Zobrazeno 1 - 10
of 455
pro vyhledávání: '"time-domain astronomy"'
Autor:
Alessandra Corsi, Lisa Barsotti, Emanuele Berti, Matthew Evans, Ish Gupta, Konstantinos Kritos, Kevin Kuns, Alexander H. Nitz, Benjamin J. Owen, Binod Rajbhandari, Jocelyn Read, Bangalore S. Sathyaprakash, David H. Shoemaker, Joshua R. Smith, Salvatore Vitale
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
The ground-based gravitational wave (GW) detectors LIGO and Virgo have enabled the birth of multi-messenger GW astronomy via the detection of GWs from merging stellar-mass black holes (BHs) and neutron stars (NSs). GW170817, the first binary NS merge
Externí odkaz:
https://doaj.org/article/80a6c094681c445d98a56c864382478d
Autor:
Riccardo Arcodia, Franz E. Bauer, S. Bradley Cenko, Kristen C. Dage, Daryl Haggard, Wynn C. G. Ho, Erin Kara, Michael Koss, Tingting Liu, Labani Mallick, Michela Negro, Pragati Pradhan, J. Quirola-Vásquez, Mark T. Reynolds, Claudio Ricci, Richard E. Rothschild, Navin Sridhar, Eleonora Troja, Yuhan Yao
Publikováno v:
Universe, Vol 10, Iss 8, p 316 (2024)
The Advanced X-ray Imaging Satellite (AXIS) promises revolutionary science in the X-ray and multi-messenger time domain. AXIS will leverage excellent spatial resolution (80× that of Swift), and a large collecting area (5–10× that of Chandra) acro
Externí odkaz:
https://doaj.org/article/18299fa1c23841b1a642b9edce751f5e
Autor:
Harsh Kumar, Edo Berger, Daichi Hiramatsu, Sebastian Gomez, Peter K. Blanchard, Yvette Cendes, K. Azalee Bostroem, Joseph Farah, Estefania Padilla Gonzalez, D. Andrew Howell, Curtis McCully, Megan Newsome, Giacomo Terreran
Publikováno v:
The Astrophysical Journal Letters, Vol 974, Iss 2, p L36 (2024)
We present optical/UV observations and the spectroscopic classification of the transient AT2023vto as a tidal disruption event (TDE) at z = 0.4846. The spectrum is dominated by a broad blueshifted He ii λ 4686 emission line, classifying it as a memb
Externí odkaz:
https://doaj.org/article/76ffff297bdf4e7bb4d1856f9399257b
Autor:
Zheyu Lin, Ning Jiang, Tinggui Wang, Xu Kong, Dongyue Li, Han He, Yibo Wang, Jiazheng Zhu, Wentao Li, Ji-an Jiang, Avinash Singh, Rishabh Singh Teja, D. K. Sahu, Chichuan Jin, Keiichi Maeda, Shifeng Huang
Publikováno v:
The Astrophysical Journal Letters, Vol 971, Iss 1, p L26 (2024)
The unluckiest star orbits a supermassive black hole elliptically. Every time it reaches the pericenter, it shallowly enters the tidal radius and gets partially tidally disrupted, producing a series of flares. Confirmation of a repeated partial tidal
Externí odkaz:
https://doaj.org/article/097b39f88a544f0cb33f8debbe4e8c0a
Autor:
Apurba Bera, Clancy W. James, Adam T. Deller, Keith W. Bannister, Ryan M. Shannon, Danica R. Scott, Kelly Gourdji, Lachlan Marnoch, Marcin Glowacki, Ronald D. Ekers, Stuart D. Ryder, Tyson Dial
Publikováno v:
The Astrophysical Journal Letters, Vol 969, Iss 2, p L29 (2024)
Fast radio bursts (FRBs) are brilliant short-duration flashes of radio emission originating at cosmological distances. The vast diversity in the properties of currently known FRBs and the fleeting nature of these events make it difficult to understan
Externí odkaz:
https://doaj.org/article/87547ad80e714ae493970aa690a98d86
Publikováno v:
The Astrophysical Journal Letters, Vol 965, Iss 2, p L25 (2024)
Nuclear star clusters (NSCs), made up of a dense concentration of stars and the compact objects they leave behind, are ubiquitous in the central regions of galaxies surrounding the central supermassive black hole (SMBH). Close interactions between st
Externí odkaz:
https://doaj.org/article/d3f6ebfcdb13425ebcaf225acc985e06
Autor:
Robert Stein, Ashish Mahabal, Simeon Reusch, Matthew Graham, Mansi M. Kasliwal, Marek Kowalski, Suvi Gezari, Erica Hammerstein, Szymon J. Nakoneczny, Matt Nicholl, Jesper Sollerman, Sjoert van Velzen, Yuhan Yao, Russ R. Laher, Ben Rusholme
Publikováno v:
The Astrophysical Journal Letters, Vol 965, Iss 2, p L14 (2024)
Optical surveys have become increasingly adept at identifying candidate tidal disruption events (TDEs) in large numbers, but classifying these generally requires extensive spectroscopic resources. Here we present tdescore , a simple binary photometri
Externí odkaz:
https://doaj.org/article/efb596792c5740438ef25f4cae116cd1
Autor:
Krystian Iłkiewicz, Simone Scaringi, Martina Veresvarska, Domitilla De Martino, Colin Littlefield, Christian Knigge, John A. Paice, Anwesha Sahu
Publikováno v:
The Astrophysical Journal Letters, Vol 962, Iss 2, p L34 (2024)
Cataclysmic variables can experience short optical brightenings, which are commonly attributed to phenomena such as dwarf novae outbursts, micronovae, donor flares, or magnetic gating bursts. Since these events exhibit similar observational character
Externí odkaz:
https://doaj.org/article/0eebcdb4d6ce4e70a8a2160dbce8f787
Autor:
Steve B. Howell, D. Andrew Howell, R. A. Street, Melinda Soares-Furtado, Brian Jackson, Thomas P. Greene
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 11 (2024)
In parallel with the multi-messenger revolution, major advances in time-domain astronomy across multiple science disciplines relevant to astrophysics are becoming more urgent to address. Aside from electromagnetic observations of gravitational wave e
Externí odkaz:
https://doaj.org/article/b6545177591642f98b1c1fb354486ff6
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