Notes for HD 4203

update: 10 July 2003

The planet(s):

• Basic data:

  Name:	HD 4203 b
  M.sini:	1.65 MJ
  Semi-major axis:	1.09 AU
  Orbital period:	400.944 d.
  Eccentricity:	0.46
  Omega (deg):	289
  T_peri (JD-2450000):	-112.88
  Inclination:	-

• Remarks:
• References:
  1. 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., accepted
     preprint
  2. VOGT S., BUTLER P., MARCY G., FISCHER D., POURBAIX D., APPS K., & LAUGHLIN G., 2001
     Ten Low Mass Companions from the Keck Precision Velocity Survey.
     ApJ., 568, 352
     paper
• Other Web pages:
  1. "exoplanets.org" RV curve and data

The star:

• Distance: 77.5 pc
• Spectral type: G5
• Apparent magnitude: B = 9.41 V = 8.68
• Coordinates (2000):     RA = 00 44 41.2021       DEC = +20 26 56.138
• Metallicity: [Fe/H]= 0.22
• Mass (M_sun): M= 1.06
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 4203 ' in the `objects' field)