Notes for GJ 3021

by Jean Schneider

update: 29 March 2005

The planet(s):

• Detection method: Radial velocity.
• Basic data:

  Name:	GJ 3021 b
  M.sini:	3.32 MJ
  Semi-major axis:	0.49 AU
  Orbital period:	133.82 ± 0.2 d.
  Eccentricity:	0.505 ± 0.018
  Omega (deg):	291 ± 3
  T_peri (JD-2450000):	1412.48
  Inclination:	-

• Remarks:
  22 Nov. 00: From astrometry Han et al (2000) claim a preliminary mass of 16 M_J and inclination of 11.8^o
  
• References:
  1. 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
  2. BODAGHEE A., SANTOS N., ISRAELIAN G. & MAYOR M., 2003
     Chemical abudnances of planet-host stars: Results for alpha and Fe-group elements.
     Astron. & Astrophys., 404, 715
     paper
  4. HAN I., BLACK D. & GATEWOOD G., 2000
     Preliminary astrometric masses for proposed exrasolar planetary companions.
     ApJ. Letters, 548, 57
     paper
  5. NAEF D., MAYOR M., PEPE F., QUELOZ D., UDRY S. & BURNET M., 2000
     A planetary companion around the young G6 dawrf Gliese-Jahrheiss 3021.
     Contribution to the "Disks, Planetesimals and Planets" Conference, Tenerife, Jan. 2000
     paper
  6. NAEF D., MAYOR M., PEPE F., QUELOZ D., SANTOS N., UDRY S. & BURNET M., 2001a
     The CORALIE survey for southern extrasolar planets V. 3 new extrasolar planets.
     Astron. & Astrophys., 375, 205
     paper
  7. SCHÜTZ O., BÖHNHARDT H., PANTIN E., STERZIK M., ELS S., HAHN J. & HENNING Th., 2004
     A search for circumstellar dust disks with ADONIS.
     Astron. & Astrophys., accepted
     preprint
  8. STEVENS I., 2004
     Magnetospheric Radio Emission from Extrasolar Giant Planets: The Role of the Host Stars.
     MNRAS, in press
     preprint
• Other Web pages:
  1. Star and planet data (Geneva)
  2. Announcement

The star:

• Distance: 17.62 pc
• Spectral type: G6V
• Apparent magnitude: V = 6.59
• Coordinates (2000):     RA = 00 16 12.6775       DEC = -79 51 04.254
• Metallicity: [Fe/H] = 0.2
• Mass (M_sun): M = 0.9
• More data:
  • Basic Data (from simbad )
  • Most recent refs. (from ADS; enter ` GJ 3021 ' in the `objects' field)