Planet rho CrB b

Name	rho CrB b
Discovered in	1997
M × sin i	1.04 M_J
Semi-major axis	0.22 AU
Orbital period	39.645 ± 0.088 days
Eccentricity	0.028 ± 0.04
ω	30 ± 74
T_peri	2.45056e+06 ± 0.54
Radius	—
Inclination	0.4 ⁺⁰_-0°
Update	Jan. 11, 2011
Detection method	controversial
Molecules detected	—

Remarks

11 Jan 2011: Reffert et al. 2011 give a mass range derived from astrometry 100 - 199.6 M_Jup at the 3 σ level .
The errors on inclination are at the 3 σ level (Reffert et al. 2011) 22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 115 M_J and inclination of 0.5^o
Circumstellar disk found at 1.6, 2,1 2.3 and 2.5 microns by Trilling et al (1999). From the disk inclination (46 degrees ⁺⁴_-7 degrees) a planet mass of 1.5 M_J can be infered. Comment by G. Marcy & P. Butler.

Other web-pages

A Planet Orbiting the Star rho Coronae Borealis (AFOE Website)
Position in the sky (from AFOE)
Velocity curve (California and Carnegie Planet Search)

Star

Name	rho CrB
Distance	17.43 ± 0.22 pc
Spectral type	G0V or G2V
Apparent magnitude V	5.4
Mass	0.99 ± 0.05 M_Sun
Age	9 ± 1.7 Gyr
Effective temperature	5822 ± 70 K
Radius	1.284 ± 0.082 R_Sun
Metallicity [Fe/H]	-0.24 ± 0.08
RA₂₀₀₀	16:01:03.0
Dec₂₀₀₀	+33:18:51
Planetary system	1 planet

More data

Simbad
Most recent references (ADS)

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