HD 100777

Starbox short
name = HD 100777
epoch = J2000.0
constell = Leo
ra = RA|11|35|51.523
dec = DEC|-04|45|20.51
spectral = K0
appmag_v = +8.42
absmag_v = +4.81
dist_ly = 172.2
dist_pc = 52.8
names = HIP 56572

HD 100777 is an orange star in the constellation Leo 1.629 Em from Earth. The apparent magnitude is 8 and absolute magnitude is 5. It is also called HIP 56572.

HD 100777 b

Planetbox begin
name = HD 100777 b Planetbox orbit
semimajor = 1.03 ± 0.03
eccentricity = 0.36 ± 0.02
period = 383.7 ± 1.2
ang_dist = 19.508
long_peri = 202.7 ± 3.0
t_peri = 2,453,456.2 ± 2.3
semi-amp = 34.9 ± 0.8Planetbox character
mass = >1.17 ± 0.02 Planetbox discovery
discovery_date = 2007
discovery_site = Chile
discoverers = Naef et al.
discovery_method = HARPS
discovery_status=Published HD 100777 b is a >1.17 M_J planet taking 33.15 Ms to orbit at 154.1 Gm or 4.99 μpc from the star at 36% eccentricity. The velocity of the orbit is 28.1 km/s. Naef discovered his planet in early 2007 by using HARPS spectrograph located in Chile.

References

* ( [http://arxiv.org/abs/0704.0917 web preprint] )

External links

* [http://exoplanet.eu/star.php?st=HD+100777 Notes for star HD 100777]
* [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+100777&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id SIMBAD Query result]
* [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+100777b SIMBAD Query result planet]