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LS Canis Majoris

From Wikipedia, the free encyclopedia

LS Canis Majoris

A light curve for LS Canis Majoris from BRITE nanosatellite data, adapted from Ratajczak et al. (2019)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Canis Major
Right ascension 07h 01m 05.94626s[2]
Declination −25° 12′ 56.2817″[2]
Apparent magnitude (V) 5.63 – 5.79[3]
Characteristics
Spectral type B2/3III/IV[4]
Variable type Eclipsing binary[3]
Astrometry
Radial velocity (Rv)6.0[5] km/s
Proper motion (μ) RA: −4.638[2] mas/yr
Dec.: +5.332[2] mas/yr
Parallax (π)2.1591 ± 0.0613 mas[2]
Distance1,510 ± 40 ly
(460 ± 10 pc)
Absolute magnitude (MV)−2.04[6]
Other designations
LS CMa, CD−25°3911, HR 2640, HD 52670, HIP 33804, SAO 172763, GC 9253[7]
Database references
SIMBADdata

LS Canis Majoris is an eclipsing binary star located around 1,510 light years from Earth in the constellation Canis Major. Its apparent magnitude ranges from 5.63 to 5.79. The orbital period of binary pair and the period of light variation is 70.048 days.[1]

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Transcription

References

  1. ^ a b Ratajczak, M.; Pigulski, A.; Pavlovski, K. (May 2019). "Tracking massive pairs". Contributions of the Astronomical Observatory Skalnaté Pleso. 49 (2): 252–257. Bibcode:2019CoSka..49..252R. Retrieved 15 November 2021.
  2. ^ a b c d e Vallenari, A.; et al. (Gaia collaboration) (2023). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy and Astrophysics. 674: A1. arXiv:2208.00211. Bibcode:2023A&A...674A...1G. doi:10.1051/0004-6361/202243940. S2CID 244398875. Gaia DR3 record for this source at VizieR.
  3. ^ a b "LS CMa". International Variable Star Index. AAVSO. Retrieved 2022-08-29.
  4. ^ Houk, N.; Smith-Moore, M. (1988). "Catalogue of two-dimensional spectral types for the HD stars, Vol.4". Michigan Spectral Survey. 4. Bibcode:1988mcts.book.....H.
  5. ^ Kharchenko, N. V.; et al. (2007). "Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ~55000 stars and mean radial velocities of 516 Galactic open clusters and associations". Astronomische Nachrichten. 328 (9): 889. arXiv:0705.0878. Bibcode:2007AN....328..889K. doi:10.1002/asna.200710776. S2CID 119323941.
  6. ^ Melnik, A. M.; Dambis, A. K. (2020). "Distance scale for high-luminosity stars in OB associations and in field with Gaia DR2. Spurious systematic motions". Astrophysics and Space Science. 365 (7): 112. arXiv:2006.14649. Bibcode:2020Ap&SS.365..112M. doi:10.1007/s10509-020-03827-0. S2CID 220128144.
  7. ^ "LS Canis Majoris - Eclipsing Binary". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 2 March 2014.


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This page was last edited on 25 May 2023, at 01:57
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