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Optical Images of an Exosolar Planet 25 Light Years from Earth
Paul Kalas, James R. Graham, Eugene Chiang +6
Fomalhaut is a bright star 7.7 parsecs (25 light years) from Earth that harbors a belt of cold dust with a structure consistent with gravitational sculpting by an orbiting planet.…
A Distance-Limited Imaging Survey of Sub-Stellar Companions to Solar Neighborhood Stars
Joseph C. Carson, Kyle D. Hiner, Gregorio G. Villar +3
We report techniques and results of a Palomar 200-inch (5 m) adaptive optics imaging survey of sub-stellar companions to solar-type stars. The survey consists of Ks coronagraphic o…
A Multi-Epoch HST Study of the Herbig-Haro Flow from XZ Tauri
John E. Krist, Karl. R. Stapelfeldt, J. Jeff Hester +3
We present nine epochs of Hubble Space Telescope optical imaging of the bipolar outflow from the pre-main sequence binary XZ Tauri. Our data monitors the system from 1995-2005 and…
The Photometric Variability of HH 30
Alan M. Watson, María Carolina Durán-Rojas, Karl R. Stapelfeldt
HH 30 is an edge-on disk around a young stellar object. Previous imaging with the Hubble Space Telescope has show morphological variability that is possibly related to the rotation…
The Peculiar Periodic YSO WL 4 in Rho Ophiuchus
Peter Plavchan, Alan H. Gee, Karl Stapelfeldt +1
We present the discovery of 130.87 day periodic near-infrared flux variability for the Class II T Tauri star WL 4 (= 2MASS J16271848-2429059, ISO-Oph 128). Our data are from the 2M…
Spitzer-MIPS Observations of the eta Cha Young Association
Thomas. N. Gautier, L. M. Rebull, K. R. Stapelfeldt +1
We have mapped the eta Chamaeleontis young stellar association in the far-infrared with the Multiband Imaging Photometer for Spitzer (MIPS) on the Spitzer Space Telescope. All sixt…