HD 53367

A visual band light curve for V750 Monocerotis, adapted from Pogodin et al. (2006)[1]
Observation data
Epoch J2000      Equinox J2000
Constellation Monoceros
HD 53367A
Right ascension 07h 04m 25.5311s[2]
Declination −10° 27′ 15.753″[2]
Apparent magnitude (V) 7.36[3]
HD 53367B
Right ascension 07h 04m 25.4868s[4]
Declination −10° 27′ 15.400″[4]
Apparent magnitude (V) 8.41[3]
Characteristics
HD 53367A
Spectral type B0IV/Ve[5]
HD 53367B
Spectral type B1Ve[6]
Astrometry
HD 53367A
Proper motion (μ) RA: −3.741[2] mas/yr
Dec.: +1.772[2] mas/yr
Parallax (π)0.8199 ± 0.2114 mas[2]
Distance990±50[7] pc
Orbit[7]
PrimaryHD 53367Aa
CompanionHD 53367Ab
Period (P)367.7 d
Semi-major axis (a)2.6 - 2.7 mas
Eccentricity (e)0.5
Inclination (i)53.6 - 55.3°
Semi-amplitude (K1)
(primary)		20.3 km/s
Details[7]
HD 53367Aa
Mass12.19±2.18 M☉
Radius4.2 - 4.3 R☉
Luminosity11,000 L☉
Surface gravity (log g)4.25 - 4.27 cgs
Temperature28,400 - 28,600 K
HD 53367Ab
Mass4.90±0.52 M☉
Radius2.5 - 8.0 R☉
Luminosity377 - 513 L☉
Surface gravity (log g)3.32 - 4.34 cgs
Temperature9,000 - 17,500 K
Age0.7±0.2 Myr
Other designations
BD−10 1848, HD 53367, HIP 34116, SAO 152320, GSC 05385-02103, V750 Mon, 2MASS J07042551-1027156[8]
Database references
SIMBADdata

HD 53367 is a triple star system in the constellation of Monoceros. The primary star was identified as a variable Herbig Ae/Be star in 1989.[6] Its companion, spectroscopically discovered in 2006, is a pre-main-sequence star star with an average separation of 1.7 AU.[1] The star system is embedded in the extended nebula IC 2177.

The binary HD 53367A is part of the hierarchical triple star system RST 3489, with an additional Herbig Ae/Be star HD 53367B of spectral class B1Ve at a projected separation of 0.6″. All stars in the system belong to the star-forming CMa OB1 association.[6] The Hipparcos,[9] Gaia Data Release 2,[10] and Gaia Data Release 3[2] parallax values for HD 53367A are highly discrepant, but the system is thought to be about 1,000 parsecs away.[11][7]

Extended nebula

HD 53367 lies at the centre of IC 2177

HD 53367A is a very young and gas-rich system, with most of the gas still obscuring the secondary component HD 53367Ab.[1]

References

  1. 1 2 3 Pogodin, M. A.; Malanushenko, V. P.; Kozlova, O. V.; Tarasova, T. N.; Franco, G. A. P. (2006). "The Herbig B0e star HD 53367: Circumstellar activity and evidence of binarity". Astronomy and Astrophysics. 452 (2): 551. Bibcode:2006A&A...452..551P. doi:10.1051/0004-6361:20053704.
  2. 1 2 3 4 5 6 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. 1 2 Fabricius, C; Høg, E; Makarov, V. V; Mason, B. D; Wycoff, G. L; Urban, S. E (2002). "The Tycho double star catalogue". Astronomy and Astrophysics. 384: 180–189. Bibcode:2002A&A...384..180F. doi:10.1051/0004-6361:20011822.
  4. 1 2 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.
  5. ↑ Tjin A Djie, H. R. E.; et al. (August 2001). "The stellar composition of the star formation region CMa R1 - II. Spectroscopic and photometric observations of nine young stars". Monthly Notices of the Royal Astronomical Society. 325 (4): 1441–1457. arXiv:astro-ph/0103349. Bibcode:2001MNRAS.325.1441T. doi:10.1046/j.1365-8711.2001.04541.x. S2CID 117112792.
  6. 1 2 3 Halbedel, Elaine M. (1989). "Photometry of Three Herbig be Stars: HD 53367, HD 200775, and HD 259431". Publications of the Astronomical Society of the Pacific. 101: 1004. Bibcode:1989PASP..101.1004H. doi:10.1086/132567. S2CID 119992761.
  7. 1 2 3 4 Zarrilli, Sebastian A.; Kraus, Stefan; Kreplin, Alexander; Monnier, John D.; Gardner, Tyler; Mérand, Antoine; Morrell, Sam; Davies, Claire L.; Labdon, Aaron; Ennis, Jacob; Setterholm, Benjamin; Le Bouquin, Jean-Baptiste; Anugu, Narsireddy; Lanthermann, Cyprien; Schaefer, Gail; Ten Brummelaar, Theo (2022). "Characterising the orbit and circumstellar environment of the high-mass binary MWC 166 A". Astronomy and Astrophysics. 665: A146. arXiv:2207.02836. Bibcode:2022A&A...665A.146Z. doi:10.1051/0004-6361/202243957. S2CID 250311299.
  8. ↑ "HD 53367". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 30 March 2021.
  9. ↑ Van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. S2CID 18759600.
  10. ↑ Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  11. ↑ Siebenmorgen, R.; Scicluna, P.; Krełowski, J. (2018), "Far-infrared emission of massive stars", Astronomy & Astrophysics, 620: A32, arXiv:1809.06658, Bibcode:2018A&A...620A..32S, doi:10.1051/0004-6361/201833546, S2CID 119202458
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