HD 70573

Starbox begin
name = HD 70573 Starbox observe
epoch = J2000.0
constell = Hydra
ra = RA|8|22|49.9514
dec = DEC|+01|51|33.552
appmag_v = +8.70 Starbox character
class = G1.2V
r-i =
v-r =
b-v = 0.59
u-b =
variable = none Starbox astrometry
radial_v = +19.5
prop_mo_ra = -54.00
prop_mo_dec = -48.20
parallax = 21.9
p_error =
dist_ly = 149
dist_pc = 45.7
absmag_v = +5.40 Starbox detail
age = 0.101 ± 0.024 × 10⁹
metal = 66%
mass = 1 ± 0.1
radius = ?
density = ?
gravity = ?
rotation = ?
luminosity = 0.60
temperature = 5737 ± 70 Starbox catalog
names = BD+02º 1951, SAO 116694 Starbox reference
Simbad = HD+70573

HD 70573 is a 9^th magnitude star approximately 149 light-years away in the constellation of Hydra. The star is young, only 101 million years old.

Planetary system

On March 19, 2007, an extrasolar planet was announced, having been discovered by the radial velocity method. This is thus far the youngest host star discovered to have an orbiting planet.

PlanetboxOrbit
exoplanet = b
mass = >6.1 ± 0.4
period = 851.8 ± 11.6
semimajor = 1.76 ± 0.05
eccentricity = 0.4 ± 0.1

See also

* List of stars with confirmed extrasolar planets

References

* [http://arxiv.org/abs/0704.0441 web preprint]

External links

*