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Latest Details
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Name
  LS CMa  
AAVSO UID
000-BBM-256 (4 observations)  
Constellation
Canis Major Sequence
J2000.0
07 01 05.95 -25 12 56.3  (105.27479 -25.21564) Search nearby
B1950.0 06 59 02.58 -25 08 36.8
Proper motion
RA: -4.79 +/- 0.17 mas/yDec: 4.54 +/- 0.28 mas/ySource: F. Van Leeuwen, 2007
Galactic coord. 236.619 -9.226
Other names

(Internal only)
ASAS J070106-2512.9 CD-25 3911 CPD-25 1827
GSC 06527-03496 HD 52670 HIP 33804
HR 2640 PPM 251438 SAO 172763
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Variability type
EA+SPB
Spectral type B2V
Mag. range
5.63 - 5.79 V
Discoverer Hipparcos
Epoch
20 Dec 2007 (HJD 2454454.925) Ephemeris
Outburst --
Period 70.010 d
Rise/eclipse dur. 1.5%  (1.1 d)
Remarks
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1 Otero, Sebastian Alberto SPB variability with P= 1.6026 d. (2019CoSka..49..252R)
2 2002AcA....52..397P Eccentric system. Min II= 5.73 V at phase ~0.39. Apsidal motion. Period for Min I given. Min II elements: HJD 2448321.89 + 70.003 x E. Only non-saturated ASAS-3 data used.
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References
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1 Ratajczak, M.; Pigulski, A.; Pavlovski, K., 2019, Tracking massive pairs 2019CoSka..49..252R
2 Pojmanski, G., 2002, The All Sky Automated Survey 2002AcA....52..397P
3 European Space Agency, 1997, The Hipparcos and Tycho Catalogues, ESA
SP-1200		 1997yCat.1239....0E
External Links
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Catalog Data
Information from selected catalogs obtained by cross-matching to 2 arc seconds using the CDS X-Match Service. These data may not be complete.
2MASS J = 5.96H = 6.04K = 6.07J - K = -0.12
AllWISE W1 = 6.19W2 = 6.09W3 = 6.24W4 = 6.15W1 - W2 = 0.10W3 - W4 = 0.09
Images
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Supporting Documents
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Campaigns/Programs
 BRITE campaign
Revision History
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5 Otero, Sebastian Alberto 2021-08-20 05:52 UTC Type from 2019CoSka..49..252R.
4 Otero, Sebastian Alberto 2020-06-09 02:22 UTC Type, period, epoch, eclipse duration and range from ASAS-3, Hipparcos and Otero visual data. Gaia DR2 position.
3 Admin, VSX 2010-01-05 04:43 UTC Position updated from the GCVS version of November 2009.
2 Admin, VSX 2007-03-23 19:53 UTC Added spectral type from [1997yCat.1239....0E].
1 Admin, VSX 2005-12-18 01:33 UTC Initial database population.

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