Notes for Gl 86
alias HD 13445, HR 637, HIP 10138update: 21 February 2002
The planet(s):
- Detection method: Radial Velocity at the Swiss 1.2 m telescope at La Silla
- Basic data:
Name: GI86 b M.sini: 4 MJ Semi-major axis: 0.11 AU Orbital period: 15.78 ± 0.04 d. Eccentricity: 0.046 ± 0.004 Omega (deg): 260 T_peri (JD-2450000): 1177.82 Inclinaison: - - Remarks:
April 01: A possible brown dwarf companion at ~ 20 AU (Els et al 2001)
22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 15 MJ and inclination of 164.0o
Jul. 8:The star is a spectroscopic binary. The separation between the components is > 10 AU. - References:
- ELS S., STERZIK M., MARCHIS F., PANTIN E., ENDL M. & KUERSTER M., 2001
A second substellar companion in the Gliese 86 system. A brown dwarf in an extrasolar planetary system.
Astron. & Astrophys., 370, L1
paper - GIMENEZ A., 2000
ubvy Photometry of stars with planets.
Astron. & Astrophys., 356, 213.
paper - HAN I., BLACK D. & GATEWOOD G., 2000
Preliminary astrometric masses for proposed exrasolar planetary companions.
ApJ. Letters, accepted
paper - LEE M. & PEALE S., 2001b
Dynamics and Origin of the 2:1 Orbital Resonances of the GJ 86A Planets.
ApJ, 567, 596
paper - QUELOZ D., MAYOR M., WEBER L., BLECHA A., BURNET M., CONFINO B.,
NAEF D., PEPE F., SANTOS N., & UDRY S., 2000
The CORALIE survey for southern extra-solar planets
I. A planet orbiting the star Gliese 86
Astron. & Astrophys., 354, 99
paper - RYAN S, 2000
The Host Stars of Extrasolar Planets Have Normal Lithium Abundances.
MNRAS, in press preprint
- ELS S., STERZIK M., MARCHIS F., PANTIN E., ENDL M. & KUERSTER M., 2001
- Other Web pages:
The star:
- Distance: 11 pc
- Spectral type: K1V
- Apparent magnitude: V = 6.17
- Coordinates (2000): RA = 02 10 14.42 DEC = -50 50 00.5
- Metallicity: [Fe/H]= -0.24
- Mass (M_sun): M= 0.79
- More data:
- Basic Data (from simbad )
- Most recent refs. (from ADS; enter ` Gl 86 ' in the `objects' field)
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