Notes for GM Aurigae

update: 12 February 2003

The planet(s):

• Detection method: Gap in disk
• Basic data:

  Name:	GM Aurigae b
  M.sini:	~ 1.7 MJ
  Semi-major axis:	2.5 AU
  Orbital period:	~ 4 yrs.
  Eccentricity:	-
  Omega (deg):	-
  T_peri (JD-2450000):	-
  Inclination:	54 ± 5 deg

• Remarks:
  • 12 Feb 03: Planet yet undetected; parameters predicted from disk spectral energy distribution (Rice et al 2003).
    
• References:
  1. RICE W., WOOD K., ARMITAGE P., WHITNEY B. & BJORKMAN J., 2003
     Constraints on a planetary origin for the gap in GM Aurigae's protoplanetary disc.
     MNRAS, accepted
     preprint
• Other Web pages:

The star:

• Distance: 140 pc
• Spectral type: K5V:e T Tau-type
• Apparent magnitude: V = 5.07
• Coordinates (2000):     RA = 04 55 10.2       DEC = +30 21 58
• Metallicity: [Fe/H] = ?
• Mass (M_sun): M = 0.85
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` GM Aur ' in the `objects' field)