1999A&A...350..566B


Query : 1999A&A...350..566B

1999A&A...350..566B - Astronomy and Astrophysics, volume 350, 566-570 (1999/10-2)

Long-term changes of the Be star OT Geminorum.

BOZIC H., RUZDJAK D. and SUDAR D.

Abstract (from CDS):

We investigate the character of light variability of the bright Be star OT Gem . Two phases of the long-term light changes were distinguished: (o) a quiet phase which is characterized by mild light changes; and (o) an active phase in which the sudden increases of brightness up to 0.4mag in V occur. During the active phases, a cyclic oscillation of brightness of a period between 70 and 80 days is present, with the most probable value being 71.89d. A positive correlation was found between the light and colour variations and the emission strength in both phases.

Abstract Copyright:

Journal keyword(s): stars: variables: general - stars: individual: OT Gem - stars: emission-line, Be

VizieR on-line data: <Available at CDS (J/A+A/350/566): table3.dat>

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 * omi Cas Be* 00 44 43.5186650 +48 17 03.713573 3.91 4.44 4.50 4.45 4.50 B5IIIe 274 0
2 * ome CMa Be* 07 14 48.6538664 -26 46 21.609714 2.90 3.64 3.82 3.80 3.90 B2.5Ve 340 0
3 HD 58050 Be* 07 24 27.6487438296 +15 31 01.908288624 5.39 6.23 6.41     B2Ve 123 0
4 HD 59059 * 07 28 47.2558472952 +15 06 35.365121100 6.06 6.17 6.22     B9IV 41 0
5 * d04 Pup Be* 07 39 57.9910948536 -37 34 45.927401196 5.50 5.944 5.996     B5IV 72 0
6 NGC 2451 Cl* 07 45.4 -37 58           ~ 155 1
7 * 4 Her Be* 15 55 30.5919435384 +42 33 58.291421364 5.23 5.64 5.75   5.82 B9pe 173 0
8 HD 192685 Be* 20 15 15.8954222 +25 35 31.054895   4.584 4.753     B3V 135 0

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2022.05.28-06:03:42

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