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  bet CMa  
000-BBL-105 (6 observations)  
Canis Major Sequence
06 22 41.98 -17 57 21.3  (95.67492 -17.95592) Search nearby
B1950.0 06 20 29.81 -17 55 46.9
Proper motion
RA: -3.23 +/- 0.19 mas/yDec: -0.78 +/- 0.20 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 226.060 -14.268
Other names

(Internal only)
2 CMa 1RXS J062242.0-175726 BD-17 1467
HD 44743 HIP 30324 HR 2294
IRC -20092 SAO 151428  
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Variability type
Spectral type B1II-III
Mag. range
1.97 - 2.00 V
Discoverer --
10 Dec 1971 (HJD 2441296.175) Ephemeris
Outburst --
Period 0.25130 d  (6.031 h)
Rise/eclipse dur. --
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1 Otero, Sebastian Alberto Also periods of 0.25003 and 0.23905 d. (2006A&A...459..589M).
2 GCVS Team In 1971 - 72 the observations were described by the combination of the tabulated elements (period P1) and the following systems of elements: Max = 2441296.0705 + 0.251300d*E, (P2); Max = 2441296.032 + 0.23904d*E, (P3); Max = 2441296.065 + 0.12501d*E, (P1/2); Max = 2441296.124 + 0.12565d*E, (P2/2). Beat periods: 49.198d, 5.442d, 4.900d. Since 1908 P1 increases, P2 decreases. 12 overtone and resonance periods were found in [A.van Hoof, ZsAp 56, 27, 1962.].
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1 Mazumdar, A.; Briquet, M.; Desmet, M.; Aerts, C., 2006, An asteroseismic
study of the β Cephei star β Canis Majoris
2 Perryman, M. A. C.; et al., 1997, The HIPPARCOS and TYCHO catalogues 1997HIP...C......0E
3 R.R.Shobbrook, MN 161, 257, 1973. 1973MNRAS.161..257S
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Revision History
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3 Otero, Sebastian Alberto 2016-04-20 16:01 UTC Period from 2006A&A...459..589M. Range from HIPPARCOS and GCPD data.
2 Admin, VSX 2010-01-04 23:43 UTC Position updated from the GCVS version of November 2009.
1 Admin, VSX 2005-12-17 20:33 UTC Initial upload.