HD 153370

Last updated
HD 153370
Observation data
Epoch J2000       Equinox J2000
Constellation Ara [1]
Right ascension 17h 01m 46.35181s [2]
Declination −51° 07′ 51.7016″ [2]
Apparent magnitude  (V)6.45 [3] (7.23 + 7.27) [4]
Characteristics
Spectral type A7V [5]
B−V color index +0.27 [3]
Astrometry
Radial velocity (Rv)−27.90±1.78 [6] km/s
Proper motion (μ)RA: −10.62 [2] mas/yr
Dec.: −45.64 [2] mas/yr
Parallax (π)9.57±0.86  mas [2]
Distance 340 ± 30  ly
(104 ± 9  pc)
Absolute magnitude  (MV)+1.36 [1]
Orbit [4]
Period (P)62.29 yr
Semi-major axis (a)0.2550″
Eccentricity (e)0.67
Details
A
Mass 2.3 [7]   M☉
B
Mass 2.1 [7]   M☉
Other designations
CD−50°10955, HD 153370, HIP 83321, HR 6312, SAO 244370
Database references
SIMBAD data

HD 153370 is binary star in the southern constellation of Ara.

References

  1. 1 2 Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters . 38 (5): 331. arXiv: 1108.4971 . Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. XHIP record for this object at VizieR.
  2. 1 2 3 4 5 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
  3. 1 2 Nicolet, B. (1978), "Photoelectric photometric Catalogue of homogeneous measurements in the UBV System", Astronomy and Astrophysics Supplement Series, 34: 1–49, Bibcode:1978A&AS...34....1N
  4. 1 2 Malkov, O. Yu.; et al. (2012), "Dynamical Masses of a Selected Sample of Orbital Binaries", Astronomy & Astrophysics, 546: 5, Bibcode:2012A&A...546A..69M, doi: 10.1051/0004-6361/201219774 , A69
  5. ↑ Evans, D. S.; et al. (1964), "Fundamental data for southern stars (fifth list)", Royal Observatory Bulletins. Series E, 85 (85): 207–224, Bibcode:1964RGOB...85..207E
  6. ↑ 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): 889–896, arXiv: 0705.0878 , Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776, S2CID   119323941
  7. 1 2 Tokovinin, Andrei (2016). "New Orbits Based on Speckle Interferometry at SOAR". The Astronomical Journal. 152 (5): 138. arXiv: 1608.01242 . Bibcode:2016AJ....152..138T. doi: 10.3847/0004-6256/152/5/138 .


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