Planet KOI-55 c
| Name | KOI-55 c | |
| Discovered in | 2011 | |
| M × sin i | 0.0021 MJ |  |
| Semi-major axis | 0.0076 AU | |
| Orbital period | 0.34289 ± 1.3e-05 days | |
| Eccentricity | — | |
| ω | — | |
| Tperi | — | |
| Radius | 0.078 RJ | |
| Inclination | — | |
| Update | Jan. 16, 2012 | |
| Detection method | detected by radial velocity | |
| Molecules detected | — |
Remarks
16 Jan 2012: The detection method is not exactly direct imaging, but "direct detection". The planet candidate is infered from reflected light from the parent star.Its radius is derived assuming an albedo of O.1 (Charpinet et al. 2011, eq. (D.14)).
Star
| Name | KOI-55 | |
| Distance | 1180 ± 95 pc | |
| Spectral type | sdB | |
| Apparent magnitude V | 14.87 | |
| Mass | 0.496 ± 0.002 MSun | |
| Age | 0.0184 ± 0.001 Gyr | |
| Effective temperature | 27730 ± 270 K | |
| Radius | 0.203 ± 0.007 RSun | |
| Metallicity [Fe/H] | ||
| RA2000 | 19:45:25.0 | |
| Dec2000 | +41:05:34 | |
| Planetary system | 2 planets |
More data
- Simbad
- Most recent references (ADS)
Related publications
Dynamics of Rotation of Super-Earths
June 2, 2012
CALLEGARI N. & RODRIGUEZ J.
arxiv
Small planets in tight orbits around a hot B subdwarf star
Feb. 24, 2012
CHARPINET S.
presentation
The Exoplanet Handbook
May 22, 2012
Michael Perryman
Content
Content and Chapter 5
A compact system of small planets around a former red-giant star
Dec. 23, 2011
CHARPINET S., FONTAINE G., BRASSARD P., GREEN E., VAN GROOTER V. & 6 additional authors
Nature, 480, 496
paper