A new population of planetary nebulae discovered in the LMC

Warren A. Reid; Quentin A. Parker

doi:10.1017/S1743921306003875

A new population of planetary nebulae discovered in the LMC

Warren A. Reid^*, Quentin A. Parker

^*Corresponding author for this work

Faculty of Science and Engineering

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Abstract

We report our discovery of 471 planetary nebulae (PNe) in the central 25 deg2 region of the Large Magellanic Cloud (LMC) following confirmatory two-degree Field (2dF) spectroscopy on the Anglo-Australian Telescope (AAT). Candidate emission sources were discovered using deep, high resolution UKST stacked Short Red (SR) and Hα images which go deeper than any previously available. The two digitized stacks were then merged to reveal emission sources. The new PNe have implications for the LMC PN luminosity function, kinematics, abundance gradients, chemical evolution and the initial to final mass relation for low to intermediate mass stars via the AGB halos revealed on the Ha map. Excitation classes are presented.

Original language	English
Pages (from-to)	487-488
Number of pages	2
Journal	Proceedings of the International Astronomical Union
Volume	2
Issue number	234
DOIs	https://doi.org/10.1017/S1743921306003875
Publication status	Published - Apr 2006

Bibliographical note

Copyright 2006 International Astronomical Union. Published by Cambridge University Press. Article originally published in Planetary nebulae in our galaxy and beyond : proceedings of the 234th symposium of the International Astronomical Union held in Waikoloa Beach, Hawaii, USA April 3-7, 2006. The original article can be found at http://dx.doi.org/10.1017/S1743921306003875

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abstract = "We report our discovery of 471 planetary nebulae (PNe) in the central 25 deg2 region of the Large Magellanic Cloud (LMC) following confirmatory two-degree Field (2dF) spectroscopy on the Anglo-Australian Telescope (AAT). Candidate emission sources were discovered using deep, high resolution UKST stacked Short Red (SR) and Hα images which go deeper than any previously available. The two digitized stacks were then merged to reveal emission sources. The new PNe have implications for the LMC PN luminosity function, kinematics, abundance gradients, chemical evolution and the initial to final mass relation for low to intermediate mass stars via the AGB halos revealed on the Ha map. Excitation classes are presented.",

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A new population of planetary nebulae discovered in the LMC

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