Notes for HD 6434

update: 7 February 2003

The planet(s):

• Detection method: Radial velocity
• Basic data:

  Name:	HD 6434 b
  M.sini:	0.48 MJ
  Semi-major axis:	0.15 AU
  Orbital period:	22.09 d.
  Eccentricity:	0.30 ± 0.15
  Omega (deg):	144 ± 13
  T_peri (JD-2450000):	1688.9 ± 0.7
  Inclination:	-

  Remarks:
  22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 196 M_J and inclination of 179.9^o
  
• References:
  1. HAN I., BLACK D. & GATEWOOD G., 2001
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, 548, L57
     paper
  2. 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., 125, 2664
     paper
  3. MAYOR M., UDRY S., NAEF D., PEPE F., QUELOZ D., SANTOS N. & BURNET M., 2004
     The CORALIE survey for southern extra-solar planets. XII: Orbital solutions for 16 extra-solar planets discovered with CORALIE.
     Astron. & Astrophys., 415, 391
     paper
• Other Web pages:
  1. Geneva Observatory RV curve and data

The star:

• Distance: 40.32 pc
• Spectral type: G3 IV
• Apparent magnitude: 7.72
• Coordinates (2000):     RA = 01 04 40.1511       DEC = -39 29 17.583
• Metallicity: [Fe/H]= -0.52
• Mass (M_sun): M= 1.0
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 6434 ' in the `objects' field)