A Candidate Protoplanet in the Taurus Star Forming Region

Details A Candidate Protoplanet in the Taurus Star Forming Region A Candidate Protoplanet in the Taurus Star Forming Region

1998-08-26

arxiv.org/abs/astro-ph/9808302v1

Astronomy and Astrophysics

Astrophysics

16 pages, 1 figure, Accepted by Astrophysical Journal Letters, Related information is available at http://www.extrasolar.com

Scientific paper

10.1086/311671

HST/NICMOS images of the class I protostar TMR-1 (IRAS04361+2547) reveal a faint companion with 10.0" = 1400 AU projected separation. The central protostar is itself resolved as a close binary with 0.31" = 42 AU separation, surrounded by circumstellar reflection nebulosity. A long narrow filament seems to connect the protobinary to the faint companion TMR-1C, suggesting a physical association. If the sources are physically related then we hypothesize that TMR-1C has been ejected by the protobinary. If TMR-1C has the same age and distance as the protobinary then current models indicate its flux is consistent with a young giant planet of several Jovian masses.

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