HD 135530

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HD 135530
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 15h 14m 10.310s[1]
Declination +42° 10′ 17.07″[1]
Apparent magnitude (V) 6.156
Characteristics
Spectral type M2IIIa
U−B color index 1.93
B−V color index 1.66
R−I color index 0.92
Variable type Variable star
NSV 20281
Astrometry
Radial velocity (Rv) –7.1 km/s
Proper motion (μ) RA: 23.57 ± 0.28[1] mas/yr
Dec.: –16.05 ± 0.32[1] mas/yr
Parallax (π) 2.71 ± 0.32[1] mas
Distance approx. 1,200 ly
(approx. 370 pc)
Absolute magnitude (MV) 7.809
Details
Other designations
NSV 20281, BD+42° 2577, HIP 74571, HR 5677, SAO 45445.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 135530 is a variable star in the constellation Boötes.

References[edit]

  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.  Vizier catalog entry