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

Update

2021-10-20

Mass

8.4 (\begin{matrix} + 0.0 \\ - 0.0 \end{matrix})

M_J 1 publication

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

332.0 (\pm 0.0)

day 1 publication

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

Eccentricity

0.09 (\pm 0.0)

1 publication

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Other

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

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.

No link

Star

Name

Qatar-2

Distance

182.32 (\begin{matrix} + 1.21 \\ - 1.21 \end{matrix})

Spectral type

K

Apparent magnitude V

13.3

Mass

0.74 (\pm 0.037)

M_Sun 1 publication

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

Age

5.0

Gyr

Effective temperature

4645.0 (\pm 50.0)

K 1 publication

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit

Radius

0.78 (\begin{matrix} + 0.01 \\ - 0.01 \end{matrix})

R_Sun

Metallicity [Fe/H]

0.02 (\begin{matrix} + 0.08 \\ - 0.08 \end{matrix})

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

No link

Simbad
Most recent references (ADS)

Planet Qatar-2 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet Qatar-2 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Homogeneously derived transit timings for 17 exoplanets and reassessed TTV trends for WASP-12 and WASP-4

The stellar obliquity, planet mass, and very low albedo of Qatar-2 from K2 Photometry

Recurring sets of recurring starspots on exoplanet-host Qatar-2

A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Qatar-2: A K Dwarf Orbited by a Transiting Hot Jupiter and a Longer-Period Massive Planet

The Exoplanet Handbook

Qatar-2: A K dwarf orbited by a transiting hot Jupiter and a more massive companion in an outer orbit