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Article: New Hubble Space Telescope observations of high-velocity Lyα and Hα in SNR 1987A

TitleNew Hubble Space Telescope observations of high-velocity Lyα and Hα in SNR 1987A
Authors
Michael, EMccray, RPun, CSJBorkowski, KGarnavich, PChallis, PKirshner, RPChevalier, RFilippenko, AVFransson, CPanagia, NPhillips, MSchmidt, BSuntzeff, NWheeler, JC
KeywordsCircumstellar Matter
Shocks
Supernova Remnants
Issue Date1998
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/2041-8205
Citation
Astrophysical Journal Letters, 1998, v. 509 n. 2 PART 2, p. L117-L120 How to Cite?
AbstractWe describe and model high-velocity (≈15,000 km s -1) Lyα and Hα emission from the supernova remnant SNR 1987A seen in 1997 September and October with the Space Telescope Imaging Spectrograph. Part of this emission comes from a reverse shock located at ≈75% of the radius of the inner boundary of the inner circumstellar ring and confined within ± 30° of the equatorial plane. Departure from axisymmetry in the Lyα and Hα emission correlates with that seen in nonthermal radio emission and reveals an asymmetry in the circumstellar gas distribution. We also see diffuse high-velocity Lyα emission from supernova debris inside the reverse shock that may be due to excitation by nonthermal particles accelerated by the shock.
Persistent Identifierhttp://hdl.handle.net/10722/175105
ISSN
2041-8205
2023 Impact Factor: 8.8
2023 SCImago Journal Rankings: 2.766
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorMichael, Een_US
dc.contributor.authorMccray, Ren_US
dc.contributor.authorPun, CSJen_US
dc.contributor.authorBorkowski, Ken_US
dc.contributor.authorGarnavich, Pen_US
dc.contributor.authorChallis, Pen_US
dc.contributor.authorKirshner, RPen_US
dc.contributor.authorChevalier, Ren_US
dc.contributor.authorFilippenko, AVen_US
dc.contributor.authorFransson, Cen_US
dc.contributor.authorPanagia, Nen_US
dc.contributor.authorPhillips, Men_US
dc.contributor.authorSchmidt, Ben_US
dc.contributor.authorSuntzeff, Nen_US
dc.contributor.authorWheeler, JCen_US
dc.date.accessioned2012-11-26T08:49:14Z-
dc.date.available2012-11-26T08:49:14Z-
dc.date.issued1998en_US
dc.identifier.citationAstrophysical Journal Letters, 1998, v. 509 n. 2 PART 2, p. L117-L120en_US
dc.identifier.issn2041-8205en_US
dc.identifier.urihttp://hdl.handle.net/10722/175105-
dc.description.abstractWe describe and model high-velocity (≈15,000 km s -1) Lyα and Hα emission from the supernova remnant SNR 1987A seen in 1997 September and October with the Space Telescope Imaging Spectrograph. Part of this emission comes from a reverse shock located at ≈75% of the radius of the inner boundary of the inner circumstellar ring and confined within ± 30° of the equatorial plane. Departure from axisymmetry in the Lyα and Hα emission correlates with that seen in nonthermal radio emission and reveals an asymmetry in the circumstellar gas distribution. We also see diffuse high-velocity Lyα emission from supernova debris inside the reverse shock that may be due to excitation by nonthermal particles accelerated by the shock.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.subjectShocksen_US
dc.subjectSupernova Remnantsen_US
dc.titleNew Hubble Space Telescope observations of high-velocity Lyα and Hα in SNR 1987Aen_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-s2.0-3743051827en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-3743051827&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume509en_US
dc.identifier.issue2 PART 2en_US
dc.identifier.spageL117en_US
dc.identifier.epageL120en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridMichael, E=7004899413en_US
dc.identifier.scopusauthoridMcCray, R=35954431900en_US
dc.identifier.scopusauthoridPun, CSJ=7003931846en_US
dc.identifier.scopusauthoridBorkowski, K=7005527694en_US
dc.identifier.scopusauthoridGarnavich, P=7006524172en_US
dc.identifier.scopusauthoridChallis, P=7004555495en_US
dc.identifier.scopusauthoridKirshner, RP=35277140000en_US
dc.identifier.scopusauthoridChevalier, R=7101871369en_US
dc.identifier.scopusauthoridFilippenko, AV=34568722000en_US
dc.identifier.scopusauthoridFransson, C=7004051800en_US
dc.identifier.scopusauthoridPanagia, N=35400629400en_US
dc.identifier.scopusauthoridPhillips, M=7402770160en_US
dc.identifier.scopusauthoridSchmidt, B=7402828523en_US
dc.identifier.scopusauthoridSuntzeff, N=7006255654en_US
dc.identifier.scopusauthoridWheeler, JC=7403110438en_US
dc.identifier.issnl2041-8205-

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