Candidate Coronagraphic Detections of Protoplanetary Disks around Four Young Stars

Details Candidate Coronagraphic Detections of Protoplanetary Disks around Four Young Stars Candidate Coronagraphic Detections of Protoplanetary Disks around Four Young Stars

2009-11-30

arxiv.org/abs/0911.5583v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

9 Figures, 40 pages

Scientific paper

We present potential detections of H-band scattered light emission around four young star, selected from a total sample of 45 young stars observed with the CIAO coronagraph of the Subaru telescope. Two CTTS, CI Tau and DI Cep, and two WTTS, LkCa 14 and RXJ 0338.3+1020 were detected. In all four cases, the extended emission is within the area of the residual PSF halo, and is revealed only through careful data reduction. We compare the observed extended emission with simulations of the scattered light emission, to evaluate the plausibility and nature of the detected emission.

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