Planetary nebulae of low surface brightness - Gleanings from the 'POSS'

Details Planetary nebulae of low surface brightness - Gleanings from the 'POSS' Planetary nebulae of low surface brightness - Gleanings from the 'POSS'

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987a%26as...69..519h&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 69, no. 3, June 1987, p. 519-525.

Astronomy and Astrophysics

Astronomy

17

Astronomical Spectroscopy, Brightness Distribution, Planetary Nebulae, Surface Properties, Astrometry, Infrared Spectra, Point Sources, Sky Surveys (Astronomy)

Scientific paper

During a systematic search for new planetary nebulae (PN) on Palomar Observatory Sky Survey (POSS) prints, 15 hitherto unknown PN candidates with surface brightnesses in the range m(r) = 20.6-24.4 mag/sq arcsec were found. Positions, finding charts and descriptions are presented together with a discussion of the objects. One nebula deserves special attention: it is of large size (phi = 6 arcmin) and is surrounded by a huge (phi = 0.4 deg), extremely faint halo. Five of the objects can be identified with IRAS point sources.

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