HD 202259

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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[edit]