HD 201298

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Coordinates: Sky map 21h 08m 28.14s, +06° 59′ 21.69″

HD 201298
Equuleus constellation map.svg
Red circle.svg
Location of HD 201298 (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Equuleus
Right ascension 21h 08m 28.14s[1]
Declination +06° 59′ 21.69″[1]
Apparent magnitude (V) 6.18[citation needed]
Characteristics
Spectral type M0III[2]
B−V color index 1.669±0.014[2]
Astrometry
Radial velocity (Rv)18.22±0.17[1] km/s
Proper motion (μ) RA: −10.403±0.154[1] mas/yr
Dec.: 2.818±0.155[1] mas/yr
Parallax (π)2.5918 ± 0.1038[1] mas
Distance1,260 ± 50 ly
(390 ± 20 pc)
Absolute magnitude (MV)-0.89 (self caculated)
Details
Radius80.78[3] R☉
Luminosity1,424.793[3] L☉
Temperature3,945.54[3] K
Other designations
HIP 104357, HR 8090, SAO 126566, BD+06° 4754
Database references
SIMBADdata


HD 201298 (HR 8090) is a star located in the northern constellation of Equuleus just next to 3 Equulei With an apparent magnitude of 6.14, it's barely visible to the naked eye. HD 201298 is currently located 1,260 light years away from the Solar System based on parallax, but is drifting away with a radial velocity of 18,22 km/s.

Properties[]

This is an aging M-type star with a classification of M0III. It has expanded to 80.78 times the Sun's girth, and radiates at 1,424 solar luminosities. With an effective temperature of 3,945 K, HD 201298 has a red-hue when viewed in the night sky.

References[]

  1. ^ Jump up to: a b c d e 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.
  2. ^ Jump up to: a b Anderson, E.; Francis, Ch. (2012-05-01). "XHIP: An extended hipparcos compilation". Astronomy Letters. 38 (5): 331–346. arXiv:1108.4971. Bibcode:2012AstL...38..331A. doi:10.1134/S1063773712050015. ISSN 1063-7737. S2CID 119257644.
  3. ^ Jump up to: a b c Gaia Collaboration; Brown, A. G. A.; Vallenari, A.; Prusti, T.; de Bruijne, J. H. J.; Babusiaux, C.; Bailer-Jones, C. A. L.; Biermann, M.; Evans, D. W.; Eyer, L.; Jansen, F. (2018-08-01). "Gaia Data Release 2. Summary of the contents and survey properties". Astronomy and Astrophysics. 616: A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. hdl:2445/140475. ISSN 0004-6361. S2CID 49211658.
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