Continuum Energy Distribution of Be Stars in the Optical Region

Tur, N. S.; Goraya, P. S.; Sharma, Sanjib

doi:10.1086/133614

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1998

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Cited by 5 publications

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“…OT Gem being a B2V star, its mass and radius can be respectively estimated as 10.3 ± 3.5 M and 6.0 ± 0.2 R (Underhill & Doazan 1982), the gravity as log g = 3.85 − 4.0 (Underhill & Doazan 1982;Singh & Chaubey 1987), and the effective temperature as 22500 K (Tur et al 1995). The v sin i is 130 km/s (Briot 1986;Slettebak 1994).…”

Section: Discussionmentioning

confidence: 99%

Monitoring the activity of the Be star OT Geminorum

Ferro

Sareyan

Avila

et al. 1998

Astron. Astrophys. Suppl. Ser.

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Abstract. Observations obtained in 1995-1996 of the Be star OT Geminorum are reported and show that in october 1995 the star reached a very active phase with large variations around a bright plateau, a phase of activity we have also distinguished in previous observations dating from 1960.The time scales involved are discussed and suggest that the violent variations of the activity propagate very quickly on the whole surface of the star or on a huge portion of it. No likely pulsation periods were found.The assumption that the detected activity is due to the effects of an hypothetical companion leads to conclude that such companion could not be detected by the present interferometric techniques.

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Section: Discussionmentioning

confidence: 99%