Notes for HD 134987

update: 22 November 2000

The planet(s):

• Detection method: Radial velocity (Marcy et al.)
• Basic data:

  Name:	HD 134987 b
  M.sini:	1.58 MJ
  Semi-major axis:	0.78 AU
  Orbital period:	260 d.
  Eccentricity:	0.24
  Omega (deg):	6
  T_peri (JD-2450000):	69.67
  Inclinaison:	-

• Remarks:
  22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 34 M_J and inclination of 2.7^o
  
• References:
  1. GIMENEZ A., 2000
     ubvy Photometry of stars with planets.
     Astron. & Astrophys., 356, 213.
     paper
  2. HAN I., BLACK D. & GATEWOOD G., 2000
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, 548, 57
     paper
  3. VOGT S., MARCY G., BUTLER P. & APPS K., 1999
     Six New Planets from the Keck Precision Velocity Survey
     ApJ., 536, 902
     paper
• Other Web pages:
  1. California Planet Search Team data

The star:

• Distance: ~ 25 pc
• Spectral type: G5V
• Apparent magnitude: V = 6.45
• Coordinates (2000):    RA = 15 13 28.6676       DEC = -25 18 33.649
• Metallicity: [Fe/H] = 0.23
• Mass (M_sun): M = 1.05
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 134987 ' in the `objects' field)