HR 244
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cassiopeia |
| Right ascension | 00h 53m 04.19602s[1] |
| Declination | +61° 07′ 26.2945″[1] |
| Characteristics | |
| Spectral type | F9V[2] |
| Astrometry | |
| Proper motion (μ) | RA: –68.95[1] mas/yr Dec.: +170.15[1] mas/yr |
| Parallax (π) | 53.35 ± 0.33[1] mas |
| Distance | 61.1 ± 0.4 ly (18.7 ± 0.1 pc) |
| Details | |
| Mass | 1.194[3] M☉ |
| Radius | 1.7426 ± 0.0233[3] R☉ |
| Luminosity | 3.4521 ± 0.0432[3] L☉ |
| Temperature | 5,965 ± 35[3] K |
| Metallicity [Fe/H] | 0.04[3] dex |
| Age | 5.3[3] Gyr |
| Other designations | |
HR 244 is a star in the constellation Cassiopeia. Its apparent magnitude is 4.82. Located around 18.74 parsecs (61.1 ly) distant, it is a white main-sequence star of spectral type F9V,[2] a star that is currently fusing its core hydrogen.
References
- 1 2 3 4 5 van Leeuwen, F. (November 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.
- 1 2 3 "HR 244". SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Retrieved 7 February 2014.
- 1 2 3 4 5 6 Boyajian, Tabetha S.; et al. (July 2013), "Stellar Diameters and Temperatures. III. Main-sequence A, F, G, and K Stars: Additional High-precision Measurements and Empirical Relations", The Astrophysical Journal 771 (1): 40, arXiv:1306.2974, Bibcode:2013ApJ...771...40B, doi:10.1088/0004-637X/771/1/40.
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