HD 93083

HD 93083

Starbox begin
name=HD 93083
Starbox observe
epoch=J2000
ra=01h 09m 43.9s
dec=+35° 37′ 14″
appmag_v=8.33
constell=Antlia
Starbox character
class=K2IV-V
b-v=0.945
u-b=
variable=
Starbox astrometry
radial_v=41.7 ± 2
prop_mo_ra=-92.84 ± 1.07
prop_mo_dec=-151.12 ± 0.8
parallax=34.6
p_error=1.0
absmag_v=9.27
Starbox detail
mass=0.7 ± 0.04
radius=1.03
luminosity=0.4 | temperature=4995
age=6×109
Starbox catalog
names=NLTT 25207, GCRV 61572, HIC 52521, UBV 9871, BPM 54316, HIP 52521, UGP 243, CD-32° 7598, GJ 1137, PPM 288057, CPC 17 5244, GSC 07190-02048, SAO 201693, CPD-32° 2958, TYC 7190-2048-1.
Starbox reference
Simbad=HD+93083

HD 93083 is an 8th magnitude star in the constellation of Antlia. It is an orange dwarf (spectral class K2 V), somewhat cooler and less luminous than our Sun.

In 2005 the discovery of a planet orbiting the star was announced.__TOC__

Planet

HD 93083 b

Planetbox begin
name = HD 93083 b []
Planetbox orbit
semimajor = 0.477
eccentricity = 0.14 ± 0.03
period = 143.58 ± 0.6
ang_dist = 17
long_peri = 333.5 ± 7.9
t_peri = 2,453,181.7 ± 3.0
semi-amp = 18.30 ± 0.5
semimajor_gigameter =
periastron =
periastron_gigameter =
apastron =
apastron_gigameter =
period_year = 0.3931
period_megasecond =
Planetbox character
mass = >0.37
radius=0.333
density=
gravity=82.7954769
temperature=317
mass_earth = 117.586
gravity_earth = 8.442789
insolation =
insolation_earth =
radius_megameter =
mass_wekagram =
radius_earth =3.7278457
Planetbox discovery
discovery_date = 2005
discoverers = Lovis, Mayor,
Pepe et al.
Geneva Observatory
flag|Switzerland
discovery_site= [http://obswww.unige.ch/~udry/planet/planet.html obswww.unige.ch]
discovery_method = Radial Velocity
discovery_status=Published
Planetbox catalog
names=HD 93083 b
Planetbox reference
star=HD+93083
planet=b

HD 93083 b is an extrasolar planet orbiting the star HD 93083. It is probably much less massive than Jupiter, although only the minimum mass is known. The planet's mean distance from the star is about half that of Earth, and the orbit is slightly eccentric.

There could be an Earth sized planet in its Trojan field. [cite journal |journal=Astronomy & Astrophysics |DOI=10.1051/0004-6361:20077994 | volume=474|page=1023-1029 |url=http://adsabs.harvard.edu/abs/2007A%26A...474.1023S |title=Survey of the stability region of hypothetical habitable Trojan planets |author=R. Schwarz, R. Dvorak, Á. Süli, and B. Érdi |month=November |year=2007: HD 93083, HD 17051, HD 28185, HD 27442, HD 188015, HD 99109, HD 221287]

References

*cite journal | url=http://www.edpsciences.org/articles/aa/abs/2005/27/aa2864-05/aa2864-05.html |author=Lovis et al.|title=The HARPS search for southern extra-solar planets III. Three Saturn-mass planets around HD 93083, HD 101930 and HD 102117 |journal = Astronomy and Astrophysics | volume=437 | year=2005 | pages=1121–1126|doi=10.1051/0004-6361:20052864|format=abstract

External links

* [http://simbad.u-strasbg.fr/Simbad SIMBAD] [http://simbad.u-strasbg.fr/sim-id.pl?protocol=html&Ident=HD+93083 entry]
* [http://www.obspm.fr/encycl/encycl.html The Extrasolar Planets Encyclopaedia] [http://www.obspm.fr/encycl/HD93083.html entry]
* [http://www.extrasolar.net Extrasolar Visions] [http://www.extrasolar.net/planettour.asp?StarCatId=normal&PlanetId=286 entry]
* [http://media4.obspm.fr/exoplanets/base/planete.php?etoile=HD+93083&planete=b Corot Simulation]
* [http://www.universeguide.com/ExtraSolar/HD93083b.php?expand=True www.universeguide.com]
* [http://aladin.u-strasbg.fr/AladinPreview?-c=10+44+20.9149-33+34+37.279&ident=NLTT+25207&submit=Aladin+previewer Image HD 93083]


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