Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg
We present the BV light curves analysis of late-type, long-period stars 29 Dra, 12 Cam for the season 2005/2006, and shorter-period star II Peg for the same season. High latitude spots (alternatively spot configuration) cooler than surrounding photosphere were able to explain the light curves. The I...
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Format: | Article |
Language: | English |
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Astronomical Observatory, Department of Astronomy, Belgrade
2007-01-01
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Series: | Serbian Astronomical Journal |
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Online Access: | http://www.doiserbia.nb.rs/img/doi/1450-698X/2007/1450-698X0775051Z.pdf |
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author | Zboril M. |
author_facet | Zboril M. |
author_sort | Zboril M. |
collection | DOAJ |
description | We present the BV light curves analysis of late-type, long-period stars 29 Dra, 12 Cam for the season 2005/2006, and shorter-period star II Peg for the same season. High latitude spots (alternatively spot configuration) cooler than surrounding photosphere were able to explain the light curves. The II Peg colour- index shift in H-R diagram is probably a consequence of stellar metallicity. Other associated mechanisms are briefly discussed. |
first_indexed | 2024-12-21T21:18:04Z |
format | Article |
id | doaj.art-5299efb4d40a461d93a6737d1577297d |
institution | Directory Open Access Journal |
issn | 1450-698X 1820-9289 |
language | English |
last_indexed | 2024-12-21T21:18:04Z |
publishDate | 2007-01-01 |
publisher | Astronomical Observatory, Department of Astronomy, Belgrade |
record_format | Article |
series | Serbian Astronomical Journal |
spelling | doaj.art-5299efb4d40a461d93a6737d1577297d2022-12-21T18:49:58ZengAstronomical Observatory, Department of Astronomy, BelgradeSerbian Astronomical Journal1450-698X1820-92892007-01-012007175515610.2298/SAJ0775051Z1450-698X0775051ZMonitoring active stars 29 Dra, 12 Cam and colour excess of II PegZboril M.0Astronomical Institute, Tatranska Lomnica, SlovakiaWe present the BV light curves analysis of late-type, long-period stars 29 Dra, 12 Cam for the season 2005/2006, and shorter-period star II Peg for the same season. High latitude spots (alternatively spot configuration) cooler than surrounding photosphere were able to explain the light curves. The II Peg colour- index shift in H-R diagram is probably a consequence of stellar metallicity. Other associated mechanisms are briefly discussed.http://www.doiserbia.nb.rs/img/doi/1450-698X/2007/1450-698X0775051Z.pdfstars: late typestarspotsstars individual: 29 Dra12 CamII Peg |
spellingShingle | Zboril M. Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg Serbian Astronomical Journal stars: late type starspots stars individual: 29 Dra 12 Cam II Peg |
title | Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg |
title_full | Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg |
title_fullStr | Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg |
title_full_unstemmed | Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg |
title_short | Monitoring active stars 29 Dra, 12 Cam and colour excess of II Peg |
title_sort | monitoring active stars 29 dra 12 cam and colour excess of ii peg |
topic | stars: late type starspots stars individual: 29 Dra 12 Cam II Peg |
url | http://www.doiserbia.nb.rs/img/doi/1450-698X/2007/1450-698X0775051Z.pdf |
work_keys_str_mv | AT zborilm monitoringactivestars29dra12camandcolourexcessofiipeg |