HD 135530

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
Distanceapprox. 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
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 135530 is a variable star in the constellation Boötes.

References