HD 221148

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HD 221148
Observation data
Epoch J2000      Equinox J2000
Constellation Aquarius
Right ascension 23h 29m 32.0813s
Declination −04° 31′ 57.89″
Apparent magnitude (V) 6.25
Characteristics
Spectral type K3IIIv
U−B color index 1.16
B−V color index 1.09
R−I color index 1.41
Variable type Variable star
Astrometry
Radial velocity (Rv) -25.0 km/s
Proper motion (μ) RA: 179.73 mas/yr
Dec.: -231.95 mas/yr
Parallax (π) 20.44 ± 0.86 mas
Distance 160 ± 7 ly
(49 ± 2 pc)
Absolute magnitude (MV) 7.34
Details
Mass 0.8 M
Radius 0.9 R
Luminosity 0.4 L
Temperature 3,500–5,000 K
Other designations
BD-05° 5999, HIP 115953, FK5 3881, HR 8924, LTT 9560, SAO 146736.
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

HD 221148 is variable star, variable radial velocity.

References[edit]