HD 81040

Database links to HD 81040

Stern HD 81040
AladinLite
Observation dates equinox :  J2000.0 , epoch : J2000.0
Constellation	lion
Right ascension	09 h 23 m 47.09 s
declination	+ 20 ° 21 ′ 52 ″
Apparent brightness	7.72 likes
Typing
Known exoplanets	1
Spectral class	G0
Astrometry
Radial velocity	(49.2 ± 0.3) km / s
parallax	(30.20 ± 1.03)  mas
distance	(108 ± 4)  ly (33.1 ± 1.1)  pc
Visual absolute brightness M vis	+5.12 mag
Proper movement
Rec. Share:	(−152.39 ± 1.03)  mas / a
Dec. portion:	(36.12 ± 0.57)  mas / a
Physical Properties
Dimensions	0.96  M ☉
Effective temperature	5623  K
Metallicity [Fe / H]	−0.16
Age	4.18 bill.  A
Other names and catalog entries
Bonn survey BD +20 2314 Henry Draper Catalog HD 81040 [1] Hipparcos catalog HIP 46076 [2] SAO catalog SAO 80800 [3] Tycho catalog TYC 1408-143-1 [4]
annotation
↑ Calculated from apparent brightness and distance.

HD 81040 is a yellow dwarf 106.21 light years from Earth with a right ascension of 09h 23m 47s and a declination of + 20 ° 21 '52 ". It has an apparent magnitude of 7.72 mag. A. Sozzetti discovered one in 2005 extrasolar planet orbiting this star, named HD 81040 b .

Web links

• SIMBAD
• Encyclopedia of Exoplanets

Individual evidence

1. ↑ ^{a b c} Hipparcos catalog (ESA 1997)
2. ↑ Pulkovo radial velocities for 35493 HIP stars
3. ↑ ^{a b c} Hipparcos, the New Reduction (van Leeuwen, 2007)