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Kinematics of Molecular Hydrogen Emission from Pre-planetary Nebulae: RAFGL 2688 and RAFGL 618
Joel H. Kastner, David A. Weintraub, Ian Gatley +1
We present high spectral resolution maps of near-infrared molecular hydrogen emission from the bipolar pre-planetary nebulae RAFGL 2688 and RAFGL 618, obtained with the NOAO Phoeni…
Pinpointing the Position of the Post-AGB Star at the Core of RAFGL 2688 using Polarimetric Imaging with NICMOS
David A. Weintraub, Joel H. Kastner, Dean C. Hines +1
We have used infrared polarimetric imaging with NICMOS to determine precisely the position of the star that illuminates (and presumably generated) the bipolar, pre-planetary reflec…
NICMOS Narrow-band Infrared Photometry of TW Hya Association Stars
David A. Weintraub, Didier Saumon, Joel H. Kastner +1
We have obtained 1.64, 1.90 and 2.15 micron narrow-band images of five T Tauri stars in the TW Hya Association (TWA) using the Near-Infrared Camera and Multiobject Spectrometer abo…
Kinematics of Molecular Hydrogen Emission from Planetary and Pre-planetary Nebulae
Joel H. Kastner, Ian Gatley, David A. Weintraub
We report results from a program of high-resolution spectral mapping of rotational H_2 emission from bipolar planetary and pre-planetary nebulae. Long-slit spectra obtained with th…