Planet GJ 176 b

Name GJ 176 b
Discovered in 2007
Mass 0.0265 MJ
Mass*sin(i) 0.0265 MJ
Semi-Major Axis 0.066 AU
Orbital Period 8.7836 (± 0.0054) JD
Eccentricity 0.0 (± 0.0)
ω
Tperi
Radius
Inclination
Update 2010-12-17
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0 2454399.79 (± 0.33) JD
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 176
Name GJ 176
Distance 9.42 (± 0.22) pc
Spectral type M2.5V
Apparent magnitude V 9.97
Mass 0.49 (± 0.014) MSun
Age
Effective temperature
Radius 0.53 RSun
Metallicity [Fe/H] -0.1 (± 0.2)
Detected Disc
Magnetic Field
RA2000 04:42:56.0
Dec2000 +18:57:29
Alternate Names
Planetary system 2 planets

Remarks

Alias GJ 176

More data

Observability Predictor

Remarks

Alias GJ 176 b

05 Sep. 2008: A planet with a mass of 25 MEarth and a period of 10.24 days was claimed by Endl et al 2007. Forveille et al. 2008. show that Endl et al.'s detection is invalidated and propose a different planet with a mass of 7.8 Mearth and a period of 8.8 days.

Other web-pages

Geneva Observatory page
Mc Donald data

Related publications

Living with a Red Dwarf: Rotation and X-ray and Ultraviolet Properties of the Halo Population Kapteyn's Star
2016 GUINAN E., ENGLE S. & DURBIN A.
ApJ, accepted
arxiv  

Stellar Activity and its Implications for Exoplanet Detection on GJ 176
2015 ROBERTSON P., ENDL M., HENRY G., COCHRAN W., MacQUEEN Ph. & WILLIAMSON M.
ApJ, accepted
arxiv  

Stellar Diameters and Temperatures V. Eleven Newly Characterized Exoplanet Host Stars
2014 von BRAUN K., BOYAJIAN T., van BELLE G., KANE S., JONES J. & 15 additional auhors
MNRAS, 438, 2413
paper  arxiv  ADS  

Dynamics of Rotation of Super-Earths
2013 CALLEGARI N. & RODRIGUEZ J.
Cel. mech. & Dyn. Astron., 116, 389
arxiv   paper

Taxonomy of the extrasolar planet
2012 PLAVALOVA E.
Astrobiology, 12, 361
paper   arxiv

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2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
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The Exoplanet Orbit Database
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PASP, 123, 412
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The role of rotation on the evolution of dynamo generated magnetic fields in Super Earths
2011 ZUKUAGA J. & CUARTAS-RESTREPO P.
Icarus
arxiv

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2011 SELSIS F., WORDSWORTH R. & FORGET F.
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ApJ., 733, 68
paper

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2011 GELMAN S., ELKINS-TANTON L. & SEAGER S.
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2011 WANG J. & FORD E.
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The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

Tidal Evolution of Exoplanets
2010 CORREIA A & LASKAR J.
full text

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2010 ANGLADA-ESCUDE G., LOPEZ-MORALES M. & CHAMBERS J.
ApJ., 709, 168
paper

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paper

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2010 SCHARF C.
ApJ., 722, 1547
paper

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2010 SCHLAUFMAN K. & LAUGHLIN G.
Astron. & Astrophys.
preprint

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2010 GHEZZI L., CUNHA K., SMITH V., de ARAUJO F., SCHULER S. & de la REZA R.
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The Hill stability of the possible moons of extrasolar planets
2010 DONNISON J.
MNRAS, 406, 1918
paper

Nondetection of the Neptune-Mass Planet Reported Around GJ 176
2009 BUTLER P., HOWARD A., VOGT S. & WRIGHT J.
ApJ., 691, 1738
paper

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2009 JOHNSON J. & APPS K.
ApJ., 699, 933
paper

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2009 HAYWOOD M.
ApJ. Letters, 698, L1
paper

The role of high-pressure experiments on determining super-Earth properties
2009 VALENCIA D., O'CONNEL R. & SASSELOV D.
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The M dwarf planet search programme at the ESO VLT + UVES. A search for terrestrial planets in the habitable zone of M dwarfs
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paper

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paper

An m.sin i = 24 Earth Mass Planetary Companion to the Nearby M Dwarf GJ 176
2008 ENDL M., W. COCHRAN., WITTENMYER R. & A. BOSS
ApJ., 673, 1165
paper

The HARPS search for southern extra-solar planets: XIV. Gl 176b, a super-Earth rather than a Neptune, and at a different period
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paper

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Astron. & Astrophys.
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2008 KASHYAP V., DRAKE J. & SAAR S.
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