Results 181 to 190 of about 370,839 (289)

Andromeda and its satellites - a kinematic perspective [PDF]

open access: yesarXiv, 2012
Using spectroscopic data taken with Keck II DEIMOS by the Z-PAndAS team in the Andromeda-Triangulum region, I present a comparison of the disc and satellite systems of Andromeda with those of our own Galaxy. I discuss the observed discrepancies between the masses and scale radii of Andromeda dwarf spheroidal galaxies of a given luminosity with those of
arxiv  

Elemental Abundances in And XIX from Coadded Spectra

open access: yesThe Astrophysical Journal
With a luminosity similar to that of Milky Way dwarf spheroidal systems like Sextans, but a spatial extent similar to that of ultra-diffuse galaxies, Andromeda (And) XIX is an unusual satellite of M31. To investigate the origin of this galaxy, we measure
L. R. Cullinane   +8 more
doaj   +1 more source

Manipulating free will beliefs using online video games. [PDF]

open access: yesPsychol Res, 2023
Tavernier N, Wisniewski D, Brass M.
europepmc   +1 more source

On the Accretion Origin of a Vast Extended Stellar Disk around the Andromeda Galaxy [PDF]

open access: bronze, 2005
Rodrigo Ibata   +5 more
openalex   +1 more source

Bar-driven Gas Dynamics of M31

open access: yesThe Astrophysical Journal
The large-scale gaseous shocks in the bulge of M31 can be naturally explained by a rotating stellar bar. We use gas dynamical models to provide an independent measurement of the bar pattern speed in M31.
Zi-Xuan Feng   +7 more
doaj   +1 more source

Identification of Star Clusters in M31 from PAndAS Images Based on Deep Learning

open access: yesThe Astrophysical Journal Supplement Series
The identification of star clusters holds significant importance in studying galaxy formation and evolution history. However, the task of swiftly and accurately identifying star clusters from vast amounts of photometric images presents an immense ...
Baisong Zhang   +7 more
doaj   +1 more source

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