Planet HD 27894 c

Name HD 27894 c
Planet Status Confirmed
Discovered in 2017
Mass 0.162 ( -0.04 +0.011 ) MJ
Mass*sin(i) 0.162 ( -0.04 +0.011 ) MJ
Semi-Major Axis 0.198 (± 0.001) AU
Orbital Period 36.07 ( -0.09 +0.26 ) JD
Eccentricity 0.015 ( -0.002 +0.02 )
ω 44.2 ( -7.5 +11.0 ) deg
Tperi
Radius
Inclination
Update 2017-06-25
Detection Method Radial Velocity
Mass Detection Method
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 11.57 ( -2.89 +2.79 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

HD 27894
Name HD 27894
Distance 42.37 pc
Spectral type K2 V
Apparent magnitude V 9.36
Mass 0.8 MSun
Age 3.9 Gyr
Effective temperature 4875.0 (± 81.0) K
Radius
Metallicity [Fe/H] 0.3 (± 0.07)
Detected Disc
Magnetic Field
RA2000 04:20:47.0
Dec2000 -59:24:39
Alternate Names
Planetary system
3 planets

More data


Related publications

Three planets around HD 27894. A close-in pair with a 2:1 period ratio and an eccentric Jovian planet at 5.4 AU
2017 TRIFONOV T., KÜRSTER M., ZECHMEISTER M., ZAKHOZHAY O., REFFERT S. et al.
Astron. & Astrophys., 602, L8
paper  arxiv  

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.
Astron. & Astrophys., 439, 367
paper