Notes for HD 73256

update: 29 June 2003

The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 73256 b
  M.sini:	1.87 MJ
  Semi-major axis:	0.037
  Orbital period:	2.54858 ± 0.00016 d.
  Eccentricity:	0.03 ± 0.02
  Omega (deg):	334.7 ± 5.5
  T_peri (JD - 2 400 000 ):	52500.15 ± 0.004
  Inclination:	-

• Remarks:
• References:
  1. UDRY S., MAYOR M., CLAUSEN J., FREYHAMMER L., HELT B., LOVIS C., NAEF D., OLSEN E., PEPE F., QUELOZ D. & SANTOS N., 2003
     he CORALIE survey for southern extra-solar planets X: A Hot Jupiter orbiting HD 73256.
     Astron. & Astrophys., 407, 679
     paper
• Other Web pages:
  1. Discovery announcement
  2. Geneva Observatory Planet Search data

The star:

• Distance: 36.5 pc
• Spectral type: G8/K0
• Apparent magnitude: V = 8.08
• Metallicity: [Fe/H]= 0.29 ± 0.05
• Mass (M_sun): M = 1.05
• Coordinates (2000):     RA = 08 36 23.0155       DEC = -30 02 15.45
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 73256 ' in the `objects' field)