HD 190647

Starbox short
name = HD 190647
epoch = J2000.0
constell = Sagittarius
ra = RA|20|07|19.670
dec = DEC|-35|32|19.08
spectral = G5
appmag_v = +7.78
absmag_v = +4.11
dist_ly = 176.8
dist_pc = 54.2
names = HIP 99115

HD 190647 is a yellow star in the constellation Sagittarius, located 1.6725 exameters from the Sun. The apparent magnitude is 8 and absolute magnitude is 4. It is also called HIP 99115.

HD 190647 b

Planetbox begin
name = HD 190647 b Planetbox orbit
semimajor = 2.07 ± 0.06
eccentricity = 0.18 ± 0.02
period = 1038.1 ± 5.1
ang_dist = 38.192
long_peri = 232.5 ± 9.6
t_peri = 2,453,868 ± 25
semi-amp = 36.4 ± 1.2Planetbox character
mass = >1.9 Planetbox discovery
discovery_date = 2007
discovery_site = Chile
discoverers = Naef et al.
discovery_method = HARPS
discovery_status=Published HD 190647 b is >1.9 M_J planet orbiting the star at 309.7 gigameters or 10.04 μpc away from the star, taking 89.69 megaseconds to orbit the star with average velocity of 21.6 km/s. The orbital eccentricity is 18%. 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+190647 Notes for star HD 190647]
* [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+190647&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id SIMBAD: HD 190647 SIMBAD Query result]
* [http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+190647b SIMBAD Query result planet]