JHK photometry of planetary nebulae

Details JHK photometry of planetary nebulae JHK photometry of planetary nebulae

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.213...59w&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 213, March 1, 1985, p. 59-69.

Astronomy and Astrophysics

Astronomy

73

Astronomical Photometry, Infrared Astronomy, Planetary Nebulae, Broadband, Near Infrared Radiation, Position (Location), Stellar Color, Thermal Plasmas

Scientific paper

Infrared (JHK) photometry is presented for 80 planetary nebulae. Sixty-two of these have infrared colors which are dominated by hydrogen and helium plasma emission, while only 12 show the effects of thermal dust emission to a greater or lesser extent. All of the nebulae are classified according to whether the principal source of infrared emission is nebular, stellar, dust, or some combination of these three. A few peculiar objects are noted. A correlation is found between (J-H) sub-0 and He(+)/H. This arises because the J band includes the strong He I triplet line at 1.083 microns.

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