HD 177830 c

Planetbox begin
name = HD 177830 c Planetbox star
star = HD 177830
constell = Lyra
RA=RA|19|05|20.7735
DEC=DEC|+25|55|14.379
dist_ly=192.54
dist_pc=59.06
class=K0Planetbox orbit
semimajor = 0.514
semimajor_gigameter = 76.9
periastron = 0.309
periastron_gigameter = 46.2
apastron = 0.719
apastron_gigameter = 107.6
eccentricity = 0.40 ± 0.14
period = 111.19 ± 0.19
period_year = 0.30442
period_megasecond = 9.6068
speed = 50.5
ang_dist = 8.70
long_peri = 100 ± 160
t_peri = 2453953.7 ± 6.5
semi-amp = 6.7 ± 1.2Planetbox character
mass = >0.186
radius = ~0.652
density = ~890
gravity_earth = ~1.16
gravity = ~11.3
temperature = ~528 Planetbox discovery
discovery_date = 2007
discoverers =
discovery_method = Doppler spectroscopy
discovery_site =
discovery_status = Unpublished Planetbox catalog
names = Gliese 743.2 c, HIP 93746 c

HD 177830 c is an extrasolar planet located approximately 193 light-years away in the constellation of Lyra, orbiting the star HD 177830. This planet was discovered in 2007, but not yet been published. This planet masses at least ¹/₅ the mass of Jupiter and orbits half the AU distance from the star in an eccentric orbit.

See also

* HD 177830 b

References

*cite journal | url=http://www.journals.uchicago.edu/doi/abs/10.1086/504701 | author=Butler "et al." | title=Catalog of Nearby Exoplanets | journal=The Astrophysical Journal | volume=646 | issue=1 | pages=505 – 522 | year=2006 | doi=10.1086/504701 | format=abstract ( [http://xxx.lanl.gov/abs/astro-ph?papernum=0607493 web Preprint] )

External links

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