Planet Qatar-2 c

Detailed information about planet Qatar-2 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
Qatar-2 c
Planet Status
Candidate
Discovered in
2011
Publication
Status
—
Update
2021-10-20
Mass
8.4 ( +0.0 -0.0 ) MJ
Mass*sin(i)
—
Semi-Major Axis
—
Orbital Period
332.0 ( ± 0.0 ) day
Eccentricity
0.09 ( ± 0.0 )
Angular distance
—
ω
—
Tperi
—
Radius
—
Inclination
—
Detection Method
Other
Mass Meas. Method
—
Radius Meas. Method
—
Primary transit
—
Secondary transit
—
λ
—
Impact Parameter b
—
Time Vr=0
—
Velocity Semiamplitude K
—
Calculated temperature
—
Measured temperature
—
Hottest point longitude
—
Geometric albedo
—
Surface gravity log(g/gH)
—
Alternate Names
—
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

27 Oct 2011: Quatar-2c is inferred from the RV variation of Quatar-2. "The parameters given here for the outer companion should be treated with extreme caution" (Bryan et al. 2011). To be confirmed by further RV measurements.

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Star

Name
Qatar-2
Distance
182.32 ( +1.21 -1.21 ) pc
Spectral type
K
Apparent magnitude V
13.3
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.74 ( ± 0.037 ) MSun
Age
5.0 Gyr
Effective temperature
4645.0 ( ± 50.0 ) K
Radius
0.78 ( +0.01 -0.01 ) RSun
Metallicity [Fe/H]
0.02 ( +0.08 -0.08 )
Detected Disc
—
Magnetic Field
—
RA2000
13:50:37.4
Dec2000
-06:48:14.5
Alternate Names
2MASS J13503740-0648145, EPIC 212756297, GSC 04974-00112, WISE J135037.33-064814.5

Alias 2MASS 13503740-0648145

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