Indirect imaging of the accretion stream in eclipsing polars — IV. V895 Cen
We present spectroscopic and high-speed photometric data of the eclipsing polar V895 Cen. We find that the eclipsed component is consistent with it being the accretion regions on the white dwarf. This is in contrast to Stobie et al. who concluded that the eclipsed component was not the white dwarf....
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| Veröffentlicht in: | Monthly notices of the Royal Astronomical Society 2002-04, Vol.331 (2), p.488-494 |
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| container_end_page | 494 |
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| container_title | Monthly notices of the Royal Astronomical Society |
| container_volume | 331 |
| creator | Salvi, Nikita Ramsay, Gavin Cropper, Mark Buckley, D. A. H. Stobie, R. S. |
| description | We present spectroscopic and high-speed photometric data of the eclipsing polar V895 Cen. We find that the eclipsed component is consistent with it being the accretion regions on the white dwarf. This is in contrast to Stobie et al. who concluded that the eclipsed component was not the white dwarf. Further, we find no evidence for an accretion disc in our data. From our Doppler tomography results, we find that the white dwarf has M≳0.7 M⊙. Our indirect imaging of the accretion stream suggests that the stream is brightest close to the white dwarf. When we observed V895 Cen in its highest accretion state, emission was concentrated along field lines leading to the upper pole. There is no evidence for enhanced emission at the magnetic coupling region. |
| doi_str_mv | 10.1046/j.1365-8711.2002.05216.x |
| format | Article |
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When we observed V895 Cen in its highest accretion state, emission was concentrated along field lines leading to the upper pole. 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There is no evidence for enhanced emission at the magnetic coupling region.</description><subject>accretion</subject><subject>accretion discs</subject><subject>accretion, accretion discs</subject><subject>binaries: eclipsing</subject><subject>cataclysmic variables</subject><subject>novae</subject><subject>novae, cataclysmic variables</subject><subject>stars: individual: V895 Cen</subject><subject>stars: magnetic fields</subject><issn>0035-8711</issn><issn>1365-2966</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqNkEtOwzAQQC0EEqVwB6_YJfjvZMEClU8rFRBfITaWcSfgkibFTkW74xCckJPQEMSalUfyeyPNQwhTklIi1ME0pVzJJNOUpowQlhLJqEqXG6j388FypTZRjxDeQdtoJ8YpIURwpnrofFRNfADXYD-zz756xnWBmxfA1rkAja8rHJsAdoZ9hcGVfh5baF6XNkT89fGJR_cpvs9yiQdQ7aKtwpYR9n7fPro7PbkdDJPx5dlocDROnOBEJYJLaq3VQoonVUwmSguXC6XZkygoz6AgmjCirRMid5qDylwuKddApdNAJryP9ru981C_LSA2Zuajg7K0FdSLaJiWKsu4WoNZB7pQxxigMPOwPjSsDCWm7Wemps1k2jSm7Wd--pnlWj3s1Hdfwurfnjm_uG6ntZ90vo8NLP98G16N0lxLM3x4NMen1-zmapwZzr8BUJSEOQ</recordid><startdate>20020401</startdate><enddate>20020401</enddate><creator>Salvi, Nikita</creator><creator>Ramsay, Gavin</creator><creator>Cropper, Mark</creator><creator>Buckley, D. 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Soc</addtitle><date>2002-04-01</date><risdate>2002</risdate><volume>331</volume><issue>2</issue><spage>488</spage><epage>494</epage><pages>488-494</pages><issn>0035-8711</issn><eissn>1365-2966</eissn><abstract>We present spectroscopic and high-speed photometric data of the eclipsing polar V895 Cen. We find that the eclipsed component is consistent with it being the accretion regions on the white dwarf. This is in contrast to Stobie et al. who concluded that the eclipsed component was not the white dwarf. Further, we find no evidence for an accretion disc in our data. From our Doppler tomography results, we find that the white dwarf has M≳0.7 M⊙. Our indirect imaging of the accretion stream suggests that the stream is brightest close to the white dwarf. When we observed V895 Cen in its highest accretion state, emission was concentrated along field lines leading to the upper pole. 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| ispartof | Monthly notices of the Royal Astronomical Society, 2002-04, Vol.331 (2), p.488-494 |
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| language | eng |
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| source | Oxford Journals Open Access Collection; Wiley Online Library Journals Frontfile Complete |
| subjects | accretion accretion discs accretion, accretion discs binaries: eclipsing cataclysmic variables novae novae, cataclysmic variables stars: individual: V895 Cen stars: magnetic fields |
| title | Indirect imaging of the accretion stream in eclipsing polars — IV. V895 Cen |
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