HD 153370

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

HD 153370
Observation data
Epoch J2000      Equinox J2000
Constellation Ara
Right ascension 17h 01m 46.35181s[1]
Declination −51° 07′ 51.7016″[1]
Apparent magnitude (V) 6.45[2] (7.23 + 7.27)[3]
Characteristics
Spectral type A7V[4]
B−V color index +0.27[2]
Astrometry
Radial velocity (Rv)−27.90±1.78[5] km/s
Proper motion (μ) RA: −10.62[1] mas/yr
Dec.: −45.64[1] mas/yr
Parallax (π)9.57 ± 0.86 mas[1]
Distance340 ± 30 ly
(104 ± 9 pc)
Orbit[3]
Period (P)62.29 yr
Semi-major axis (a)0.2550″
Eccentricity (e)0.67
Details
Luminosity22.5[6] L☉
Temperature7,246[6] K
Other designations
CD-50° 10955, HD 153370, HIP 83321, HR 6312, SAO 244370.
Database references
SIMBADdata

References
  1. 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
  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
  3. 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
  4. 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
  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): 889–896, arXiv:0705.0878, Bibcode:2007AN....328..889K, doi:10.1002/asna.200710776, S2CID 119323941
  6. McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID 118665352


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