HD 195019

HD 195019

Starbox short
name = HD 195019
epoch = J2000.0
constell = Delphinus
ra = 20h 28m 17s
dec = +18º 46' 12″
spectral = G3IV-V
appmag_v = 6.91
absmag_v = 5.40
dist_ly = 65
dist_pc = 20
names = HIP 100970, SAO 106138

HD 195019 is a star system in the constellation Delphinus. Star B is located approximately 150 AU from Star A. This star system is located 65 light years or 20 parsecs or 0.617 exameters away from the sun, Earth, or solar system. It is a yellow dwarf or subgiant [G3IV-V] . The useful catalogue numbers are HIP 100970, and SAO 106138.

In 1998, a planet was discovered by Lick Observatory, orbiting around Star A.

HD 195019 Ab

Planetbox begin
name = HD 195019 Ab Planetbox orbit
semimajor = 0.1388±0.008
eccentricity = 0.014±0.0044
period = 18.20163±0.0004
ang_dist = 6.94
long_peri = 322±20
t_peri = 2,411,015±1.2
semi-amp = 272.3±1.4Planetbox character
mass = >3.7 Planetbox discovery
discovery_date = 1998
discoverers = Fischer et al.
discovery_site=Lick Observatory
discovery_method = Radial Velocity
discovery_status=Published HD 195019 Ab is an exoplanet orbiting around HD 195019 A in the binary star system. It is a superjovian planet, with minimum mass of 3.7 MJ. It orbits very close to the star, about the same distance as the hypothetized planet Vulcan from the Sun. Like many planets at close distance, it’s orbit is circular, even more circular or less eccentric than Earth. It takes 437 hours to orbit with velocity of 83.24 kilometers per second.

References

*cite journal | url=http://www.journals.uchicago.edu/doi/full/10.1086/316304 | author=Fischer "et al." | title=Planetary Companions around Two Solar-Type Stars: HD 195019 and HD 217107 | journal=Publications of the Astronomical Society of the Pacific | year=1999 | volume=111 | issue=755 | pages=50 – 56 | doi=10.1086/316304

External links

* [http://exoplanet.eu/star.php?st=HD+195019 Notes for star HD 195019]
* [http://www.extrasolar.net/startour.asp?StarCatID=normal&StarID=14 EV: HD 195019] [http://www.extrasolar.net/planettour.asp?StarCatId=normal&PlanetId=18 HD 195019 b]
* [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=HD+195019&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id SIMBAD: HD 195019]


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