HD 128198

From Wikipedia, the free encyclopedia
HD 128198
Observation data
Epoch J2000      Equinox J2000
Constellation Boötes
Right ascension 14h 34m 38.5001s
Declination +36° 37 33.83
Apparent magnitude (V)6.016
Characteristics
Spectral typeK5III
B−V color index1.38
Variable typeVariable star
NSV 6718
Astrometry
Radial velocity (Rv)-12 km/s
Proper motion (μ) RA: -24.54 mas/yr
Dec.: -46.6 mas/yr
Parallax (π)5.74 ± 0.83 mas
Distanceapprox. 570 ly
(approx. 170 pc)
Absolute magnitude (MV)7.442
Details
Mass0.8 M
Radius0.9 R
Luminosity0.4 L
Temperature3,500–5,000 K
Other designations
BD+37° 2551, HIP 71277, HR 5448, SAO 64227.
Database references
SIMBADdata
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 128198 is a variable star in the constellation Boötes.

References

This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.