9 Boötis

9 Boötis
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 13h 56m 34.1811s
Declination +27° 29 31.496
Apparent magnitude (V) 5.019
Characteristics
Spectral type K3III
U−B color index 1.72
B−V color index 1.42
Variable type Irregular
Astrometry
Radial velocity (Rv)-39.8 km/s
Proper motion (μ) RA: 28.19 mas/yr
Dec.: -47.76 mas/yr
Parallax (π)5.03 ± 0.78 mas
Distanceapprox. 600 ly
(approx. 200 pc)
Other designations
HR 5247, HD 121710, BD+28° 2278, HIP 68103, SAO 83084, GC 18850.
Database references
SIMBADdata

9 Boötis is a variable star in the constellation Boötes.

9 Boötis is an orange K-type giant with an apparent magnitude of +5.02. It is approximately 648 light years from Earth.

References


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.