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Article: A Hubble Space Telescope ultraviolet spectrum of SN 1993J

TitleA Hubble Space Telescope ultraviolet spectrum of SN 1993J
Authors
KeywordsCircumstellar Matter
Stars: Atmospheres
Supernovae: Individual (Sn 1993J)
Ultraviolet: Stars
Issue Date1994
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 1994, v. 421 n. 1 PART 2, p. L27-L30 How to Cite?
AbstractWe obtained a Hubble Space Telescope ultraviolet spectrum of the Type II supernova SN 1993J in M81 on 1993 April 15. The ∼1650-2900 Å region is smoother than observed for SN 1987A and SN 1992A and lacks strong P Cygni absorptions caused by iron peak element lines. Synthetic spectra calculated using a parameterized LTE procedure and a simple model atmosphere do not fit the UV region. Radio observations suggest that SN 1993J is embedded in a thick circumstellar envelope. The UV spectra of other supernovae that are believed to have thick circumstellar envelopes also have ∼1650-2900 Å regions lacking in strong P Cygni absorptions. Interaction of supernova ejecta and circumstellar matter may cause the smooth UV spectrum. If so, UV observations of supernovae will provide insight into the circumstellar environment of the supernova progenitors.
Persistent Identifierhttp://hdl.handle.net/10722/174917
ISSN
2015 Impact Factor: 5.487
2015 SCImago Journal Rankings: 3.369

 

DC FieldValueLanguage
dc.contributor.authorJeffery, DJen_US
dc.contributor.authorKirshner, RPen_US
dc.contributor.authorChallis, PMen_US
dc.contributor.authorPun, CSJen_US
dc.contributor.authorFilippenko, AVen_US
dc.contributor.authorMatheson, Ten_US
dc.contributor.authorBranch, Den_US
dc.contributor.authorChevalier, RAen_US
dc.contributor.authorFransson, Cen_US
dc.contributor.authorPanagia, Nen_US
dc.contributor.authorWagoner, RVen_US
dc.contributor.authorWheeler, JCen_US
dc.contributor.authorClocchiatti, Aen_US
dc.date.accessioned2012-11-26T08:48:07Z-
dc.date.available2012-11-26T08:48:07Z-
dc.date.issued1994en_US
dc.identifier.citationAstrophysical Journal Letters, 1994, v. 421 n. 1 PART 2, p. L27-L30en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/174917-
dc.description.abstractWe obtained a Hubble Space Telescope ultraviolet spectrum of the Type II supernova SN 1993J in M81 on 1993 April 15. The ∼1650-2900 Å region is smoother than observed for SN 1987A and SN 1992A and lacks strong P Cygni absorptions caused by iron peak element lines. Synthetic spectra calculated using a parameterized LTE procedure and a simple model atmosphere do not fit the UV region. Radio observations suggest that SN 1993J is embedded in a thick circumstellar envelope. The UV spectra of other supernovae that are believed to have thick circumstellar envelopes also have ∼1650-2900 Å regions lacking in strong P Cygni absorptions. Interaction of supernova ejecta and circumstellar matter may cause the smooth UV spectrum. If so, UV observations of supernovae will provide insight into the circumstellar environment of the supernova progenitors.en_US
dc.languageengen_US
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205en_US
dc.relation.ispartofAstrophysical Journal Lettersen_US
dc.subjectCircumstellar Matteren_US
dc.subjectStars: Atmospheresen_US
dc.subjectSupernovae: Individual (Sn 1993J)en_US
dc.subjectUltraviolet: Starsen_US
dc.titleA Hubble Space Telescope ultraviolet spectrum of SN 1993Jen_US
dc.typeArticleen_US
dc.identifier.emailPun, CSJ: jcspun@hkucc.hku.hken_US
dc.identifier.authorityPun, CSJ=rp00772en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-12044257462en_US
dc.identifier.volume421en_US
dc.identifier.issue1 PART 2en_US
dc.identifier.spageL27en_US
dc.identifier.epageL30en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridJeffery, DJ=7005091285en_US
dc.identifier.scopusauthoridKirshner, RP=35277140000en_US
dc.identifier.scopusauthoridChallis, PM=7004555495en_US
dc.identifier.scopusauthoridPun, CSJ=7003931846en_US
dc.identifier.scopusauthoridFilippenko, AV=34568722000en_US
dc.identifier.scopusauthoridMatheson, T=7006957627en_US
dc.identifier.scopusauthoridBranch, D=7103272488en_US
dc.identifier.scopusauthoridChevalier, RA=7101871369en_US
dc.identifier.scopusauthoridFransson, C=7004051800en_US
dc.identifier.scopusauthoridPanagia, N=35400629400en_US
dc.identifier.scopusauthoridWagoner, RV=7006583269en_US
dc.identifier.scopusauthoridWheeler, JC=7403110438en_US
dc.identifier.scopusauthoridClocchiatti, A=6603881508en_US

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