Notes for HD 27442

update: 29 March 2005

The planet(s):

• Detection method: Radial velocity
• Basic data:

  Name:	HD 27442 b
  M.sini:	1.28 MJ
  Semi-major axis:	1.18 AU
  Orbital period:	423.841 d.
  Eccentricity:	0.07
  Omega (deg):	4
  T_peri (JD-2450000):	2295.65
  Inclination:	-

• Remarks: Star in double system
• References:
  1. BUTLER P., TINNEY C., MARCY G., JONES H., PENNY A. & APPS K., 2001
     Two New Planets from the Anglo-Australian Planet Search.
     ApJ., 555, 410
     paper
  2. BEICHMAN C., BRYDEN G., PIEKE G., STANSBERRY J., TRILLING D., STAPELFELDT K., WERNER M., ENGELBRECHT C., BLAYLOCK M., GORDON K., CHEN C., SU K. & HINES D., 2004
     Planets and IR Excesses: Preliminary Results from a Spitzer MIPS Survey of Solar-Type Stars.
     ApJ. , 622, 1160
     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
• Other Web pages:
  1. Anglo-Australian Observatory press release and planet data
  2. RV curve and planet data (Marcy et al)

The star:

• Distance: 18.1 pc
• Spectral type: K2IVa
• Apparent magnitude: V = 4.442
• Coordinates (2000):     RA = 04 16 29.0287       DEC = -59 18 07.763
• Metallicity: [Fe/H]= 0.2
• Mass (M_sun): M= 1.2
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 27442 ' in the `objects' field)