Planet GJ 785 c

Name GJ 785 c
Planet Status Confirmed
Discovered in 2011
Mass 0.076 ( -0.02 +0.02 ) MJ
Mass*sin(i) 0.076 ( -0.02 +0.02 ) MJ
Semi-Major Axis 1.18 (± 0.025) AU
Orbital Period 525.8 (± 9.2) day
Eccentricity 0.32 (± 0.11)
ω 110.0 (± 21.0) deg
Tperi 2455151.02575 JD
Radius
Inclination
Update 2016-02-24
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 2.27 (± 0.28) m/s
Calculated temperature 185.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 192310 c

Star

GJ 785
Name GJ 785
Distance 8.911 (± 0.024) pc
Spectral type K1V
Apparent magnitude V 6.13
Mass 0.78 (± 0.02) MSun
Age
Effective temperature 5144.0 (± 50.0) K
Radius 0.68 (± 0.02) RSun
Metallicity [Fe/H] 0.08 (± 0.03)
Detected Disc IR Excess
Magnetic Field
RA2000 20:15:17.0
Dec2000 -27:01:59
Alternate Names
Planetary system
2 planets

Remarks

Alias HD 192310 (see the planet HD 192319 c)

More data

Observability Predictor

Remarks

3 Sep 2011: HD 192310 b (Pepe et al. 2011) has first been discovered as Gl 785 b by Howard et al. 2011 (submitted in 2010).

Related publications

Feasibility of spectro-polarimetric characterization of exoplanetary atmospheres with direct observing instruments
2017 TAKAHASHI J., MATSUO T. & ITOH Y.
Astron. & Astrophys., 599, A56
paper  

Incidence of debris discs around FGK stars in the solar neighbourhood
2016 MONTESINOS B., EIROA C., KRIKOV A., MARSHALL J., PILBRATT G. et al.
Astron. & Astrophys., submitted
arxiv  

Analytical determination of orbital elements using Fourier analysis. I. The radial velocity case
2015 DELISLE J.-B., SEGRANSAN D., BUSCHSCHACHER N. & ALESINA F.
Astron. & Astrophys., accepted
arxiv  ADS  

Forever alone? Testing single eccentric planetary systems for multiple companions
2013 WITTENMYER R., WANG S., HORNER J., TINNEY Ch., BUTLER P. & 6 additional authors
ApJ. Suppl., accepted
paper  arxiv  

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

The HARPS search for Earth-like planets in the habitable zone: I -- Very low-mass planets around HD20794, HD85512 and HD192310
2011 PEPE F., LOVIS Ch., SEGRANSAN D., BENZ W., BOUCHY F., DUMUSQUE X., MAYOR M., QUELOZ D., SANTOS N. & UDRY S.
Astron. & Astrophys., 534, A58
paper   arxiv

The NASA-UC Eta-Earth Program: III. A Super-Earth orbiting HD 97658 and a Neptune-mass planet orbiting Gl 785
2011 HOWARD A., JOHNSON A., MARCY G., FISCHER D., WRIGHT J., HENRY G., ISAACSON H., VALENTI J., ANDERSON J. & PISKUNOV N.
ApJ., 730, 10
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5