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A reconnaissance of the possible donor stars to the Kepler supernova

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dc.contributor.authorKerzendorf, Wolfgang
dc.contributor.authorChildress, Michael
dc.contributor.authorScharwachter, Julia
dc.contributor.authorDo, Tuan
dc.contributor.authorSchmidt, Brian
dc.date.accessioned2015-12-10T23:32:39Z
dc.date.issued2014
dc.date.updated2015-12-10T11:21:08Z
dc.description.abstractThe identity of Type Ia supernova progenitors remains a mystery, with various lines of evidence pointing toward either accretion from a nondegenerate companion or the rapid merger of two degenerate stars leading to the thermonuclear destruction of a white dwarf. In this paper, we spectroscopically scrutinize 24 of the brightest stars residing in the central 38″ × 38″ of the SN 1604 (Kepler) supernova remnant to search for a possible surviving companion star. We can rule out, with high certainty, a red giant companion star - a progenitor indicated by some models of the supernova remnant. Furthermore, we find no star that exhibits properties uniquely consistent with those expected of a donor star down to L > 10 L . While the distribution of star properties toward the remnant are consistent with unrelated stars, we identify the most promising candidates for further astrometric and spectroscopic follow up. Such a program would either discover the donor star or place strong limits on progenitor systems to luminosities with L ≪ L .
dc.identifier.issn0004-637X
dc.identifier.urihttp://hdl.handle.net/1885/68926
dc.publisherIOP Publishing
dc.sourceAstrophysical Journal, The
dc.titleA reconnaissance of the possible donor stars to the Kepler supernova
dc.typeJournal article
local.bibliographicCitation.issue1
local.bibliographicCitation.lastpage7
local.bibliographicCitation.startpage1
local.contributor.affiliationKerzendorf, Wolfgang, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationChildress, Michael, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationScharwachter, Julia, Observatoire de Paris
local.contributor.affiliationDo, Tuan, University of Toronto
local.contributor.affiliationSchmidt, Brian, College of Physical and Mathematical Sciences, ANU
local.contributor.authoruidKerzendorf, Wolfgang, u4294536
local.contributor.authoruidChildress, Michael, u5151410
local.contributor.authoruidSchmidt, Brian, u9500253
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor020100 - ASTRONOMICAL AND SPACE SCIENCES
local.identifier.absfor020110 - Stellar Astronomy and Planetary Systems
local.identifier.ariespublicationU3488905xPUB1868
local.identifier.citationvolume782
local.identifier.doi10.1088/0004-637X/782/1/27
local.identifier.scopusID2-s2.0-84893071922
local.type.statusPublished Version

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