The study of the new planetary nebula DDDM 1, a possible member of the halo population

Details The study of the new planetary nebula DDDM 1, a possible member of the halo population The study of the new planetary nebula DDDM 1, a possible member of the halo population

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988azh....65..943s&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 65, Sept.-Oct. 1988, p. 943-950. In Russian.

Astronomy and Astrophysics

Astronomy

1

Astronomical Photometry, Planetary Nebulae, Ubv Spectra, Distance, Emission Spectra, Halos, Spectral Energy Distribution

Scientific paper

Results of UBV photometry and absolute fluxes in the eleven brightest emission lines, relative emission line intensities and relative continuum (λλ4100 - 7400 Å) energy distribution are presented. The distance to the nebula in the O'Dell scale is estimated to be 15 kpc. Large value of the z-coordinate and deficit of O, Ne and Ar indicate that DDDM 1 may belong to the halo population.

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