Planet HD 181720 b

Name HD 181720 b
Discovered in 2009
M × sin i 0.37 MJ
Semi-major axis 1.78 AU
Orbital period 956.0 (± 14.0) day
Eccentricity 0.26 (± 0.06)
ω 177.0 (± 12.0) deg
Tperi 2453631.0 (± 30.0) JD
Radius
Inclination 1.0 ( -0.9 +0.9 ) deg;
Update Jan. 11, 2011
Detection method detected by radial velocity
Molecules detected
Primary transit
Secondary transit
Anomaly angle
Time Vr=0
Calculated temperature
Measured temperature
Hottest point longitute
Surface gravity log(g/gH)

Remarks

11 Jan 2011: Reffert et al. 2011 give a mass range derived from astrometry 6.1 - 217.9 MJup at the 3 σ level.
The errors on inclination are at the 3 σ level (Reffert et al. 2011)

Star

Name HD 181720
Distance 56.0 (± 4.0) pc
Spectral type G1V
Apparent magnitude V 7.86
Mass 0.92 MSun
Age
Effective temperature 5781.0 (± 18.0) K
Radius
Metallicity [Fe/H] -0.53 (± 0.02)
RA2000 19:22:53.0
Dec2000 -32:55:09
Planetary system 1 planet

More data


Related publications

The frequency of giant planets around metal-poor stars
July 20, 2012 MORTIER A., SANTOS N., SOZZETTI A., MAYOR M., LATHAM D. & 2 additional authors
Astron. & Astrophys., 543, A45
paper   arxiv

Taxonomy of the extrasolar planet
April 21, 2012 PLAVALOVA E.
Astrobiology, 12, 361
paper   arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
Feb. 10, 2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS
arxiv

The Exoplanet Handbook
May 22, 2012 Michael Perryman
Content
Content and Chapter 5

Defining and cataloging exoplanets: The exoplanet.eu database
Aug. 1, 2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
paper   arxiv

Density Estimation for Projected Exoplanet Quantities
May 6, 2011 BROWN R.
ApJ., 733, 68
paper

The Exoplanet Orbit Database
April 23, 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

Quantization of Planetary Systems and its Dependency on Stellar Rotation
March 8, 2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia
arxiv

Mass constraints on substellar companions candidates from the re-reduced Hipparcos intermediate astrometric data: Nine confirmed planets and two confirmed brown dwarfs
Feb. 11, 2011 REFFERT S. & QUIRRENBACH A.
Astron. & Astrophys., 527, A140
paper   arxiv

The HARPS search for southern extrasolar planets XXV. Results from the metal-poor sample
Jan. 10, 2011 SANTOS N., MAYOR M., BONFILS X., DUMUSQUE X., BOUCHY F., FIGUEIRA P., LOVIS C., MELO C., PEPE F., QUELOZ D., SEGRANSAN D., SOUSA S. & UDRY S.
paper

Exoplanet Data Explorer
Dec. 6, 2010 WRIGHT J., MARCY G. & the California Planet Survey consortium
web page

Planetary detection limits taking into account stellar noise. I. Observational strategies to reduce stellar oscillation and granulation effects
Oct. 14, 2010 DUMUSQUE X., UDRY S., LOVIS Ch., SANTOS N. & MONTEIRO M.
Astron. & Astrophys.
arxiv

The Hill stability of the possible moons of extrasolar planets
Sept. 11, 2010 DONNISON J.
MNRAS, 406, 1918
paper

The HARPS search for southern extrasolar planets XXI. Three new giant planets orbiting the metal-poor stars HD5388, HD181720, and HD190984
March 30, 2010 SANTOS N., MAYOR M., BENZ W., BOUCHY F., FIGUEIRA P., LO CURTO G., LOVIS Ch., MELO C., MOUTOU C., NAEF D., PEPE F., QUELOZ D., SOUSA S. & UDRY S.
Astron. & Astrophys., 512, A47
paper

Radial Velocity planet search around solar-type stars: The HARPS GTO legacy
Dec. 6, 2010 UDRY S.
[Exoplanets] message

Planets and Debris Disks: Results from a Spitzer/MIPS Search for Infrared Excess
Oct. 24, 2009 BRYDEN G., BEICHMAN C., CARPENTER J., RIEKE G., STAPELFELDT K., WERNER M., TANNER A., LAWLER S., WYATT M., TRILLING D., SU K., BLAYLOCK M. & STANSBERRY J.
ApJ., 705, 1226
paper