16 Arietis is a star in the northern constellation of Aries. 16 Arietis is the Flamsteed designation, abbreviated 16 Ari. Its apparent magnitude is 6.01. Based upon the annual parallax shift of 6.39±0.05 mas,[2] this star is approximately 510 ly distant from Earth. The brightness of this star is diminished by 0.40 in magnitude from extinction caused by interstellar gas and dust.[5] This is an evolved giant star with a stellar classification of K3 III.[3]

16 Arietis
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Aries[1]
Right ascension 02h 11m 12.055s[2]
Declination +25° 56 12.99[2]
Apparent magnitude (V) 6.01[1]
Characteristics
Evolutionary stage red giant branch[2]
Spectral type K3 III[3]
B−V color index 1.365±0.006[1]
Variable type Constant[1]
Astrometry
Radial velocity (Rv)−15.74±0.20[1] km/s
Proper motion (μ) RA: −8.211 mas/yr[2]
Dec.: −4.866 mas/yr[2]
Parallax (π)6.394±0.0528 mas[2]
Distance510 ± 4 ly
(156 ± 1 pc)
Absolute magnitude (MV)−0.82[1]
Details
Radius27.5±0.6[2] R
Luminosity233±4[2] L
Surface gravity (log g)1.88±0.03[2] cgs
Temperature4,275±9[2] K
Other designations
BD+25 362, GC 2609, HD 13363, HIP 10203, HR 633, SAO 75188[4]
Database references
SIMBADdata

References

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  1. 1 2 3 4 5 6 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 6 7 8 9 10 11 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 Sato, K.; Kuji, S. (November 1990), "MK classification and photometry of stars used for time and latitude observations at Mizusawa and Washington", Astronomy and Astrophysics Supplement Series, 85 (3): 1069–1087, Bibcode:1990A&AS...85.1069S.
  4. "16 Ari", SIMBAD, Centre de données astronomiques de Strasbourg, retrieved 2012-08-13.
  5. Famaey, B.; et al. (January 2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics, 430 (1): 165–186, arXiv:astro-ph/0409579, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272, S2CID 17804304.
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