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45 papers
Carbon Abundances in Compact Galactic Planetary Nebulae: An Ultraviolet spectroscopic study with the Space Telescope Imaging Spectrograph (STIS)
Letizia Stanghellini, Rafia Bushra, Richard A. Shaw +3
We surveyed a sample of compact Galactic planetary nebulae (PNe) with the Space Telescope Imaging Spectrograph on the Hubble Space Telescope (HST/STIS) to determine their gas-phase…
Canada and the SKA from 2020-2030
Kristine Spekkens, Cynthia Chiang, Roland Kothes +57
This white paper submitted for the 2020 Canadian Long-Range Planning process (LRP2020) presents the prospects for Canada and the Square Kilometre Array (SKA) from 2020-2030, focuss…
The Central Star of Planetary Nebula PHR 1315-6555 and its host Galactic Open Cluster AL 1
V. Fragkou, Q. A. Parker, A. A. Zijlstra +2
PHR 1315-6555 is a rare case of a Galactic Planetary Nebula that is a proven member of the Open Cluster AL 1. This allows its distance to be defined with precision and thus the acc…
Co-spatial UV-optical HST/STIS Spectra of Six Planetary Nebulae: Nebular and Stellar Properties
Timothy R. Miller, Richard B. C. Henry, Bruce Balick +4
This paper represents the conclusion of a project that had two main goals: (1) to investigate to what extent planetary nebulae (PNe) are chemically homogeneous; and (2) to provide…
Central Stars of Planetary Nebulae in Galactic Open Clusters: Providing additional data for the White Dwarf Initial-to-Final-Mass Relation
Vasiliki Fragkou, Quentin A. Parker, Albert Zijlstra +2
Accurate (<10%) distances of Galactic star clusters allow precise estimation of the physical parameters of any physically associated Planetary Nebula (PN) and also that of its cent…
Analysis of Co-spatial UV-optical STIS Spectra of Planetary Nebula NGC 3242
Timothy R. Miller, Richard B. C. Henry, Bruce Balick +4
This project sought to consider two important aspects of the planetary nebula NGC 3242 using new long-slit HST/STIS spectra. First, we investigated whether this object is chemicall…