Results 21 to 30 of about 976,493 (346)

Simulations of magnetized multiphase galactic disk regulated by supernovae explosions [PDF]

open access: yes, 2014
What exactly controls star formation in the Galaxy remains controversial. In particular, the role of feedback and magnetic field are still partially understood.
Hennebelle, Patrick, Iffrig, Olivier
core   +5 more sources

Massive Star Formation [PDF]

open access: yes, 2014
The enormous radiative and mechanical luminosities of massive stars impact a vast range of scales and processes, from the reionization of the universe, to the evolution of galaxies, to the regulation of the interstellar medium, to the formation of star clusters, and even to the formation of planets around stars in such clusters.
J. C. Tan   +7 more
openaire   +4 more sources

The Principal Component Analysis Filtering Method for an Unbiased Spectral Survey of Complex Organic Molecules

open access: yesThe Astrophysical Journal, 2023
A variety of interstellar complex organic molecules (COMs) have been detected in various physical conditions. However, in the protostellar and protoplanetary environments, their complex kinematics make line profiles blend together and the line strength ...
Hyeong-Sik Yun, Jeong-Eun Lee
doaj   +1 more source

Star Formation in the Ultraviolet [PDF]

open access: yesGalaxies, 2020
With the launch of JWST and the upcoming installation of extremely large telescopes, the first galaxies in our Universe will finally be revealed. Their light will be dominated by massive stars, which peak in in the ultra-violet (UV) part of the electromagnetic spectrum. Star formation is the key driver of the evolution of our Universe.
openaire   +4 more sources

The Origin of Star Formation in Early-type Galaxies Inferred from Spatially Resolved Spectroscopy

open access: yesThe Astrophysical Journal, 2023
We investigate the origin of star formation activity in early-type galaxies with current star formation using spatially resolved spectroscopic data from the Mapping Nearby Galaxies at Apache Point Observatory in the Sloan Digital Sky Survey (SDSS).
Yun Hee Lee   +4 more
doaj   +1 more source

The Effect of f(R, T) Modified Gravity on the Mass and Radius of Pulsar HerX1

open access: yesThe Astrophysical Journal, 2023
Millisecond pulsars are the perfect testable to examine potential matter-geometry coupling and its physical consequences in the context of the recent Neutron Star Interior Composition Explorer discoveries. We apply the field equations of modified gravity,
G. G. L. Nashed
doaj   +1 more source

Complex Organic Molecules in a Very Young Hot Corino, HOPS 373SW

open access: yesThe Astrophysical Journal, 2023
We present the spectra of complex organic molecules (COMs) detected in HOPS 373SW with the Atacama Large Millimeter/submillimeter Array (ALMA). HOPS 373SW, which is a component of a protostellar binary with a separation of 1500au, has been discovered as ...
Jeong-Eun Lee   +8 more
doaj   +1 more source

A fundamental test for stellar feedback recipes in galaxy simulations [PDF]

open access: yes, 2019
Direct comparisons between galaxy simulations and observations that both reach scales < 100 pc are strong tools to investigate the cloud-scale physics of star formation and feedback in nearby galaxies.
Chevance, Mélanie   +4 more
core   +2 more sources

The ALMaQUEST survey – III. Scatter in the resolved star-forming main sequence is primarily due to variations in star formation efficiency [PDF]

open access: yes, 2019
Using a sample of 11,478 spaxels in 34 galaxies with molecular gas, star formation and stellar maps taken from the ALMA-MaNGA QUEnching and STar formation (ALMaQUEST) survey, we investigate the parameters that correlate with variations in star formation ...
Bluck, Asa F L   +8 more
core   +2 more sources

The Effect of Local Galaxy Surface Density on Star Formation for HI selected galaxies [PDF]

open access: yes, 2006
We present the result of investigations into two theories to explain the star formation rate-density relationship. For regions of high galaxy density, either there are fewer star forming galaxies, or galaxies capable of forming stars are present but some
Doyle, Marianne T.   +1 more
core   +3 more sources

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