astro.wikisort.org - StarHD 135438 is a K-type giant star[3] in the northern constellation of Boötes. It has a magnitude 9.36 companion at an angular separation of 118.2″ along a position angle of 158° (as of 2012).[6]
K-type giant star in the constellation Boötes
HD 135438
Observation data Epoch J2000 Equinox J2000 |
Constellation |
Boötes |
Right ascension |
15h 14m 06.04370s[1] |
Declination |
+31° 47′ 16.2399″[1] |
Apparent magnitude (V) |
6.0992±0.0007[2] |
Characteristics |
Spectral type |
K5[3] |
B−V color index |
1.52[3] |
Astrometry |
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Radial velocity (Rv) | +4[4] km/s |
Proper motion (μ) | RA: +42.29±0.20[1] mas/yr Dec.: −30.32±0.27[1] mas/yr |
Parallax (π) | 4.92 ± 0.37 mas[1] |
Distance | 660 ± 50 ly (200 ± 20 pc) |
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Details |
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Luminosity | 407[5] L☉ |
Temperature | 3,975[5] K |
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Other designations |
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BD+32° 2561, HD 135438, HIP 74561, HR 5674, SAO 64574. |
Database references |
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SIMBAD | data |
References
- 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.
- Famaey, B.; et al. (2005), "Local kinematics of K and M giants from CORAVEL/Hipparcos/Tycho-2 data. Revisiting the concept of superclusters", Astronomy and Astrophysics, 430: 165–186, arXiv:astro-ph/0409579, Bibcode:2005A&A...430..165F, doi:10.1051/0004-6361:20041272, S2CID 17804304.
- Percy, John R. (December 1993), "The photometric variability of K giants", Publications of the Astronomical Society of the Pacific, 105 (694): 1422–1426, Bibcode:1993PASP..105.1422P, doi:10.1086/133324.
- Gontcharov, G. A. (November 2006), "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system", Astronomy Letters, 32 (11): 759–771, arXiv:1606.08053, Bibcode:2006AstL...32..759G, doi:10.1134/S1063773706110065, S2CID 119231169.
- McDonald, I.; et al. (2012), "Fundamental Parameters and Infrared Excesses of Hipparcos Stars", Monthly Notices of the Royal Astronomical Society, 427 (1): 343–57, arXiv:1208.2037, Bibcode:2012MNRAS.427..343M, doi:10.1111/j.1365-2966.2012.21873.x, S2CID 118665352.
- Mason, B. D.; et al. (2014), "The Washington Visual Double Star Catalog", The Astronomical Journal, 122: 3466–3471, Bibcode:2001AJ....122.3466M, doi:10.1086/323920, retrieved 2015-07-22.
External links
Constellation of Boötes |
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