Notes for HD 202206

update: 18 November 2004

The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 202206 b	HD 202206 c
  M.sini:	17.4 MJ	2.44 MJ
  Semi-major axis:	0.83 AU	2.55 AU
  Orbital period:	255.87 ± 0.06 d.	1383.4 ± 18.4 d.
  Eccentricity:	0.435 ± 0.001	0.267 ± 0.021
  Omega (deg):	161.18 ± 0.30	78.99 ± 6.65
  T_peri (JD-2400000):	52250.0 (fixed)	52250.0 (fixed)
  Inclination:	-	-

• Remarks:
• References:
  1. CORREIA A., UDRY S., MAYOR M., LASKAR J., NAEF D., PEPE F., QUELOZ D., & SANTOS N., 2004
     The CORALIE survey for southern extra-solar planets. XIII. A pair of planets around HD 202206 or a circumbinary planet?
     Astron. & Astrophys., submitted
     preprint
  2. UDRY S., MAYOR M., NAEF D., PEPE F., QUELOZ D., SANTOS N. & BURNET M., 2004
     The CORALIE survey for southern extra-solar planets VIII. The very low-mass companions of HD 141937, HD 162020, HD 168443, HD 202206: Brown dwarfs or "superplanets".
     Astron. & Astrophys., 390, 267
     paper
• Other Web pages:
  1. Geneva Observatory data

The star:

• Distance: 46.34 pc
• Spectral type: G6 V
• Apparent magnitude: V = 8.8
• Metallicity: [Fe/H] = 0.37 ± 0.07
• Mass (M_sun): M = 1.15
• Coordinates (2000):     RA = 21 14 57.7693, :     DEC = -20 47 21.154
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 202206 ' in the `objects' field)