A new [Oiii] \lamda5007 {\AA} Galactic Bulge Planetary Nebula Luminosity Function
A. V. Kovacevic, Q. A. Parker, G. H. Jacoby, B. Miszalski

TL;DR
This study constructs the [Oiii] 5007 Å planetary nebula luminosity function (PNLF) for the Galactic Bulge, aiming to understand the universality of PNLF brightness and its implications for old stellar populations.
Contribution
It provides the first detailed [Oiii] PNLF for the Galactic Bulge using ground-based data, analyzing population subsets and their impact on the bright end of the PNLF.
Findings
Constructed the [Oiii] PNLF for the Galactic Bulge.
Analyzed PNLF subsets based on morphology and spectroscopy.
Identified potential new planetary nebulae and morphological features.
Abstract
The Planetary Nebulae Luminosity Function (PNLF) describes the collective luminosity evolution for a given population of Planetary Nebulae (PN). A major paradox in current PNLF studies is in the universality of the absolute magnitude of the brightest PNe with galaxy type and age. The progenitor central-star mass required to produce such bright PNe should have evolved beyond the PNe phase in old, red elliptical galaxies whose stellar populations are ~10~Gyr. Only by dissecting this resolved population in detail can we attempt to address this conundrum. The Bulge of our Galaxy is predominantly old \citep{Z03} and can therefore be used as a proxy for an elliptical galaxy, but with the significant advantage that the population is resolvable from ground based telescopes. We have used the MOSAIC-II camera on the Blanco 4-m at CTIO to carefully target ~80 square degrees of the Galactic Bulge…
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Taxonomy
TopicsAstronomy and Astrophysical Research · Stellar, planetary, and galactic studies · Astronomical Observations and Instrumentation
