Planet BD20 2457 c

Name BD20 2457 c
Discovered in 2009
Mass 12.47 MJ
Semi-major axis 2.01 AU
Orbital period 621.99 (± 10.2) day
Eccentricity 0.18 (± 0.06)
ω 126.02 (± 16.54) deg
Tperi 2453867.45 (± 27.99) JD
Radius
Inclination
Update Aug. 27, 2014
Detection Method Radial Velocity
Mass Detection Method
Radius Detection method
Molecules detected
Primary transit
Secondary transit
Anomaly angle
impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)
Alternate Names

Observability Predictor

Star

Name BD20 2457
Distance 200.0 (± 100.0) pc
Spectral type K2II
Apparent magnitude V 9.75
Mass 2.8 (± 1.5) MSun
Age
Effective temperature 4127.0 (± 17.0) K
Radius
Metallicity [Fe/H] -1.0 (± 0.07)
Detected Disc
Magnetic Field
RA2000 10:16:45.0
Dec2000 +19:53:29
Alternate Names
Planetary system 2 planets

More data


Related publications

A Dynamical Investigation of the Proposed BD +20 2457 System
2014 HORNER J., WITTENMYER R., HINSE T. & MARSHALL J.
MNRAS, accepted
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

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

Quantization of Planetary Systems and its Dependency on Stellar Rotation
2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, Issue 3, 177-201
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

On the Ages of Planetary Systems with Mean Motion Resonances
2011 KORISKI Sh. & ZUCKER Sh.
ApJ. Letters, 741, L23
paper   arxiv

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

Density Estimation for Projected Exoplanet Quantities
2011 BROWN R.
ApJ., 733, 68
paper

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

The barycentric motion of exoplanet host stars - Tests of solar spin-orbit coupling
2011 PERRYMAN M. & SCHULZE-HARTUNG T.
Astron. & Astrophys., 525, A65
paper

The barycentric motion of exoplanet host stars: Tests of solar spin-orbit coupling
2010 PERRYMAN M. & SCHULZE-HARTUNG T.
Astron. & Astrophys., 525, A65, 6 pp
paper   preprint

Exoplanet Data Explorer
2010 WRIGHT J., MARCY G. & the California Planet Survey consortium
web page

The Penn State - Toruń Planet Search: target characteristics and recent results
2010 ZIELINSKI P., NIEDZIELSKI A., WOLSZCZAN A., NOWAK G., ADAMOW M. & GETTEL S.
arxiv

Substellar-mass companions to the K-dwarf BD +14 4559 and the K-giants HD 240210 and BD +20 2457
2009 NIEDZIELSKI A., NOWAK G., ADAMOW M. & WOLSZCZAN A.
ApJ.
paper

The Role of Planet Accretion in Creating the Next Generation of Red Giant Rapid Rotators
2009 CARLBERG J., MAJEWSKI S. & ARRAS Ph.
ApJ.
preprint