Results 71 to 80 of about 15,815 (162)

Widespread Rapid Quenching at Cosmic Noon Revealed by JWST Deep Spectroscopy

open access: yesThe Astrophysical Journal
Massive quiescent galaxies in the young Universe are expected to be quenched rapidly, but it is unclear whether they all experience starbursts before quenching and what physical mechanism drives rapid quenching. We study 14 massive quiescent galaxies ( $\
Minjung Park   +18 more
doaj   +1 more source

Exploring Lenticular Galaxy Formation in Field Environments Using NewHorizon: Evidence for Counterrotating Gas Accretion as a Formation Channel

open access: yesThe Astrophysical Journal
The formation pathways of lenticular galaxies (S0s) in field environments remain a matter of debate. We utilize the cosmological hydrodynamic simulation, NewHorizon , to investigate the issue. We select two massive star formation quenched S0s as our main
Seongbong Han   +11 more
doaj   +1 more source

Stellar Mergers or Truly Young? Intermediate-age Stars on Highly Radial Orbits in the Milky Way’s Stellar Halo

open access: yesThe Astrophysical Journal
Reconstructing the mass assembly history of the Milky Way relies on obtaining detailed measurements of the properties of many stars in the galaxy, especially in the stellar halo.
Danny Horta   +4 more
doaj   +1 more source

The Chemical Evolution of Narrow Emission Line Galaxies: the Key to their Formation Processes The Chemical Evolution of Narrow Emission Line Galaxies: the Key to their Formation Processes

open access: yesActa Universitaria, 2012
Utilizando la mayor muestra de galaxias con líneas de emisión angostas disponible hasta el momento, se muestra que sus características espectrales están correlacionadas con diferentes parámetros físicos, como las abundancias químicas, las morfologías ...
R. A. Ortega-Minakata   +2 more
doaj  

Origins and lifetimes of secular and tidal bars in simulated disc galaxies. [PDF]

open access: yesMon Not R Astron Soc
Frosst M   +3 more
europepmc   +1 more source

A tidal disruption event from an intermediate-mass black hole revealed by comprehensive multi-wavelength observations. [PDF]

open access: yesNat Commun
Wang J   +14 more
europepmc   +1 more source

Discs no more: the morphology of low-mass simulated galaxies in FIREbox. [PDF]

open access: yesMon Not R Astron Soc
Benavides JA   +11 more
europepmc   +1 more source

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