HD 99109
Stern HD 99109 |
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AladinLite | |||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
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Constellation | lion | ||||||||
Right ascension | 11 h 24 m 17.36 s | ||||||||
declination | -01 ° 31 ′ 44.7 ″ | ||||||||
Apparent brightness | 9.1 mag | ||||||||
Typing | |||||||||
Known exoplanets | 1 | ||||||||
B − V color index | +0.874 | ||||||||
Spectral class | K0 | ||||||||
Astrometry | |||||||||
Radial velocity | (32.9 ± 0.2) km / s | ||||||||
parallax | (20.03 ± 1.38) mas | ||||||||
distance | (163 ± 11) ly (49.9 ± 3.4) pc |
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Visual absolute brightness M vis | +5.61 mag | ||||||||
Proper movement | |||||||||
Rec. Share: | (-178.07 ± 1.18) mas / a | ||||||||
Dec. portion: | (-159.26 ± 1.11) mas / a | ||||||||
Physical Properties | |||||||||
Dimensions | 0.93 M ☉ | ||||||||
Luminosity |
0.724 L ☉ |
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Effective temperature | 5272 K | ||||||||
Metallicity [Fe / H] | 0.315 | ||||||||
Age | > 12.2 · 10 9 a | ||||||||
Other names and catalog entries |
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HD 99109 is a 197.35 light-years distant late main sequence star with a right ascension of 11h 24m 17s and a declination of -01 ° 31 '44 ". It has an apparent magnitude of 9.1 mag. In 2006 Paul Butler discovered an extrasolar planet orbiting this star, named HD 99109 b .
Web links
Individual evidence
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ a b c d Hipparcos, the New Reduction (van Leeuwen, 2007)
- ↑ Pulkovo radial velocities for 35493 HIP stars