WASP-11/HAT-P-10

WASP-11/HAT-P-10
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Aries
Right ascension 03h 09m 28.541s[1]
Declination +30° 40 24.84[1]
Apparent magnitude (V) 11.57 ± 0.15[2]
Characteristics
Spectral type K3V[3]
Apparent magnitude (B) 12.58 ± 0.30[2]
Apparent magnitude (V) 11.57 ± 0.15[2]
Apparent magnitude (J) 10.015 ± 0.020[2]
Apparent magnitude (H) 9.560 ± 0.019[2]
Apparent magnitude (K) 9.421 ± 0.017[2]
Astrometry
Proper motion (μ) RA: –3.1 ± 0.9[2] mas/yr
Dec.: –40.2 ± 0.7[2] mas/yr
Distance408+20
16
[4] ly
(125+6
5
[4] pc)
Details
Mass0.82 ± 0.03 M
Radius0.81+0.03
0.02
 R
Luminosity0.36+0.04
0.03
 L
Surface gravity (log g)4.56 ± 0.02[5] cgs
Temperature4974 ± 65[5] K
Metallicity [Fe/H]0.25 ± 0.07[5] dex
Rotational velocity (v sin i)1.9 ± 0.9[5] km/s
Age11.2 ± 4.1 Gyr
Other designations
TYC 2340-1714-1, WASP-11, GSC 02340-01714, 2MASS J03092855+3040249, UCAC2 42532154, HAT-P-10
Database references
SIMBADdata
Extrasolar Planets
Encyclopaedia
data

WASP-11/HAT-P-10 is a binary star consisting a magnitude-12 main-sequence orange dwarf star and M-dwarf with separation of 42 AU. The system is located about 400 light years away in the constellation Aries.[2] [6]

Planetary system

A semi-Jovian planet, WASP-11b/HAT-P-10b (WASP-11 A b/HAT-P-10 A b), has been detected in 2008 around the primary star by two projects independently using the transit method in a circular orbit around this star.[3][4]

The WASP-11/HAT-P-10 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
WASP-11b/HAT-P-10b 0.53 ± 0.07 MJ 0.0439+0.0006
0.0009
[4]
3.722465+0.000006
0.000008
0 0.91+0.06
0.03
 RJ

See also

References

External links

Coordinates: 03h 09m 28.55s, +30° 40′ 24.9″