HD 37124
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Stern HD 37124 |
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| AladinLite | |||||||||
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Observation dates equinox : J2000.0 , epoch : J2000.0 |
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| Constellation | bull | ||||||||
| Right ascension | 05 h 37 m 2.49 s | ||||||||
| declination | + 20 ° 43 ′ 50.8 ″ | ||||||||
| Apparent brightness | 7.68 likes | ||||||||
| Typing | |||||||||
| Known exoplanets | 3 | ||||||||
| B − V color index | +0.66 | ||||||||
| Spectral class | G4 IV-V | ||||||||
| Astrometry | |||||||||
| Radial velocity | (−23.2 ± 0.2) km / s | ||||||||
| parallax | (29.70 ± 0.70) mas | ||||||||
| distance | (110 ± 3) ly (33.7 ± 0.8) pc |
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| Visual absolute brightness M vis | +5.0 mag | ||||||||
| Proper movement | |||||||||
| Rec. Share: | (−80.14 ± 1.05) mas / a | ||||||||
| Dec. portion: | (−419.77 ± 0.65) mas / a | ||||||||
| Physical Properties | |||||||||
| Dimensions | 0.91 M ☉ | ||||||||
| radius | 0.82 R ☉ | ||||||||
| Effective temperature | 5610 K | ||||||||
| Metallicity [Fe / H] | −0.32 | ||||||||
| Age | approx. 3 bill. a | ||||||||
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Other names and catalog entries |
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HD 37124 is a rating of the spectral G4, the at least three planet , HD b 37124 , HD 37124 c and HD 37124 d is encircled. Its mass is around 0.9 solar masses . Its companions were discovered in 1999, 2002 and 2005 through measurements of its radial velocity .
See also
Web links
Individual evidence
- ↑ a b c Hipparcos catalog (ESA 1997)
- ↑ Pulkovo radial velocities for 35493 HIP stars
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)