Notes for HD 2638

update: 14 February 2005

The planet(s):

• Detection method: Radial Velocity
• Basic data:

  Name:	HD 2638 b
  M.sini:	0.48 MJ
  Semi-major axis:	0.044 AU
  Orbital period:	3.4442 ± 0.0002 d
  Eccentricity:	0
  Omega (deg):	0
  T_peri (JD-2400000):	53323.206 ± 0.002
  Inclination:	-

• Remarks:
  
• References:
  1. MOUTOU C., MAYOR M., BOUCHY F., LOVIS C., PEPE F., QUELOZ D., SANTOS N., SOSNOWSKA D., UDRY S., BENZ W., NAEF D., SEGRESAN D., & SIVAN J.-P., 2005
     The HARPS search for southern extra-solar planets. IV. Three close-in planets around HD 2638, HD 27894 and HD 63454.
     Astron. & Astrophys., submitted
     
• Other Web pages:
  1. Geneva Observatory Data

The star:

• Distance: 53.71 pc
• Spectral type: G5
• Apparent magnitude: V = 9.44
• Metallicity: [Fe/H] = 0.16 ± 0.05
• Mass (M_sun): M = 0.93
• Coordinates (2000):     RA = 00 29 59.8720       DEC = -05 45 50.406
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 2638 ' in the `objects' field)