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Sökning: WFRF:(Roy Rupak) > (2018) > Early formation of ...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003185naa a2200469 4500
001oai:DiVA.org:su-162990
003SwePub
008181212s2018 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1629902 URI
024a https://doi.org/10.1093/mnras/sty22552 DOI
040 a (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Banerjee, D. P. K.4 aut
2451 0a Early formation of carbon monoxide in the Centaurus A supernova SN 2016adj
264 c 2018-08-18
264 1b Oxford University Press (OUP),c 2018
338 a print2 rdacarrier
520 a We present near-infrared spectroscopy of the NGC 5128 supernova SN 2016adj in the first two months following discovery. We report the detection of first-overtone carbon monoxide emission at similar to 58.2 d after discovery, one of the earliest detections of CO in an erupting supernova. We model the CO emission to derive the CO mass, temperature, and velocity, assuming both pure (CO)-C-12 and a composition that includes (CO)-C-13; the case for the latter is the isotopic analyses of meteoritic grains, which suggest that core-collapse supernovae can synthesize significant amounts of C-13. Our models show that, while the CO data are adequately explained by pure (CO)-C-12, they do not preclude the presence of (CO)-C-13, to a limit of C-12/C-13 > 3, the first constraint on the C-12/C-13 ratio determined from near-infrared observations. We estimate the reddening to the object, and the effective temperature from the energy distribution at outburst. We discuss whether the ejecta of SN 2016adj may be carbon-rich, what the infrared data tell us about the classification of this supernova, and what implications the early formation of CO in supernovae may have for CO formation in supernovae in general.
650 7a NATURVETENSKAPx Fysikx Astronomi, astrofysik och kosmologi0 (SwePub)103052 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Astronomy, Astrophysics and Cosmology0 (SwePub)103052 hsv//eng
653 a techniques: spectroscopic
653 a supernovae: general
653 a supernovae: individual: SN 2016adj
653 a infrared: stars
700a Joshi, Vishal4 aut
700a Evans, A.4 aut
700a Srivastava, Mudit4 aut
700a Ashok, N. M.4 aut
700a Gehrz, R. D.4 aut
700a Connelley, M. S.4 aut
700a Geballe, T. R.4 aut
700a Spyromilio, J.4 aut
700a Rho, J.4 aut
700a Roy, Rupaku Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)rroy
710a Stockholms universitetb Institutionen för astronomi4 org
773t Monthly notices of the Royal Astronomical Societyd : Oxford University Press (OUP)g 481:1, s. 806-818q 481:1<806-818x 0035-8711x 1365-2966
856u https://academic.oup.com/mnras/article-pdf/481/1/806/25697535/sty2255.pdf
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-162990
8564 8u https://doi.org/10.1093/mnras/sty2255

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