Planet Qatar-2 b

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

Planet parameters Publications Observability Predictor

Planet

Name

Qatar-2 b

Planet Status

Confirmed

Discovered in

2011

Update

2021-02-05

Mass

2.494 (\begin{matrix} + 0.054 \\ - 0.054 \end{matrix})

M_J 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Mass*sin(i)

—

Semi-Major Axis

0.02153 (\begin{matrix} + 0.0002 \\ - 0.0002 \end{matrix})

AU 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Orbital Period

1.33711647 (\begin{matrix} + 2.6e-07 \\ - 2.6e-07 \end{matrix})

day 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Eccentricity

— 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

1.254 (\begin{matrix} + 0.013 \\ - 0.013 \end{matrix})

R_J 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Inclination

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

deg 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2455624.26679 (\pm 0.00011)

JD 1 publication

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

Secondary transit

—

λ

15.0 (\pm 20.0)

deg 1 publication

The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

558.7 (\begin{matrix} + 5.9 \\ - 5.9 \end{matrix})

m/s 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Calculated temperature

1344.0 (\begin{matrix} + 14.0 \\ - 14.0 \end{matrix})

K 1 publication

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J13503740-0648145 b, EPIC 212756297.01, GSC 04974-00112 b, WISE J135037.33-064814.5  b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

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 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

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 b

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

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

A New Analysis of 8 Spitzer Phase Curves and Hot Jupiter Population Trends: Qatar-1b, Qatar-2b, WASP-52b, WASP-34b, and WASP-140b

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

Activity induced variation in spin-orbit angles as derived from Rossiter-McLaughlin measurements

The GAPS Programme with HARPS-N at TNG. XIII. The orbital obliquity of three close-in massive planets hosted by dwarf K-type stars: WASP-43, HAT-P-20 and Qatar-2

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

Transiting exoplanet candidates from K2 Campaigns 5 and 6

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

Physical properties, star-spot activity, orbital obliquity and transmission spectrum of the Qatar-2 planetary system from multicolour photometry

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities

Factors Affecting the Radii of Close-in Transiting Exoplanets

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