Notes for HD 213240

update: 7 February 2003

The planets:

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 213240 b
  M.sini:	4.5 MJ
  Semi-major axis:	2.03 AU
  Orbital period:	951 ± 42 d.
  Eccentricity:	0.45 ± 0.04
  Omega (deg):	214 ± 7
  T_peri (JD-2450000):	51520 ± 11
  Inclination:	-

• Remarks:
• References:
  • LAWS Ch., GONZALEZ G., WALKER K., TYAGI S., DODSWORTH J., SNIDER K. & SUNTZEFF N., 2003
    Parent Stars of Extrasolar Planets VII: New Abundance Analyses of 30 Systems.
    Astron. J., accepted
    preprint
  • SANTOS N., MAYOR M., NAEF D., PEPE F., QUELOZ D., UDRY S. & BURNET M., 2001e
    The CORALIE survey for southern extra-solar planets VI. New long-period giant planets around HD28185 and HD213240.
    Astron. & Astrophys., 379, 999
    paper

• Other Web pages:
  • Geneva Observatory velocity curve and data

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  The star:

  • Distance: 40.75 pc
  • Spectral type: G4IV
  • Apparent magnitude: B = 7.41 , V = 6.80
  • Absolute luminosity:
  • Coordinates (2000): RA = 22 31 00.3672, DEC = -49 25 59.773
  • Metallicity: [Fe/H]= 0.23
  • Mass (M_sun): M= 1.22
  • More data:
    • Basic Data (from Simbad)
    • Most recent refs. (from ADS; enter `HD 213240' in the `objects' field)

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