Notes for CAHA Tau 2

by Jean Schneider

update: 11 November 2009

The planet:

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

  Name:	CAHA Tau 2
  M:	11.5+3.5-3.5 MJ
  TEff:	2440 ± 200 K
  Age:	1 - 3 Myr
  Apparent magnitude:	I = 19.16 ± 0.17
  Coordinates	(2000): RA = 04 39 47.2, DEC = +25 53 32.2

• Remarks:
  11 Nov. 09: The mass uncertainty is related to the uncertainty on age. Quantz et al 2009 give: M = 7, 10 and 12 M_J for an age of 1, 2 and 3 Myr respectively.
  

• References:
  • QUANTZ S., GOLDMAN B., HENNING Th., BRANDNER W., BURROWSA. & HOFSTETTER L. , 2009
    Search for very low-mass brown dwarfs and free-floating planetary-mass objects in Taurus
    ApJ. , - , -
    accepted
    preprint

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