IUE observations of V Sagittae
Observations of the nova-like variable V Sge are discussed, and the ground-based light curve is analyzed, compensating for the component interaction effect. Low-dispersion IUE spectra indicate that interstellar reddening is smaller than suggested from visible-band observations. The UV and visible co...
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| Veröffentlicht in: | The Astrophysical journal 1986-07, Vol.306 (2), p.618-628 |
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| container_end_page | 628 |
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| container_issue | 2 |
| container_start_page | 618 |
| container_title | The Astrophysical journal |
| container_volume | 306 |
| creator | Koch, R. H. Corcoran, M. F. Holenstein, B. D. Mccluskey, G. E., Jr |
| description | Observations of the nova-like variable V Sge are discussed, and the ground-based light curve is analyzed, compensating for the component interaction effect. Low-dispersion IUE spectra indicate that interstellar reddening is smaller than suggested from visible-band observations. The UV and visible continuum are modeled by a He-rich model and by a simple accretion disk, and the UV spectrum emission lines are used to determine ionization temperatures and a lower N(e) limit. The present data are consistent with the picture of the companion to the He star being embedded in an accretion disk, with the disk being large (of dimension comparable to that of the embedding Roche lobe as a result of vigorous mass transfer) at the time of the ground-based data, and with the disk having been diminished to a radius of the order of 200 times of the neutron star, at the time of the IUE spectra. |
| doi_str_mv | 10.1086/164371 |
| format | Article |
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The present data are consistent with the picture of the companion to the He star being embedded in an accretion disk, with the disk being large (of dimension comparable to that of the embedding Roche lobe as a result of vigorous mass transfer) at the time of the ground-based data, and with the disk having been diminished to a radius of the order of 200 times of the neutron star, at the time of the IUE spectra.</description><identifier>ISSN: 0004-637X</identifier><identifier>EISSN: 1538-4357</identifier><identifier>DOI: 10.1086/164371</identifier><identifier>CODEN: ASJOAB</identifier><language>eng</language><publisher>Legacy CDMS: University of Chicago Press</publisher><subject>Astronomy ; Astrophysics ; Earth, ocean, space ; Exact sciences and technology ; Novae, dwarf novae, recurrent novae, and other cataclysmic (eruptive) variables ; Stars ; Variable and peculiar stars (including novae)</subject><ispartof>The Astrophysical journal, 1986-07, Vol.306 (2), p.618-628</ispartof><rights>1987 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c203t-c97899c1c913d75cdbb61c4d4b3e5668490986e6eeac622b53e2deb122a8f753</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8006506$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Koch, R. 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The present data are consistent with the picture of the companion to the He star being embedded in an accretion disk, with the disk being large (of dimension comparable to that of the embedding Roche lobe as a result of vigorous mass transfer) at the time of the ground-based data, and with the disk having been diminished to a radius of the order of 200 times of the neutron star, at the time of the IUE spectra.</description><subject>Astronomy</subject><subject>Astrophysics</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Novae, dwarf novae, recurrent novae, and other cataclysmic (eruptive) variables</subject><subject>Stars</subject><subject>Variable and peculiar stars (including novae)</subject><issn>0004-637X</issn><issn>1538-4357</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><recordid>eNo9z01LAzEQBuAgCq5Vf4HIHsTb1nxOkqOUagsFD1bxFibZrKzU3ZIsgv--W1Y8DcM8vMxLyDWjc0YNPDCQQrMTUjAlTCWF0qekoJTKCoT-OCcXOX8dV25tQW7Xb8uy9zmmHxzavstl35Tv5St-tsOA8ZKcNbjL8epvzsj2abldrKrNy_N68bipAqdiqILVxtrAgmWi1irU3gMLspZeRAVgpKXWQIQYMQDnXonI6-gZ52garcSM3E-xIfU5p9i4fWq_Mf06Rt2xlJtKjfBugnvMAXdNwi60-V8bSkFRGNnNxDrM6LohZcfGB8ar4MDFAbLpURk</recordid><startdate>19860715</startdate><enddate>19860715</enddate><creator>Koch, R. 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E., Jr</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>IUE observations of V Sagittae</atitle><jtitle>The Astrophysical journal</jtitle><date>1986-07-15</date><risdate>1986</risdate><volume>306</volume><issue>2</issue><spage>618</spage><epage>628</epage><pages>618-628</pages><issn>0004-637X</issn><eissn>1538-4357</eissn><coden>ASJOAB</coden><abstract>Observations of the nova-like variable V Sge are discussed, and the ground-based light curve is analyzed, compensating for the component interaction effect. Low-dispersion IUE spectra indicate that interstellar reddening is smaller than suggested from visible-band observations. The UV and visible continuum are modeled by a He-rich model and by a simple accretion disk, and the UV spectrum emission lines are used to determine ionization temperatures and a lower N(e) limit. The present data are consistent with the picture of the companion to the He star being embedded in an accretion disk, with the disk being large (of dimension comparable to that of the embedding Roche lobe as a result of vigorous mass transfer) at the time of the ground-based data, and with the disk having been diminished to a radius of the order of 200 times of the neutron star, at the time of the IUE spectra.</abstract><cop>Legacy CDMS</cop><pub>University of Chicago Press</pub><doi>10.1086/164371</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0004-637X |
| ispartof | The Astrophysical journal, 1986-07, Vol.306 (2), p.618-628 |
| issn | 0004-637X 1538-4357 |
| language | eng |
| recordid | cdi_crossref_primary_10_1086_164371 |
| source | NASA Technical Reports Server; Alma/SFX Local Collection |
| subjects | Astronomy Astrophysics Earth, ocean, space Exact sciences and technology Novae, dwarf novae, recurrent novae, and other cataclysmic (eruptive) variables Stars Variable and peculiar stars (including novae) |
| title | IUE observations of V Sagittae |
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