HD 214448

Binary star in the constellation Aquarius
HD 214448
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 22h 38m 22.14533s[1]
Declination −07° 53′ 51.2116″[1]
Apparent magnitude (V) 6.23[2] (6.64/8.11)[3]
Characteristics
Spectral type K0III + F2[4]
U−B color index +0.49[2]
B−V color index +0.78[2]
Variable type Suspected[5]
Astrometry
Radial velocity (Rv)−18.34±0.27[6] km/s
Proper motion (μ) RA: +74.25[1] mas/yr
Dec.: −0.98[1] mas/yr
Parallax (π)8.38 ± 0.62 mas[1]
Distance390 ± 30 ly
(119 ± 9 pc)
Absolute magnitude (MV)0.498[6]
Orbit[5]
Period (P)147.07±8.09 yr
Semi-major axis (a)0.249±0.051″
Eccentricity (e)0.44±0.37
Inclination (i)73.6±6.2°
Longitude of the node (Ω)110.3±3.3°
Argument of periastron (ω)
(secondary)		191.9±14.7°
Details
Temperature5,645[7] K
Other designations
BD-08° 5912, HD 214448, HIP 111761, HR 8612, SAO 146216, WDS J22384-0754.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 214448 is a binary star system in the equatorial constellation of Aquarius. They orbit each other with a period of around 147 years. The combined mass of the pair is twice that of the Sun.[5]

References

  1. ^ a b c d e 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. ^ a b c 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. ^ Abt, H. A. (September 1985), "Visual multiples. VIII - 1000 MK types", Astrophysical Journal Supplement Series, 59: 95–112, Bibcode:1985ApJS...59...95A, doi:10.1086/191064
  5. ^ a b c Olevic, D.; Cvetkovic, Z. (2004), "Orbits of 6 Binaries", Serbian Astronomical Journal, 168 (168): 25–36, Bibcode:2004SerAJ.168...25O, doi:10.2298/saj0468025o
  6. ^ a b Soubiran, C.; et al. (March 2008), "Vertical distribution of Galactic disk stars. IV. AMR and AVR from clump giants", Astronomy and Astrophysics, 480 (1): 91–101, arXiv:0712.1370, Bibcode:2008A&A...480...91S, doi:10.1051/0004-6361:20078788, S2CID 16602121
  7. ^ Muñoz Bermejo, J.; et al. (May 2013), "A PCA approach to stellar effective temperatures", Astronomy and Astrophysics, 453: A95, arXiv:1303.7218, Bibcode:2013A&A...553A..95M, doi:10.1051/0004-6361/201220961, S2CID 67752733.

External links

  • Image HD 214448
  • v
  • t
  • e
Constellation of Aquarius
Stars
Bayer
Flamsteed
Variable
HR
HD
Other
Exoplanets
Star clusters
Nebulae
Galaxies
NGC
Other
Galaxy clusters
Astronomical events
Category
Stub icon

This binary or multiple star system–related article is a stub. You can help Wikipedia by expanding it.

  • v
  • t
  • e