Results 41 to 50 of about 5,989,239 (352)
A gamma-ray determination of the Universe’s star formation history [PDF]
Science, 2018 Gamma rays reveal the Universe's history How many stars have formed in the Universe, and when did they do so? These fundamental questions are difficult to answer because there are systematic uncertainties in converting the light we observe into the total
S. Abdollahi +123 more
semanticscholar +1 more source
The Astrophysical Journal Letters, 2023 Cylindrical molecular filaments are observed to be the main sites of Sunlike star formation, while massive stars form in dense hubs at the junction of multiple filaments.
Doris Arzoumanian +9 more
doaj +1 more source
The Effect of f(R, T) Modified Gravity on the Mass and Radius of Pulsar HerX1
The 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
The 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
The 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]
Galaxies, 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
The 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
Impact of supermassive black hole growth on star formation [PDF]
Nature Astronomy, 2017 Supermassive black holes are found at the centres of massive galaxies. During the growth of these black holes they light up to become visible as active galactic nuclei (AGNs) and release extraordinary amounts of energy across the electromagnetic spectrum.
C. Harrison, C. Harrison
semanticscholar +1 more source
Aromatic Features in AGN: Star-Forming Infrared Luminosity Function of AGN Host Galaxies [PDF]
, 2007 We describe observations of aromatic features at 7.7 and 11.3 um in AGN of three types including PG, 2MASS and 3CR objects. The feature has been demonstrated to originate predominantly from star formation.
Antonucci R. +22 more
core +2 more sources
Evolution of Interstellar Medium, Star Formation, and Accretion at High Redshift [PDF]
, 2017 ALMA observations of the long wavelength dust continuum are used to estimate the interstellar medium (ISM) masses in a sample of 708 galaxies at z = 0.3 to 4.5 in the COSMOS field.
N. Scoville +23 more
semanticscholar +1 more source