HD 202259

HD 202259

Observation data Epoch J2000      Equinox J2000
Constellation	Aquarius
Right ascension	21h 14m 37.05s
Declination	+00° 05′ 32.12″
Apparent magnitude (V)	6.39
Characteristics
Spectral type	M1 III
U−B color index	1.92
B−V color index	1.61
Variable type	Variable star
Astrometry
Radial velocity (Rv)	-123.5 km/s
Proper motion (μ)	RA: 36.4 mas/yr Dec.: -12.61 mas/yr
Parallax (π)	4.76 ± 0.91 mas
Distance	approx. 700 ly (approx. 210 pc)
Absolute magnitude (MV)	8.03
Details
Mass	0.4 M☉
Radius	0.5 R☉
Luminosity	0.04 L☉
Temperature	2,000–3,500 K
Other designations
NSV 13614, BD-00° 4186, HIP 104872, HR 8121, SAO 145229.
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

HD 202259 is a variable star.

References

• Image HD 202259