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High Resolution Optical Imaging of Proto-Planetary Nebulae

Published online by Cambridge University Press:  07 August 2017

P.P. Langill ,
Sun Kwok  and
B.J. Hrivnak
P.P. Langill
Affiliation:
Dept. of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada. T2N 1N4
Sun Kwok
Affiliation:
Dept. of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada. T2N 1N4
B.J. Hrivnak
Affiliation:
Dept. of Physics, Valparaiso University, Valparaiso IN, USA. 46383

Extract

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Several Proto–Planetary Nebulae (PPN) candidates have been observed at the Canada France Hawaii Telescope with the High Resolution Camera (HRCam) (Mc Clure et al. 1989, PASP, 101, 1156). Candidates were selected based on their IRAS [12]–[25] and [25]–[60] colors and their lack of variability. With HRCams' small angular pixel size (0.13″/pixel) and active optics we achieved an average angular resolution of 0.65″ in V and I waveband images.

Type
IV. Planetary Nebulae Connection: Evolution from the AGB
Information
Symposium - International Astronomical Union , Volume 155: Planetary Nebulae , 1993 , pp. 336
Copyright
Copyright © Kluwer 1993