Notes for HD 104985

update: 26 June 2003

The planets:

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 104985 b
  M.sini:	6.3 MJ
  Semi-major axis:	0.78 AU
  Orbital period:	198.2 ± 0.3 d.
  Eccentricity:	0.03 ±0.02
  Omega (deg):	310 ± 30
  T_peri (JD-2450000):	1900 ± 20
  Inclination:	-

• Remarks:
• References:
  • SATO B., ANDO H., KAMBE E., TAKEDA Y., IZUMIURA H., MASUDA S., WATANABE E., NOGUCHI K., WADA S., OKADA N., KOYANO H., MAEHARA H., NORIMOTO Y., OKADA T., SHIMIZU Y., URAGUCHI F., YANAGISAWA K. & YOSHIDA M., 2003
    A Planetary Companion to the G-Type Giant Star HD 104985.
    ApJ. Letters, 597, L157
    paper

• Other Web pages:

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  The star:

  • Distance: 102 pc
  • Spectral type: G9III
  • Apparent magnitude: B = 6.819 , V = 5.797
  • Absolute luminosity:
  • Coordinates (2000): RA = 12 05 15.1178, DEC = +76 54 20.64
  • Metallicity: [Fe/H] = -0.35
  • Mass (M_sun): M = 1.5
  • More data:
    • Basic Data (from Simbad)
    • Most recent refs. (from ADS; enter `HD 104985' in the `objects' field)

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