HD 37124
Stern HD 37124 |
|||||||||
---|---|---|---|---|---|---|---|---|---|
AladinLite | |||||||||
Observation dates equinox : J2000.0 , epoch : J2000.0 |
|||||||||
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 |
||||||||
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 | ||||||||
Other names and catalog entries |
|||||||||
|
|||||||||
annotation | |||||||||
|
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)