Monochromatic morphologies of Abell planetary nebulae

Details Monochromatic morphologies of Abell planetary nebulae Monochromatic morphologies of Abell planetary nebulae

Aug 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26as..138..275h&link_type=abstract

Astronomy and Astrophysics Supplement, v.138, p.275-297

Astronomy and Astrophysics

Astrophysics

9

Ism: Planetary Nebulae: Individual (A 13, A 21, A 24, A 28, A 30, A 33, A 36)

Scientific paper

Monochromatic (Delta lambda <= 10 Ä) images have been obtained for seven large (2-10 arcmin) Abell planetary nebulae. From this deep survey, we found 4 to have normal bipolar shapes, whereas 3 have truly spherical shells. The structures of these nebulae are discussed using the absolutely calibrated intensity maps in Hα , [N ii], and [O iii]. An attempt to derive ionized mass using our (dereddened) measured absolute flux as a function of distance to the PN is also given. The observations were carried out at the Observatoire de Haute Provence 120-cm telescope - CNRS, St Michel l'Observatoire, France.

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