Compact reflection nebulae associated with protoplanetary nebulae

Details Compact reflection nebulae associated with protoplanetary nebulae Compact reflection nebulae associated with protoplanetary nebulae

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991acaps..10..327h&link_type=abstract

(Acta Astrophysica Sinica, vol. 10, no. 4, 1990, p. 327-332) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 15, March

Astronomy and Astrophysics

Astronomy

Interstellar Matter, Planetary Nebulae, Reflection Nebulae, Stellar Spectra, Astronomical Catalogs, Charge Coupled Devices, Infrared Astronomy Satellite

Scientific paper

Optical identifications and slit spectra and CCD direct images show that, of the protoplanetary nebulae (PPN) selected from the IRAS Catalogue of Point Sources, three are associated with compact reflection nebulae. In this paper, a spherically symmetric dust shell model is used to calculate the brightness and color evolution of the central star and the time of visibility of the reflection nebula. It is concluded that nearby PPN should have compact reflection nebulae associated with them.

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