SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class

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Fältnamn	Indikatorer	Metadata
000		04403naa a2200805 4500
001		oai:DiVA.org:su-191329
003		SwePub
008		210316s2021 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1913292 URI
024	7	a https://doi.org/10.1093/mnras/staa35432 DOI
040		a (SwePub)su
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Barna, Barnabas4 aut
245	1 0	a SN 2019muj-a well-observed Type Iax supernova that bridges the luminosity gap of the class
264		c 2020-11-13
264	1	b Oxford University Press (OUP),c 2021
338		a print2 rdacarrier
520		a We present early-time (t < +50 d) observations of SN 2019muj (=ASASSN-19tr), one of the best-observed members of the peculiar SN Iax class. Ultraviolet and optical photometric and optical and near-infrared spectroscopic follow-up started from similar to 5 d before maximum light [t(max)(B) on 58707.8 MJD] and covers the photospheric phase. The early observations allow us to estimate the physical properties of the ejecta and characterize the possible divergence from a uniform chemical abundance structure. The estimated bolometric light-curve peaks at 1.05 x 10(42) erg s(-1) and indicates that only 0.031 M-circle dot of Ni-56 was produced, making SN 2019muj a moderate luminosity object in the Iax class with peak absolute magnitude of M-V = -16.4 mag. The estimated date of explosion is t(0) = 58698.2 MJD and implies a short rise time of t(rise) = 9.6 d in B band. We fit of the spectroscopic data by synthetic spectra, calculated via the radiative transfer code TARDIS. Adopting the partially stratified abundance template based on brighter SNe Iax provides a good match with SN 2019muj. However, without earlier spectra, the need for stratification cannot be stated in most of the elements, except carbon, which is allowed to appear in the outer layers only. SN 2019muj provides a unique opportunity to link extremely low-luminosity SNe Iax to well-studied, brighter SNe Iax.
650	7	a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng
653		a supernovae: general
653		a supernovae: individual: SN 2019muj (ASASSN-19tr)
700	1	a Szalai, Tamas4 aut
700	1	a Jha, Saurabh W.4 aut
700	1	a Camacho-Neves, Yssavo4 aut
700	1	a Kwok, Lindsey4 aut
700	1	a Foley, Ryan J.4 aut
700	1	a Kilpatrick, Charles D.4 aut
700	1	a Coulter, David A.4 aut
700	1	a Dimitriadis, Georgios4 aut
700	1	a Rest, Armin4 aut
700	1	a Rojas-Bravo, Cesar4 aut
700	1	a Siebert, Matthew R.4 aut
700	1	a Brown, Peter J.4 aut
700	1	a Burke, Jamison4 aut
700	1	a Gonzalez, Estefania Padilla4 aut
700	1	a Hiramatsu, Daichi4 aut
700	1	a Howell, D. Andrew4 aut
700	1	a McCully, Curtis4 aut
700	1	a Pellegrino, Craig4 aut
700	1	a Dobson, Matthew4 aut
700	1	a Smartt, Stephen J.4 aut
700	1	a Swift, Jonathan J.4 aut
700	1	a Stacey, Holland4 aut
700	1	a Rahman, Mohammed4 aut
700	1	a Sand, David J.4 aut
700	1	a Andrews, Jennifer4 aut
700	1	a Wyatt, Samuel4 aut
700	1	a Hsiao, Eric Y.4 aut
700	1	a Anderson, Joseph P.4 aut
700	1	a Chen, Ting-Wanu Stockholms universitet,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)4 aut0 (Swepub:su)jach1916
700	1	a Della Valle, Massimo4 aut
700	1	a Galbany, Lluis4 aut
700	1	a Gromadzki, Mariusz4 aut
700	1	a Inserra, Cosimo4 aut
700	1	a Lyman, Joe4 aut
700	1	a Magee, Mark4 aut
700	1	a Maguire, Kate4 aut
700	1	a Mueller-Bravo, Tomas E.4 aut
700	1	a Nicholl, Matt4 aut
700	1	a Srivastav, Shubham4 aut
700	1	a Williams, Steven C.4 aut
710	2	a Stockholms universitetb Institutionen för astronomi4 org
773	0	t Monthly notices of the Royal Astronomical Societyd : Oxford University Press (OUP)g 501:1, s. 1078-1099q 501:1<1078-1099x 0035-8711x 1365-2966
856	4	u http://real.mtak.hu/131343/1/2011.03068.pdf
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-191329
856	4 8	u https://doi.org/10.1093/mnras/staa3543

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Av författaren/redakt...: Barna, Barnabas; Szalai, Tamas; Jha, Saurabh W.; Camacho-Neves, Y ...; Kwok, Lindsey; Foley, Ryan J.; visa fler...; Kilpatrick, Char ...; Coulter, David A ...; Dimitriadis, Geo ...; Rest, Armin; Rojas-Bravo, Ces ...; Siebert, Matthew ...; Brown, Peter J.; Burke, Jamison; Gonzalez, Estefa ...; Hiramatsu, Daich ...; Howell, D. Andre ...; McCully, Curtis; Pellegrino, Crai ...; Dobson, Matthew; Smartt, Stephen ...; Swift, Jonathan ...; Stacey, Holland; Rahman, Mohammed; Sand, David J.; Andrews, Jennife ...; Wyatt, Samuel; Hsiao, Eric Y.; Anderson, Joseph ...; Chen, Ting-Wan; Della Valle, Mas ...; Galbany, Lluis; Gromadzki, Mariu ...; Inserra, Cosimo; Lyman, Joe; Magee, Mark; Maguire, Kate; Mueller-Bravo, T ...; Nicholl, Matt; Srivastav, Shubh ...; Williams, Steven ...; visa färre...

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