Planet BD+20 1790 b

Name BD+20 1790 b
Planet Status Confirmed
Discovered in 2009
Mass 6.37 ( -1.35 +1.35 ) MJ
Mass*sin(i) 6.37 ( -1.35 +1.35 ) MJ
Semi-Major Axis 0.066 (± 0.006) AU
Orbital Period 7.78287 ( -0.00076 +0.00077 ) day
Eccentricity 0.22 ( -0.09 +0.07 )
ω 200.4 (± 21.8) deg
Tperi 3085.8 (± 0.5) JD
Radius
Inclination
Update 2017-05-04
Detection Method Other
Mass Detection Method
Radius Detection Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 905.0 ( -94.0 +93.0 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

BD+20 1790
Name BD+20 1790
Distance 25.4 (± 4.0) pc
Spectral type K5V
Apparent magnitude V 9.93
Mass 0.63 (± 0.09) MSun
Age 0.057 (± 0.023) Gyr
Effective temperature 4410.0 K
Radius 0.71 (± 0.03) RSun
Metallicity [Fe/H] 0.3 (± 0.2)
Detected Disc
Magnetic Field Yes
RA2000 07:23:44.0
Dec2000 +20:24:51
Alternate Names
Planetary system 1 planet

More data

Observability Predictor

Remarks

2015: BD+20 1790 is exceptionally active star, Herman-Obispo et al (2015) gives a second solution of the RV data: P=7.78429 days and Msini=6.24 mJ.

Related publications

Multi-band high resolution spectroscopy rules out the hot Jupiter BD+20 1790b - First data from the GIARPS Commissioning
2018 CARLEO I., BENATTI S., LANZA A., GRATTON R., CLAUDI R. et al.
Astron. & Astrophys., 613, A50
paper  arxiv  

Analysis of combined radial velocities and activity of BD+20 1790: evidence supporting the existence of a planetary companion
2015 HERNAN-OBISPO M., TUOMI M., GALVE-ORTIZ M., GOLOVIN A., BARNES R. et al.
Astron. & Astrophys., 576, A66
arxiv  arxiv  ADS  

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

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

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

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

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

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

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

Constraints on Long-Period Planets from an L' and M band Survey of Nearby Sun-Like Stars: Modeling Results
2010 HEINZE A., HINZ Ph., SIANANDAN S., KENWORTHY M., MEYER M. & MILLER D.
ApJ., 714, 1570
paper

Constraints on Long-Period Planets from an L' and M band Survey of Nearby Sun-Like Stars: Observations
2010 HEINZE A., HINZ Ph., SIVANANDAN S., KENWORTHY M., MEYER M. & MILLER D.
ApJ., 714, 1551
paper

Evidence of a massive planet candidate orbiting the young active K5V star BD+20 1790
2010 HERNAN-OBISPO M., GALVEZ-ORTIZ M., ANGLADA-ESCUDE G., KANE S., BARNES J., de CASTRO E. & COMIDE M.
Astron. & Astrophys., 512, A45
paper arxiv

Evidence against the young hot-Jupiter around BD +20 1790
2010 FIGUEIRA P., MARMIER M., BONFILS X., di FOLCO E., UDRY S., SANOS N., LOVIS Ch., MEGEVAND D., MELO C., PEPE F., QUELOZ D., SEGRANSAN D., TRIAUD A. & VIANA ALMEIDA P.
Astron. & Astrophys., 513, L8
paper

Evidence of a massive planet candidate orbiting the young active K5 star BD+201790
2009 HERNAN-OBISPO M., GALVEZ M.-C., ANGLADA-ESCUDE G., KANE S., de CASTRO E. & CORNIDE M.
Astron. & Astrophys.

BD+20 1790 b: Chronicle of an exoplanetary discovery
2009 HERNAN-OBISPO M., GALVEZ M.-C., ANGLADA-ESCUDE G., KANE S., de CASTRO E. & CORNIDE M.
paper