Survey of Planetary Nebulae in the Southern Galactic Bulge

Details Survey of Planetary Nebulae in the Southern Galactic Bulge Survey of Planetary Nebulae in the Southern Galactic Bulge

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.2208b&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #22.08; Bulletin of the American Astronomical Society, Vol. 26, p.1348

Astronomy and Astrophysics

Astronomy

Scientific paper

We are presenting preliminary results of our survey of Planetary Nebul\ae in the Southern Galactic Bulge. This is a uniform narrowband imaging survey in H_α of the region of galactic longitude l = +/- 20 deg and galactic latitude b = -5 deg to -10 deg . We will measure radial velocities of our newly- found PNe, and have already measured velocities of the previously known PNe in a more extended region to provide a kinematic sample of uniform quality. The combined sample of velocities will be used for a dynamical study of the galactic bulge. After two seasons of observation, we have imaged 94% of our target area. We have analysed the data from the first season: in the 227 fields analysed (which translate to 47% of the coverage), we have found 53 PNe of which 25 are already known and 28 are newly discovered - we have thus approximately doubled the number of known PNe in the regions surveyed so far.

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