Planet HD 2638 b

Name HD 2638 b
Planet Status Confirmed
Discovered in 2005
Mass 0.48 MJ
Mass*sin(i) 0.48 MJ
Semi-Major Axis 0.044 AU
Orbital Period 3.43752 (± 0.008239) day +
Eccentricity 0.0407 ( -0.0351 +0.0407 )
ω 126.9 (± 78.6) deg +
Tperi 2453323.282 JD
Radius 1.04 RJ
Inclination
Update 2016-09-03
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method Theoretical
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0 53323.206 (± 0.002) JD
Velocity Semiamplitude K 66.26 (± 2.83) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 2638
Name HD 2638
Distance 53.71 pc
Spectral type G5
Apparent magnitude V 9.44
Mass 0.93 MSun
Age 3.0 Gyr
Effective temperature 5192.0 (± 38.0) K
Radius
Metallicity [Fe/H] 0.16 (± 0.05)
Detected Disc
Magnetic Field
RA2000 00:29:59.0
Dec2000 -05:45:50
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

Wittrock et al. (2016) : HD 2638 has a late-type M dwarf companion (0.483 solar mass and a temperature of 3570K) with a projected separation of 25.6 +/- 1.9 AU.

Other web-pages


Related publications

Stellar Companions to the Exoplanet Host Stars HD 2638 and HD 164509
2016 WITTROCK, J., KANE, S., HORCH, E. & 5 additional authors
Astron. J., 152, 149
arxiv  paper   ADS  

Know the Star, Know the Planet. III. Discovery of Late-Type Companions to Two Exoplanet Host Stars
2015 ROBERTS L., TOKOVININ A., MASON B., RIDDLE R., HARTKOPF W. et al.
Astron. J., 149, 4
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

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2011 WANG J. & FORD E.
MNRAS, 418, 1822
paper   arxiv

The Exoplanet Orbit Database
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PASP, 123, 412
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2011 ZOGHBI J.-P.
Publ. Astron. Soc. Australia, 28, 177
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2011 BROWN R.
ApJ., 733, 68
paper

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2011 SCHNEIDER J., DEDIEU C., LE SIDANER P., SAVALLE R. & ZOLOTUKHIN I.
Astron. & Astrophys., 532, A79
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2011 Michael Perryman
Content
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2010 GHEZZI L., CUNHA K., SMITH V., de ARAUJO F., SCHULER S. & de la REZA R.
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2010 DURAND-MANTEROLA H.
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2010 DONNISON J.
MNRAS, 406, 1918
paper

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ApJ., 724, 154
  preprint

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2009 JACKSON B., BARNES R. & GREENBERG R.
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Astron. & Astrophys.
preprint

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2007 MANDELL A., RAYMOND S. & SIGURDSSON S.
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2007 MARCHI S.
ApJ., 666, 475
arxiv   paper

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Astron. & Astrophys., 461, 171
paper

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ApJ., 646, 505
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The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.
2005 MOUTOU C., MAYOR M., BOUCHY F., LOVIS C., PEPE F., QUELOZ D., SANTOS N., SOSNOWSKA D., UDRY S., BENZ W., NAEF D., SEGRANSAN D., & SIVAN J.-P.
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paper

Spectroscopic metallicities for planet-host stars: extending the samples.
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Astron. & Astrophys., 437, 1127
paper

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2004 NORDSTROM B., MAYOR M., ANDERSEN J., HOLMBERG J., PONT F., JORGENSEN B., OLSEN E., UDRY S. & MOWLAVI N.
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