Notes for HD 19994

update: 20 April 2003

The planet(s):

• Detection method: Radial velocity
• Basic data:

  Name:	HD 19994 b
  M.sini:	2 MJ
  Semi-major axis:	1.3 AU
  Orbital period:	454 ± 19 d.
  Eccentricity:	0.2
  Omega (deg):	282 ± 47
  T_peri (JD-2450000):	1335 ± 79
  Inclination:	-

• Remarks:
  20 apr. 03: Planet in wide (a ~ 100 AU) binary system (Eggenberger et al 2003)
• References:
  1. EGGENBERGER A., UDRY S. & MAYOR M., 2003
     Planets in binaries.
     in Scientific Frontiers in Research on Extrasolar Planets, ASP Conference Series. D.Deming and S.Seager, eds.
     paper
  2. MAYOR M., UDRY S., NAEF D., PEPE F., QUELOZ D., SANTOS N. & BURNET M., 2004
     The CORALIE survey for southern extra-solar planets. XII: Orbital solutions for 16 extra-solar planets discovered with CORALIE.
     Astron. & Astrophys., 415, 391
     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. SMITH V., CUNHA K. & LAZZARO D., 2001
     The Abundance Distribution in the Extrasolar-Planet Host Star HD19994.
     Astron. J., 121, 3207
     paper
  5. 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. Geneva Observatory RV curve and data

The star:

• Distance: 22.38 pc
• Spectral type: F8V
• Apparent magnitude: V = 5.07
• Coordinates (2000):     RA = 03 12 46.4365       DEC = -01 11 45.964
• Metallicity: [Fe/H] = 0.23
• Mass (M_sun): M = 1.35
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` HD 19994 ' in the `objects' field)