Notes for S Ori 68

by Jean Schneider

update: 31 August 2006

The planet:

• Detection method: Direct Imaging
• Type: "Cluster planet"
• Basic data:

  Name:	S Ori 68
  M:	5 MJ
  TEff:
  Surface gravity:
  Radius:
  Distance:	~ 440 pc
  Apparent magnitude:	J = 20.2
  Coordinates	(2000): RA = 05 38 39.1, DEC = -02 28 05/td>

• Remarks:
  31 Aug. 06: The object could be a companion of SE 70 1700 AU away (Caballero et al 2006).

• References:
  • CABALLERO J., MARTIN E., DOBBIE P. & BARRADO Y NAVASCUES D. , 2006
    Are isolated planetary-mass objects really isolated? A brown dwarf-exoplanet system candidate in the sigma Orionis cluster
    Astron. & Astrophys. , accepted
    preprint
  • ZAPATERO-OSORIO M., BEJAR V., MARTIN E., REBOLO R., BARRADO Y NAVASCUES D., BAILER-JONES C. & MUNDT R. , 2000
    Discovery of Young, Isolated Planetary Mass Objects in the Orionis Star Cluster.
    Science , 290 , 103
    paper

• Other Web pages:
  • Simbad data