HD 206610

Bosona, also HD 206610, is an orange giant star in the constellation of Aquarius. It is a K-type giant star with an apparent magnitude of 6.249, which, according to the Bortle scale, makes it faintly visible to the naked eye from dark rural skies. This star is spinning slowly with a projected rotational velocity of 1.77 km/s.[5][6][7][2]

Bosona

Bosona with orange-red glow
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 21h 43m 24.90011s[1]
Declination −07° 24′ 29.7103″[1]
Apparent magnitude (V) 6.2491[2]
Characteristics
Spectral type K0III[3]
Astrometry
Radial velocity (Rv)−18.62±0.12[1] km/s
Proper motion (μ) RA: 2.184±0.027 mas/yr[1]
Dec.: 1.781±0.024 mas/yr[1]
Parallax (π)6.7637 ± 0.0270 mas[1]
Distance482 ± 2 ly
(147.8 ± 0.6 pc)
Absolute magnitude (MV)1.99[4]
Details
Mass1.55 M☉
Radius6.12 R☉
Luminosity1.21±0.20 L☉
Surface gravity (log g)2.99[1] cgs
Temperature4,842±25 K
Metallicity [Fe/H]0.16 dex
Rotational velocity (v sin i)1.77±0.40 km/s
Age3.08±1.17 years
Other designations
HD 206610, BD−08°5719, HIP 107251, SAO 145619, Gaia DR2 2667434008056899712, 2MASS J21432490-0724296, TYC 5221-00210-1, WISE J214324.89-072429.7, TIC 333314269
Database references
SIMBADdata

Naming

The star HD 206610 and its planet HD 206610 b are named Bosona and Naron respectively. The names were selected in the NameExoWorlds campaigns by Bosnia and Herzegovina during the 100th anniversary of the IAU. Naron is one of the names given to the Neretva river in Herzegovina originating with the Romans (Naro, Narona, Narenta, Nerenta), while in local tradition the name is said to go back even earlier with the Celts who called it Nera Etwa, which means the Flowing Divinity.[8][9][10]

The host star HD 206610 is named Bosona in accordance with the historic name for Bosnia, Horion Bosona, described in De Administrando Imperio by Porphyrogenitus in 10rth century, and its namesake the river Bosna's ancient name Bosona (Bosina, Basina, Basante).[8][9][10]

Planetary system

HD 206610 has one known planet, HD 206610 b named Naron, discovered in 2010 using the radial velocity method.[11]

The HD 206610 planetary system[12]
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination Radius
b / Naron ≥2.036±0.065 MJ 1.74±0.33 673.2±3.3 0.100±0.042 — —

References
  1. 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.
  2. 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. Houk, N.; Swift, C. (1999). "Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5". Michigan Spectral Survey. 05: 0. Bibcode:1999MSS...C05....0H.
  4. 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. S2CID 119257644.
  5. Pasinetti Fracassini, L. E.; et al. (2001). "Catalogue of Apparent Diameters and Absolute Radii of Stars (CADARS) - Third edition - Comments and statistics". Astronomy & Astrophysics. 367 (2): 521–24. arXiv:astro-ph/0012289. Bibcode:2001A&A...367..521P. doi:10.1051/0004-6361:20000451. S2CID 425754.
  6. Díaz, C. G.; et al. (July 2011). "Accurate stellar rotational velocities using the Fourier transform of the cross correlation maximum". Astronomy & Astrophysics. 531: A143. arXiv:1012.4858. Bibcode:2011A&A...531A.143D. doi:10.1051/0004-6361/201016386. S2CID 119286673.
  7. Wilson, R. E. (1953). "General Catalogue of Stellar Radial Velocities". Carnegie Institute Washington D.C. Publication. Carnegie Institute of Washington D.C. Bibcode:1953GCRV..C......0W.
  8. "IAU 100 #NameExoWorlds: Bosna i Hercegovina imenovala zvijezdu i egzoplanetu u sazviježđu Vodolije". Astronomsko društvo Orion (in Serbo-Croatian). Sarajevo. 17 December 2019. Retrieved 26 February 2023.
  9. "International Astronomical Union". www.iau.org. Retrieved 2020-01-02.
  10. "Approved names". NameExoworlds. Retrieved 2020-01-02.
  11. Johnson, John Asher; et al. (2010). "Retired A Stars and Their Companions. IV. Seven Jovian Exoplanets from Keck Observatory". Publications of the Astronomical Society of the Pacific. 122 (892): 701–711. arXiv:1003.3445. Bibcode:2010PASP..122..701J. doi:10.1086/653809.
  12. Luhn, Jacob K.; et al. (2019). "Retired A Stars and Their Companions. VIII. 15 New Planetary Signals around Subgiants and Transit Parameters for California Planet Search Planets with Subgiant Hosts". The Astronomical Journal. 157 (4). 149. arXiv:1811.03043. Bibcode:2019AJ....157..149L. doi:10.3847/1538-3881/aaf5d0. S2CID 102486961.
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