Russia4 aut0 (Swepub:su)avele |
| 700 | 1 | a Del Santo, M.u IASF Palermo, Ist Nazl Astrofis, Via U La Malfa 153, I-90146 Palermo, Italy.4 aut |
| 700 | 1 | a Segreto, A.u IASF Palermo, Ist Nazl Astrofis, Via U La Malfa 153, I-90146 Palermo, Italy.4 aut |
| 710 | 2 | a Univ Turku, Finnish Ctr Astron ESO FINCH, FI-20014 Turku, Finland.b Univ Oxford, Dept Phys, Astrophys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England.4 org |
| 773 | 0 | t Monthly notices of the Royal Astronomical Societyd : OXFORD UNIV PRESSg 488:1, s. L18-L23q 488:1<L18-L23x 0035-8711x 1365-2966x 1745-3925x 1745-3933 |
| 856 | 4 | u https://doi.org/10.1093/mnrasl/slz089y Fulltext |
| 856 | 4 | u http://arxiv.org/pdf/1906.06519 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-259435 |
| 856 | 4 8 | u https://doi.org/10.1093/mnrasl/slz089 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-172971 |
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