On the nature of fast blue optical transients

Author: rdbs

August undefined, 2024

Web20 de abr. de 2024 · Watch on Ever since they were discovered in 2024, fast blue optical transients (FBOTs) have utterly surprised and completely confounded both … WebShort rise times of Fast Blue Optical Transients (FBOTs) require very light ejected envelopes, M ej ≤ 10 -1 M ⊙ , much smaller than of a typical supernova. The detection …

A weird cosmic flare called the ‘Cow’ now has company

WebDespite the fact that the progenitor of fast blue optical transients (FBOTs) is still a subject of debate, FBOTs are sometimes suggested to originate from the core collapse of ultra-stripped stars and be powered by a spinning-down neutron star. Following this consideration, it is expected that the late-time evolution of the progenitor stars can leave … Web1 de jun. de 2024 · Scientists have been regularly detecting fast blue optical transients only for the last several years. Transient blips of light in the sky are spotted by comparing different images taken of... can grits replace rice

Comprehensive Chandra, Gemini, JVLA and HST observations of a …

Webclass of fast-rising blue optical transients (FBOTs; Drout et al. 2014). AT2024cow seems to be at a critical point of supernova explosions (and associated complicated nuclear reactions, neutrino transports physics), pulsars/magnetars, (early) pulsar wind nebulae (PWNe), possibly gamma ray bursts (GRBs) and, as we suggest in Web10 de abr. de 2024 · Importantly, the horizontal magnetic tweezers design based on a single permanent magnet has a number of advantages over traditionally used methods like optical tweezers: i) Operation under an intrinsic “open potential” force-feedback, e.g. at a force of 20 pN the force changes by only 40 fN µm −1 (see Supporting Information) allowing the … WebWe suggest that fast-rising blue optical transients (FBOTs) and the brightest event of the class, AT2024cow, result from an electron-capture collapse to a neutron star following the merger of a massive ONeMg white dwarf (WD) with another WD. can grizzly and polar bears mate

On the nature of Fast Blue Optical Transients - NASA/ADS

UvA-DARE (Digital Academic Repository)

Web23 de ago. de 2024 · The advent of time-domain astronomy has led to the discovery of intriguing new classes of transients that evolve on timescales ≲10 days (e.g., Poznanski … Web28 de mai. de 2024 · Fast blue optical transients (FBOTs) share some characteristics with supernova explosions of massive stars and with explosions that generate gamma-ray bursts (GRBs), but still have distinctive differences from each. Three FBOTs are currently known: AT2024cow (‘The Cow’ or SN 2024cow), CSS161010 and ZTF18abvkwla (‘The Koala’). can grizzly and brown bears mateWeb21 de jun. de 2024 · On the nature of fast blue optical transients Maxim Lyutikov Maxim Lyutikov Department of Physics and Astronomy, Purdue University , 525 Northwestern … can gritting your teeth make you dizzy

"Web18 de abr. de 2024 · Short rise times of Fast Blue Optical Transients (FBOTs) require very light ejected envelopes, $M_{ej} \leq 10^{-1} M_\odot$, much smaller than of a typical … " - On the nature of fast blue optical transients

On the nature of fast blue optical transients

Web16 de set. de 2016 · The existence of multiple conformers in conjugated polymers has important implications for material performance and can be revealed most straightforwardly from optical absorption and photoluminescence (PL) spectra [1,2,3,4,5,6,7,8].Understanding the structural (conformational) attributes of … WebProgenitor models for the "luminous" subclass of Fast Blue Optical Transients (LFBOTs; prototype: AT2024cow) are challenged to simultaneously explain all of their observed …

Did you know?

WebThe many unusual properties of the enigmatic AT2024cow suggested that at least some subset of the empirical class of fast blue optical transients (FBOTs) represents a genuinely new astrophysical phenomenon. Web26 de mai. de 2024 · The Koala: A Fast Blue Optical Transient with Luminous Radio Emission from a Starburst Dwarf Galaxy at z = 0.27 - IOPscience IOPscience login / Sign Up The American Astronomical Society (AAS), established in 1899 and based in Washington, DC, is the major organization of professional astronomers in North America.

Web18 de abr. de 2024 · Short rise times of Fast Blue Optical Transients (FBOTs) require very light ejected envelopes, $M_{ej} \leq 10^{-1} M_\odot$, much smaller than of a typical … WebTheir fast time to maximum brightness of less than a week, decline over several months, and atypical optical spectra and evolution are difficult to explain within the context of the core collapse of massive stars, which are powered by radioactive decay of 56 Ni and evolve more slowly 2,3.

Web21 de jun. de 2024 · Short rise times of Fast Blue Optical Transients (FBOTs) require very light ejected envelopes, Mej ≤ 10−1 M⊙, much smaller than of a typical supernova. The … Web24 de mai. de 2024 · Mounting evidence suggests that luminous fast blue optical transients (LFBOTs) are powered by a compact object, launching an asymmetric and fast outflow responsible for the radiation observed in the ultraviolet, optical, infrared, radio, and X-ray bands. Proposed scenarios aiming to explain the electromagnetic emission include …

WebIn astronomy, a fast blue optical transient ( FBOT) is an explosion event similar to supernovas and Gamma-ray bursts which presents high optical luminosity between …

Web27 de mai. de 2024 · So far, fast blue optical transients have only been seen in small galaxies, which might provide a clue as to their underlying nature. These small galaxies … can grizzlies and black bears breedWeb11 de mar. de 2024 · Fast Blue Optical Transients due to Circumstellar Interaction and the Mysterious Supernova SN 2024gep Shing-Chi Leung, Jim Fuller, Ken'ichi Nomoto The … can grizzly bears sense fearWeb20 de abr. de 2024 · Using a newly developed model, astrophysicists present a new theory to explain fast blue optical transients, a new class of transients that has boggled researchers since their discovery in 2024. can grits make you gain weightWeb27 de abr. de 2024 · The study, “Shocked jets in CCSNe can power the zoo of fast blue optical transients,” was supported by the National Science Foundation (award numbers AST-1815304 and AST-2107839). The authors developed the simulation using supercomputers at the Texas Advanced Computing Center at the University of Texas at … can grizzly bears mate with black bearsWeb6 de jan. de 2024 · Abstract Fast Blue Optical Transients (FBOTs) are luminous transients with fast evolving (typically trise < 12 days) light curve and blue color (usually−0.2 > g−r > −0.3)that cannot... can grn be posted in previous date in sapWeb6 de abr. de 2024 · Zhang, F. et al. Multimodal fast optical interrogation of neural circuitry. Nature 446 , 633–639 (2007). Article CAS PubMed ADS Google Scholar fitch note franceWeb7 de ago. de 2024 · Nature Astronomy - The latest observational developments in the fast-paced fields of superluminous supernovae and fast blue optical transients, both types … can groin hernia pain come and go