Results 101 to 110 of about 172,889 (233)

On the Origin of Morphological Structures of Planetary Nebulae

open access: yesGalaxies, 2018
We suggest that most of the mass in planetary nebulae (PNe) resides in the equatorial region and the spherical envelope and the optically bright lobes of PNe are in fact low-density cavities cleared out by fast outflows and photoionized by UV photons ...
Sun Kwok
doaj   +1 more source

A Comprehensive Catalog of Emission-line Nebulae, Star Clusters, and Supergiants in M31 from the LAMOST Spectroscopic Survey

open access: yesThe Astronomical Journal
Spectroscopic observations of various tracers in nearby galaxies, such as Andromeda (M31), play a crucial role in identifying and classifying individual stellar populations and nebular objects, thereby enhancing our understanding of galactic composition,
Pinjian Chen   +7 more
doaj   +1 more source

Primer on Formation and Evolution of Hydrogen-Deficient Central Stars of Planetary Nebulæ and Related Objects

open access: yesGalaxies
We present a brief review of the formation and evolution of hydrogen-deficient central stars of planetary nebulae. We include a detailed description of the main observable features of both the central stars and their surrounding nebulae and review their ...
Marcelo M. Miller Bertolami
doaj   +1 more source

The Local Group Census: Planetary nebulae in IC 10, Leo A and Sextans A [PDF]

open access: bronze, 2003
L. Magrini   +18 more
openalex   +1 more source

MILAN Sky Survey, a dataset of raw deep sky images captured during one year with a Stellina automated telescope. [PDF]

open access: yesData Brief, 2023
Parisot O   +5 more
europepmc   +1 more source

HCN and HCO+ in Planetary Nebulae: The Next Level

open access: gold, 2022
D. R. Schmidt   +4 more
openalex   +1 more source

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