Planet WASP-21 b

Name WASP-21 b
Planet Status Confirmed
Discovered in 2010
Mass 0.3 ( -0.01 +0.01 ) MJ
Mass*sin(i)
Semi-Major Axis 0.052 ( -0.00044 +0.00044 ) AU
Orbital Period 4.3225126 (± 2.2e-06) day +
Eccentricity 0.0
ω
Tperi
Radius 1.21 ( -0.032 +0.032 ) RJ
Inclination 87.12 (± 0.24) deg +
Update 2019-06-13
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method
Primary transit 2454743.04217 (± 0.00065) JD +
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

Star

WASP-21
Name WASP-21
Distance 230.0 (± 30.0) pc
Spectral type G3V
Apparent magnitude V 11.6
Mass 1.01 ( -0.025 +0.025 ) MSun
Age
Effective temperature 5800.0 (± 100.0) K
Radius 1.06 (± 0.04) RSun
Metallicity [Fe/H] -0.4 (± 0.1)
Detected Disc
Magnetic Field
RA2000 23:09:58.0
Dec2000 +18:23:46
Alternate Names
Planetary system 1 planet

Remarks

Alias GSC 1715-679

More data


Related publications

Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP-40 and WASP-21 systems
2015 SEELIGER M., KITZE M., EMMANN R., RICHTER S., OHLERT J. et al.
MNRAS, submitted
arxiv  

Simultaneous follow-up of planetary transits: revised physical properties for the planetary systems HAT-P-16 and WASP-21
2013 CICERI S., MANCINI L., SOUTHWORTH J., NIKOLOV N., BOZZA V. & 4 additional authors
Astron. & Astrophys., 557, A30
paper   arxiv  

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

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Factors Affecting the Radii of Close-in Transiting Exoplanets
2012 ENOCH B., COLLIER CAMERON A. & HORNE K.
Astron. & Astrophys., 540, A99
paper   arxiv   ADS  

Constraining Tidal Dissipation in Stars from The Destruction Rates of Exoplanets
2012 PENEV K., JACKSON B., SPADA F. & THOM N.
ApJ., 751, 96
paper   arxiv   ADS  

The Reflection Effect in Interacting Binaries or in Planet-Star Systems
2011 BUDAJ J.
Astron. J., 141, 59
paper

A lower mass for the exoplanet WASP-21b
2011 BARROS S., POLLACCO D., GIBSON N., HOWARTH I., KEENAN F., SIMPSON E., SKILLEN I. & STEELE I.
MNRAS, 416, 2593
<paper   a target="_blank" href="http://arxiv.org/abs/1106.2118">arxiv

Quantization of Planetary Systems and its Dependency on Stellar Rotation
2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, 177
paper   arxiv   ADS  

Defining and cataloging exoplanets: The exoplanet.eu database
2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper   arxiv

Determining Eccentricities of Transiting Planets: A Divide in the Mass-Period Plane
2011 PONT F., HUSNOO N., MAZEH T. & FABRYCKY D.
MNRAS
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

The Exoplanet Orbit Database
2011 WRIGHT J., FAKHOURI O., MARCY G., HAN E., FENG Y., JOHNSON A., HOWARD A., VALENTI J., ANDERSON J. & PISKUNOV N.
PASP, 123, 412
paper   arxiv

WASP-21b: a hot-Saturn exoplanet transiting a thick disc star
2010 BOUCHY F., HEBB L., SKILLEN I., COLLIER CAMERON A., SMALLEY B., UDRY S., ANDERSON D., BOISSE I., ENOCH B., HASWELL C., HEBRARD G., HELLIER C. JOSHI Y., KANE S., MAXTED P., MAYOR M., MOUTOU C., POLLACCO D., QUELOZ D., SIMPSON E., SMITH A., STEMPELS H., STREET R., TRIAUD A. & WEST R.
Astron. & Astrophys., 519, A98
paper

Limits on the Orbits and Masses of Moons around Currently-Known Transiting Exoplanets
2010 WEIDNER C. & HORNE K.
Astron. & Astrophys., 521, A76
paper   preprint