Notes for HD 46375

update: 22 April 2005

The planet(s):

• Detection method: Radial Velocity (Keck)
• Basic data:

  Name:	HD 46375 b
  M.sini:	0.249 MJ
  Semi-major axis:	0.041 AU
  Orbital period:	3.024 d.
  Eccentricity:	0.04
  Omega (deg):	52
  T_peri (JD-2450000):	1582.02
  Inclination:	-

• Remarks: No transit found; gives inclination < 83 deg (Henry 2000).
• References:
  1. FERNANDEZ J. & SANTOS N., 2004
     Detailed theoretical models for extra-solar planet-host stars: The "red stragglers" HD37124 and HD46375.
     Astron. & Astrophys., 427, 607
     paper
  2. HENRY G., 2000
     Search for transits of a short-period sub-Saturn extrasolar planet orbiting HD 46375.
     ApJ. Lett., 536 L47
     paper
  3. 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
  4. MARCY G., BUTLER P. & VOGT S., 2000
     Sub-Saturn Planet Candidates to HD 16141 and HD 46375.
     ApJ. Letters, 536, L43
     paper
  5. PREUSSE S., KOPP A., BÜCHNER J. & MOTSCHMANN U., 2005
     Stellar wind regimes of close-in extrasolar planets.
     Astron. & Astrophys., 434, 1191
     paper
• Other Web pages:
  1. Radial velocity curve (Marcy et al)
  2. Planet data (Marcy et al)
  3. NASA graphics

The star:

• Distance: 33.4 pc
• Spectral type: K1 IV
• Apparent magnitude: V = 7.94
• Coordinates (2000):     RA = 06 33 12.6237       DEC = +05 27 46.532
• Metallicity: [Fe/H]= 0.25
• Mass (M_sun): M= 1.00
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 46375 ' in the `objects' field)