Results 51 to 60 of about 77,751 (271)

Similarity between Compact Extremely Red Objects Discovered with JWST in Cosmic Dawn and Blue-excess Dust-obscured Galaxies Known in Cosmic Noon

The Astrophysical Journal Letters, 2023
Spatially compact objects with extremely red color in the rest-frame optical to near-infrared (0.4–1 μ m) and blue color in the rest-frame ultraviolet (UV; 0.2–0.4 μ m) have been discovered at 5 < z < 9 using the James Webb Space Telescope (JWST).
Akatoki Noboriguchi, Akio K. Inoue, Tohru Nagao, Yoshiki Toba, Toru Misawa   +4 more
doaj   +1 more source

Arbuscular mycorrhizal fungal community abundance, functions, and symbiotic interactions revealed by root metatranscriptomes

iMetaOmics, EarlyView.
Paradigm shift: PCR‐free methods reveal 6–15‐fold higher arbuscular mycorrhizal (AM) fungal abundance than metabarcoding, exposing systematic underestimation across decades of research. Predictive power: AM fungal abundance serves as a community‐level trait that predicts crop yield under drought conditions.
Peilin Chen, John W. Taylor, Cheng Gao
wiley   +1 more source

Turbulence and Star Formation Suppression in Elliptical Galaxies: The Role of Active Galactic Nucleus Jet–Wind Interaction

The Astrophysical Journal
Winds and jets are symbiotic when the accretion rate is low, according to black hole accretion theory. Both components are potentially important for active galactic nucleus (AGN) feedback, but previous works typically include only jets with free ...
Minhang Guo, Suoqing Ji, Feng Yuan, Bocheng Zhu   +3 more
doaj   +1 more source

Identifying Active Galactic Nuclei at z ∼ 3 from the HETDEX Survey Using Machine Learning

The Astronomical Journal, 2023
We used data from the Hobby–Eberly Telescope Dark Energy Experiment (HETDEX) to study the incidence of AGN in continuum-selected galaxies at z ∼ 3.
Valentina Tardugno Poleo, Steven L. Finkelstein, Gene Leung, Erin Mentuch Cooper, Karl Gebhardt, Daniel J. Farrow, Eric Gawiser, Greg Zeimann, Donald P. Schneider, Leah Morabito, Daniel Mock, Chenxu Liu   +11 more
doaj   +1 more source

Radio Nuclei in Nearby Galaxies [PDF]

Symposium - International Astronomical Union, 1984
This review is an attempt to summarize VLBI continuum observations at cm- and dm-wavelengths of active galactic nuclei at distances ≲ 100 Mpc (Ho = 50 km s−1 Mpc−1). ‘Nearby galaxies’, thus defined, are close enough for achieving the highest possible spatial resolution.
openaire   +1 more source

Ginseng polysaccharides prevent mastitis through Lactobacillus murinus‐derived deoxycholic acid and TGR5 signaling

iMetaOmics, EarlyView.
Prebiotic Ginseng polysaccharides (GP) alleviate mastitis through selective enrichment of gut L. murinus, which elevates its anti‐inflammatory metabolite deoxycholic acid (DCA). Circulating DCA engages mammary epithelial TGR5 receptors, triggering the cAMP–PKA pathway to suppress NF‐κB/NLRP3‐mediated inflammation.
Zhijie Zheng, Huiying Liu, Sizhe Chen, Jianhui Gu, Sisi Cai, Xiang Liu, Raphaela I. Lau, Yao Zhang, Sunjae Lee, Xiaoyan Wang, Kewei Fan, Xiaole Yin, Hein Min Tun, Renyou Gan, Haichong Wu, Qi Su   +15 more
wiley   +1 more source

Active Galactic Nucleus Pairs from the Sloan Digital Sky Survey. I. The Frequency on ~ 5-100 kpc Scales

, 2011
Galaxy-galaxy mergers and close interactions have long been regarded as a viable mechanism for channeling gas toward the central supermassive black holes (SMBHs) of galaxies which are triggered as active galactic nuclei (AGNs).
Abazajian, Adelman-McCarthy, Aihara, Armitage, Axon, Ballo, Barth, Barton, Blanton, Blanton, Colpi, Comerford, Comerford, Conselice, Crenshaw, Eisenstein, Ellison, Green, Gunn, Haehnelt, Hao, Hao, Hennawi, Hennawi, Ho, Holz, Kewley, Komossa, Koss, Lei Hao, Liu, Liu, Liu, Liu, Liu, Lotz, Lupton, Mazzarella, Michael A. Strauss, Milosavljević, Myers, Piconcelli, Reyes, Richards, Richstone, Rodriguez, Salim, Schlegel, Schneider, Shen, Shen, Smith, Stoughton, Strauss, Thorne, Tremonti, Tueller, Valentijn, Veilleux, Wada, Wang, Wang, White, Xin Liu, York, Yu, Yue Shen, Zakamska, Zakamska, Zehavi, Zhou   +70 more
core   +1 more source

Different Origins of Nucleated and Nonnucleated Dwarf Elliptical Galaxies: Identified by Deep Learning

The Astrophysical Journal
Dwarf elliptical galaxies (dEs) are the dominant population in galaxy clusters and serve as ideal probes for studying the environmental impact on galactic evolution.
Sanjaya Paudel, Cristiano G. Sabiu, Suk-Jin Yoon, Daya Nidhi Chhatkuli, Woong-Bae G. Zee, Jaewon Yoo, Binod Adhikari   +6 more
doaj   +1 more source

Unraveling Joint Evolution of Bars, Star Formation, and Active Galactic Nuclei of Disk Galaxies

The Astrophysical Journal, 2023
We aim to unravel the interplay between bars, star formation (SF), and active galactic nuclei (AGNs) in barred galaxies. To this end, we utilize the SDSS DR12 to select a sample of nearby (0.02 < z < 0.06) disk galaxies that are suitable for bar ...
Woong-Bae G. Zee, Sanjaya Paudel, Jun-Sung Moon, Suk-Jin Yoon   +3 more
doaj   +1 more source

Light Nuclei and Isotope Abundances in Cosmic Rays. Results from AMS-01

, 2012
Observations of the chemical and isotopic composition of light cosmic-ray nuclei can be used to constrain the astrophysical models of cosmic-ray transport and interactions in the Galaxy.
Tomassetti, N.
core   +1 more source