Notes for HD 223084

update: 20 April 2003

The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 223084 b
  M.sini:	1.21 MJ
  Semi-major axis:	0.44 AU
  Orbital period:	104.090 ± 0.087 d.
  Eccentricity:	0.48 ± 0.03
  Omega (deg):	199 ± 8
  T_peri (HJD):	51912.4 ± 1.4
  Inclinaison:	-

• Remarks:
  The star is a binary
  20 apr 03: Object is a triple system (Eggenberger et al 2003)
  9 Oct. 02: Not a planet according to the Geneva Observatory Team 1 Oct. 02: Not a planet; the second component of the binary has a period of 104 d. (Mayor et al., private communication)
  
• References:
  1. EGGENBERGER A., UDRY S. & MAYOR M., 2003
     Planets in binaries.
     in Scientific Frontiers in Research on Extrasolar Planets, ASP Conference Series. D.Deming and S.Seager, eds.
     paper
• Other Web pages:
  1. Geneva Observatory data

The star:

• Distance: 38.6 pc
• Spectral type: G0
• Apparent magnitude: V = 7.24
• Metallicity: [Fe/H] = -0.20
• Mass (M_sun): M = 1.05
• Coordinates (2000):     RA = 23 46 34.1141       DEC = -08 59 48.738
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 223084 ' in the `objects' field)