Astronomy:HD 222399

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Short description: Double star in the constellation Andromeda
HD 222399
Observation data
{{#ifeq:J2000|J2000.0 (ICRS)|Epoch J2000.0      Equinox J2000.0 (ICRS)| Epoch J2000      [[Astronomy:Equinox (celestial coordinates)|Equinox J2000}}
Constellation Andromeda[1]
A
Right ascension  23h 40m 02.8168s[2]
Declination +37° 39′ 09.508″[2]
Apparent magnitude (V) 6.51[3]
A
Right ascension  23h 40m 03.1960s[4]
Declination +37° 38′ 55.218″[4]
Apparent magnitude (V) 10.57[3]
Characteristics
Evolutionary stage main sequence[2][5]
Spectral type F2IV[6]
U−B color index +0.10[7]
B−V color index +0.35[7]
Astrometry
A
Radial velocity (Rv)−19.73±0.17[2] km/s
Proper motion (μ) RA: −8.669[2] mas/yr
Dec.: −81.166[2] mas/yr
Parallax (π)10.8719 ± 0.0178[2] mas
Distance300.0 ± 0.5 ly
(92.0 ± 0.2 pc)
Absolute magnitude (MV)+1.70[8]
B
Radial velocity (Rv)−19.59±0.19[4] km/s
Proper motion (μ) RA: −6.695[4] mas/yr
Dec.: −83.249[4] mas/yr
Parallax (π)10.9323 ± 0.0127[4] mas
Distance298.3 ± 0.3 ly
(91.5 ± 0.1 pc)
Details
A
Mass1.77[9] M☉
Radius1.52[10] R☉
Luminosity17[10] L☉
Surface gravity (log g)3.78[9] cgs
Temperature6,939[10] K
Metallicity [Fe/H]−0.04[9] dex
Rotational velocity (v sin i)55[11] km/s
Age1.4[9] Gyr
B
Mass0.80[10] M☉
Radius0.82[10] R☉
Luminosity0.35[10] L☉
Surface gravity (log g)4.51[9] cgs
Temperature4,888[10] K
Age1.2[4] Gyr
Other designations
BD+36°5098, HD 222399, HIP 116781, HR 8973, SAO 73422
Database references
SIMBADA
B

HD 222399 is a double star in the northern constellation of Andromeda. The magnitude 6.5 primary is an F-type subgiant star with a stellar classification of F2IV. It has a magnitude 10.57 companion at an angular separation of 14.7″ along a position angle of 162° (as of 2002).[12]

References

  1. ↑ Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific 99 (617): 695. doi:10.1086/132034. Bibcode: 1987PASP...99..695R  Constellation record for this object at VizieR.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  3. ↑ 3.0 3.1 Nascimbeni, V.; Piotto, G.; Ortolani, S.; Giuffrida, G.; Marrese, P. M.; Magrin, D.; Ragazzoni, R.; Pagano, I. et al. (2016). "An all-sky catalogue of solar-type dwarfs for exoplanetary transit surveys". Monthly Notices of the Royal Astronomical Society 463 (4): 4210. doi:10.1093/mnras/stw2313. Bibcode: 2016MNRAS.463.4210N. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Vallenari, A. et al. (2022). "Gaia Data Release 3. Summary of the content and survey properties". Astronomy & Astrophysics. doi:10.1051/0004-6361/202243940  Gaia DR3 record for this source at VizieR.
  5. ↑ Zorec, J.; Royer, F. (2012). "Rotational velocities of A-type stars. IV. Evolution of rotational velocities". Astronomy and Astrophysics 537: A120. doi:10.1051/0004-6361/201117691. Bibcode: 2012A&A...537A.120Z. 
  6. ↑ Cowley, Anne; Fraquelli, Dorothy (February 1974), "MK Spectral Types for Some Bright F Stars", Publications of the Astronomical Society of the Pacific 86 (509): 70, doi:10.1086/129562, Bibcode: 1974PASP...86...70C. 
  7. ↑ 7.0 7.1 Danziger, I. J.; Dickens, R. J. (July 1967), "Spectrophotometry of New Short-Period Variable Stars", Astrophysical Journal 149: 55, doi:10.1086/149231, Bibcode: 1967ApJ...149...55D 
  8. ↑ Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos compilation". Astronomy Letters 38 (5): 331. doi:10.1134/S1063773712050015. Bibcode: 2012AstL...38..331A  XHIP record for this object at VizieR.
  9. ↑ 9.0 9.1 9.2 9.3 9.4 Casagrande, L. et al. (2011). "New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s). Improved astrophysical parameters for the Geneva-Copenhagen Survey". Astronomy & Astrophysics 530 (A138): 21. doi:10.1051/0004-6361/201016276. Bibcode: 2011A&A...530A.138C. 
  10. ↑ 10.0 10.1 10.2 10.3 10.4 10.5 10.6 Stassun, Keivan G. et al. (2019). "The Revised TESS Input Catalog and Candidate Target List". The Astronomical Journal 158 (4): 138. doi:10.3847/1538-3881/ab3467. Bibcode: 2019AJ....158..138S. 
  11. ↑ Royer, F.; Zorec, J.; Gómez, A. E. (February 2007), "Rotational velocities of A-type stars. III. Velocity distributions", Astronomy and Astrophysics 463 (2): 671–682, doi:10.1051/0004-6361:20065224, Bibcode: 2007A&A...463..671R 
  12. ↑ Mason, B. D. et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal 122 (6): 3466, doi:10.1086/323920, Bibcode: 2001AJ....122.3466M, http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=B/wds, retrieved 2015-07-22 
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