Notes for HD 12661

by Jean Schneider

update: 22 October 2002

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The planet(s):

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

  Name:	HD 12661 b	HD 12661 c
  M.sini:	2.30 MJ	1.57 MJ
  Semi-major axis:	0.83 AU	2.56 AU
  Orbital period:	263.6 ± 1.2d.	1444.5 ± 12.5d.
  Eccentricity:	0.35 ± 0.03	0.20 ± 0.04
  Omega (deg):	291.73 ± 5.0	162.4 ± 18.5
  T_peri :	2449941.9 ± 6.2	2449733.6 ± 49.0
  Inclinaison:	-	-

• Remarks:
  22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 56 M_J and inclination of 2.9^o
  
• References:
  1. FISCHER D., MARCY G., BUTLER P., VOGT S., FRINK S. & APPS K., 2000
     Planetary Companions to HD 12661, HD 92788, HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets.
     ApJ, 551, 1107
     paper
  2. FISCHER D., MARCY G., BUTLER P., VOGT S., HENRY G., POURBAIX D., WALP B., MISCH A., & WRIGHT J., 2002c
     A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529.
     ApJ., submitted
     preprint
  3. GOZ'DZIEWSKI K., 2002b
     A Dynamical Analysis of the HD 12661 Planetary System.
     Astron. & Astrophys., submitted
     abstract
  4. HAN I., BLACK D. & GATEWOOD G., 2000
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, accepted
     paper
  5. KISELEVA-EGGLETON L., BOIS E., RAMBAUX N. & DVORAK R., 2002
     Global dynamics and stability limits for planetary systems around HD 12661, HD 38529, HD 37124 and HD 160691.
     ApJ. Letters, 578, L145
     paper
  6. ZHAO G., CHEN Y., QIU H. & LI. Z., 2002
     Chemical Abundances of 15 Extrasolar-Planet Host Stars.
     Astron. J., 124, 2224
     paper
• Other Web pages:
  1. Velocity curve and data (California Planet Search Team)

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The star:

• Distance: 37.16 pc
• Spectral type: G6 V
• Apparent magnitude: V = 7.44
• Coordinates (2000):     RA = 02 04 34.29 DEC = +25 24 51.5      
• Metallicity: [Fe/H] = 0.293
• Mass (M_sun): M = 1.07
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 12661 ' in the `objects' field)

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