Remarks: 14 Nov. 03: The planetary nature of the object is challenged by
Burgasser et al (2003). The planet may be a member of a planetary system
surrounding the quintuple star HR 1931 (Martin & Zapatero 2003)
References:
BURGASSER A., KIRKPATRICK J., McGOVERN M., McLEAN I., PRATO L.
& REID 2003
S Ori 70: Just a Foreground Field
Brown Dwarf? ApJ, 604, L827 paper
MARTIN E., 2004
S Ori 70: still a strong cluster planet candidate.
in Moriond_YLU 2004, A. Chalabaev, Y. Fukui and T. Montmerle Eds. paper
MARTIN E. & ZAPATERO-OSORIO R.,, 2003
Spectroscopic Estimate of Surface
Gravity for a Planetary Member in the \sigori Cluster. ApJ. Letters, 593, L113 paper
ZAPATERO-OSORIO M., BEJAR V., MARTIN E., REBOLO R., BARRADO Y NAVASCUES D.,
MUNDT R., EISLOFFEL J., & CABALLERO J., 2002
A Methane Isolated Planetary Mass Object in Orion. ApJ., 578, 536 paper