HD 240210

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HD 240210
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Cassiopeia
Right ascension 23h 10m 29.2303s
Declination +57° 01′ 46.035″
Apparent magnitude (V) 8.33
Characteristics
Spectral type K3III
B−V color index 1.63
Variable type none
Astrometry
Proper motion (μ) RA: 21.20 mas/yr
Dec.: 6.00 mas/yr
Parallax (π) 6.99 ± 3.01 mas
Distance 466 ± 173 ly
(143 ± 53 pc)
Absolute magnitude (MV) 2.55
Details
Mass 1.25 ± 0.25 M
Radius 13 R
Luminosity 51.6 L
Temperature 4290 ± 13 K
Metallicity –0.18 ± 0.12
Other designations
BD+56° 2959, PPM 41549, SAO 35195
Database references
SIMBAD data
Exoplanet Archive data
Extrasolar Planets
Encyclopaedia
data

HD 240210 is a star in the constellation of Cassiopeia. In 2009, a planet of the star was discovered.[1]

The HD 240210 system[1]
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b ≥6.90 MJ 1.33 501.75 ± 2.33 0.15 ± 0.02
c (unconfirmed) 3.80 MJ 2.1 994 ± 97 0.58 ± 0.35

See also[edit]

References[edit]