Zobrazeno 1 - 10
of 22
pro vyhledávání: '"A. S. Khrykin"'
Autor:
Ilya S. Khrykin, Metin Ata, Khee-Gan Lee, Sunil Simha, Yuxin Huang, J. Xavier Prochaska, Nicolas Tejos, Keith W. Bannister, Jeff Cooke, Cherie K. Day, Adam Deller, Marcin Glowacki, Alexa C. Gordon, Clancy W. James, Lachlan Marnoch, Ryan. M. Shannon, Jielai Zhang, Lucas Bernales-Cortes
Publikováno v:
The Astrophysical Journal, Vol 973, Iss 2, p 151 (2024)
The dispersion measure of fast radio bursts (FRBs), arising from the interactions with free electrons along the propagation path, constitutes a unique probe of the cosmic baryon distribution. Their constraining power is further enhanced in combinatio
Externí odkaz:
https://doaj.org/article/6f8966a67c6b42b59b25481872b79dca
Autor:
Khee-Gan Lee, Ilya S. Khrykin, Sunil Simha, Metin Ata, Yuxin Huang, J. Xavier Prochaska, Nicolas Tejos, Jeff Cooke, Kentaro Nagamine, Jielai Zhang
Publikováno v:
The Astrophysical Journal Letters, Vol 954, Iss 1, p L7 (2023)
The repeating fast radio burst FRB 20190520B is an anomaly of the FRB population thanks to its high dispersion measure (DM = 1205 pc cm ^−3 ) despite its low redshift of z _frb = 0.241. This excess has been attributed to a large host contribution o
Externí odkaz:
https://doaj.org/article/69d63fb251884cbb8e019d92dabbd6aa
Autor:
Sunil Simha, Khee-Gan Lee, J. Xavier Prochaska, Ilya S. Khrykin, Yuxin Huang, Nicolas Tejos, Lachlan Marnoch, Metin Ata, Lucas Bernales, Shivani Bhandari, Jeff Cooke, Adam T. Deller, Stuart D. Ryder, Jielai Zhang
Publikováno v:
The Astrophysical Journal, Vol 954, Iss 1, p 71 (2023)
The FLIMFLAM survey is collecting spectroscopic data of field galaxies near fast radio burst (FRB) sight lines to constrain key parameters describing the distribution of matter in the Universe. In this work, we leverage the survey data to determine t
Externí odkaz:
https://doaj.org/article/1e7c5f57d9bb438ea6dbeccc69ca6de6
Autor:
Khee-Gan Lee, Metin Ata, Ilya S. Khrykin, Yuxin Huang, J. Xavier Prochaska, Jeff Cooke, Jielai Zhang, Adam Batten
The dispersion measures (DM) of fast radio bursts (FRBs) encode the integrated electron density along the line-of-sight, which is typically dominated by the intergalactic medium (IGM) contribution in the case of extragalactic FRBs. In this paper, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db483dcc2cc220221356dc2436afbf06
http://arxiv.org/abs/2109.00386
http://arxiv.org/abs/2109.00386
Autor:
J. Xavier Prochaska, Joseph F. Hennawi, Gabor Worseck, Ilya S. Khrykin, Emanuele Paolo Farina
Constraints on the time-scales of quasar activity are key to understanding the formation and growth of supermassive black holes (SMBHs), quasar triggering mechanisms, and possible feedback effects on their host galaxies. However, observational estima
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb7794125e02811aaebf759ce976df14
Publikováno v:
Monthly Notices of the Royal Astronomical Society, 505(1), 649-662
Understanding the growth of the supermassive black holes powering luminous quasars, their co-evolution with host galaxies, and impact on the surrounding intergalactic medium depends sensitively on the duration of quasar accretion episodes. Unfortunat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::06ff662ddd89bd85a98acd3857b6ef94
Autor:
A. S. Khrykin
Publikováno v:
Hyperfine Interactions. 237
We provide strong experimental evidence for the existence of a nonstrange exotic dibaryon with a mass of about 1956 MeV called \(d^{\ast }_{1}\)(1956). This dibaryon is expected to be stable against strong decay and decays predominantly into two nucl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::874d020311efc6927ea9880e7534ad9b
https://doi.org/10.1007/s10751-016-1346-x
https://doi.org/10.1007/s10751-016-1346-x
Autor:
Ilya S. Khrykin, Dipankar Maitra, Terrence M. Girard, Sergey Khoperskov, Alexander Khoperskov, V. I. Korchagin, W. F. van Altena, Dana I. Casetti-Dinescu
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 427:1983-1993
Using observational data, we build numerical N-body, hydrodynamical and combined equilibrium models for the spiral galaxy NGC 5247. The models turn out to be unstable as regards spiral structure formation. We simulate scenarios of spiral structure fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8f982ecbeb40cc8bfb1eb79f30bde16
https://doi.org/10.1111/j.1365-2966.2012.22031.x
https://doi.org/10.1111/j.1365-2966.2012.22031.x
Autor:
A. S. Khrykin, S. B. Gerasimov
Publikováno v:
Physics of Particles and Nuclei Letters. 7:338-344
The narrow NN-decoupled dibaryon resonance with a mass about 1956 MeV was reported in 2000 by DIB2γ Collaboration (JINR, Dubna) on the basis of the measurement of the two-photon energy spectrum in the reaction pp → pp2γ at 216 MeV. The most proba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a0132de0096222869eefd1225f1515f3
https://doi.org/10.1134/s1547477110050067
https://doi.org/10.1134/s1547477110050067
Publikováno v:
NASA Astrophysics Data System
The lifetime of quasars is fundamental for understanding the growth of supermassive black holes, and is an important ingredient in models of the reionization of the intergalactic medium. However, despite various attempts to determine quasar lifetimes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e8d1cf45b6a5f2795be9d59e6d5a6a7
http://arxiv.org/abs/1511.03659
http://arxiv.org/abs/1511.03659