Notes for HD 74156

by Jean Schneider

update: 9 May 2002

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The planet(s):

• Detection method: Radial velocity
• Basic data:

  Name:	HD 74156 b	HD 74156 c
  M.sini:	1.56 MJ	> 7.5 MJ
  Semi-major axis:	0.276 AU	3.47 AU
  Orbital period:	51.61 ± 0.053 d.	2300.0 d.
  Eccentricity:	0.649 ± 0.022	0.395 ± 0.074
  Omega (deg):	183.7 ± 3.3	240 ± 12
  T_peri (JD-2450000):	1981.4 ± 0.57	849
  Inclinaison:	-

• Remarks:
  
• References:
  1. NAGASAWA M., LIN D. & IDA S., 2002b
     Eccentricity Evolution of Extrasolar Planetary Systems due to the Depletion of Nascent Protostellar Disks.
     ApJ., submitted
     preprint
• Other Web pages:
  1. Geneva group velocity curve and data

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The star:

• Distance: 64.56 pc
• Spectral type: G0
• Apparent magnitude: B = 8.16, V = 7.62
• Coordinates :      RA = 08 42 25.1222       DEC = +04 34 41.151
• Metallicity: [Fe/H]= 0.13
• Mass (M_sun): M= 1.05
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 74156 ' in the `objects' field)

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