11 Andromedae
Not to be confused with Xi Andromedae or Andromeda II.
For the galaxy Andromeda XI (Andromeda 11), see Andromeda XI.
Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Andromeda |
Right ascension | 23h 19m 29.808s[1] |
Declination | +48° 37′ 31.16″[1] |
Apparent magnitude (V) | 5.457[2] |
Characteristics | |
Spectral type | K0III[2] |
U−B color index | +0.82[3] |
B−V color index | +1.03[3] |
Astrometry | |
Radial velocity (Rv) | 11.4 ± 0.9[2] km/s |
Proper motion (μ) | RA: 23.14 ± 0.19[1] mas/yr Dec.: 52.29 ± 0.20[1] mas/yr |
Parallax (π) | 11.40 ± 0.27[1] mas |
Distance | 286 ± 7 ly (88 ± 2 pc) |
Details | |
Radius | 12[4] R☉ |
Rotational velocity (v sin i) | < 19[3] km/s |
Other designations | |
Database references | |
SIMBAD | data |
11 Andromedae (abbreviated 11 And) is a K-type giant star in the constellation of Andromeda.[2] 11 Andromedae is the Flamsteed designation. It has an apparent visual magnitude of approximately 5.457.[2]
References
- 1 2 3 4 5 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.Vizier catalog entry
- 1 2 3 4 5 6 * 11 And -- Star, database entry, SIMBAD. Accessed on line August 21, 2008.
- 1 2 3 HR 8874, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line August 21, 2008.
- ↑ HD 219945, database entry, Catalog of Apparent Diameters and Absolute Radii of Stars (CADARS), 3rd edition, L. E. Pasinetti-Fracassini, L. Pastori, S. Covino, and A. Pozzi, CDS ID II/224. Accessed on line August 21, 2008.
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