4 papers
Chang'e 7 Lunar Lander Optical Camera-Telescope: Optical Astronomy from the Moon
Quentin Andrew Parker, Partha Sarathi Pal, Junhao Chen +8
We report the design and manufacture of a new, lightweight, wide-field, optical camera-telescope on board the Chang'e 7 lunar mission (launched in August 2026 and due for lunar tou…
One cluster, two clusters, no cluster? -- The curious case of HSC 2686 and Lynga 3
Andreas Ritter, Quentin A. Parker, Xizhe Xie +1
This study was motivated by the search for Planetary Nebulae (PNe) and Open Cluster (OCs) associations. Only 5 PNe are currently in Galactic OCs among the previous OCs…
Planetary Nebulae in the eROSITA eRASS1 catalog
Haoyang Yuan, Martin A. Guerrero, Quentin Parker +1
Some planetary nebulae (PNe) host X-ray-emitting hot bubbles shaped by stellar wind interactions and/or harbor X-ray-emitting central stars due to accretion, shocks within their fa…
The secular evolution of planetary nebula IC 418 and its implications for carbon star formation
Albert A. Zijlstra, Quentin A. Parker
The rate of stellar evolution can rarely be measured in real time. The fastest evolution (excluding event-driven evolution), where stars may evolve measurably over decades, is duri…