Near infrared survey of IRAS sources with colours like planetary nebulae. II

Astronomy and Astrophysics – Astronomy

Scientific paper

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Asymptotic Giant Branch Stars, Infrared Astronomy Satellite, Infrared Photometry, Planetary Nebulae, Sky Surveys (Astronomy), Stellar Color, Spectral Energy Distribution, Stellar Envelopes, Stellar Evolution, Stellar Mass

Scientific paper

Near-IR standard photometry (J, H, K, L and M bands) of 38 IRAS sources with FIR colors similar to those of known planetary nebulae is presented. They are classified according to their IR global energy distribution from 1 to 100 microns. Although it is not possible to reach a definite conclusion about their evolutionary stage, there are clear indications that most of them are in the transition phase from AGB and post-AGB stars to protoplanetary and planetary nebulae.

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