On the nature of fast blue optical transients
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. Web12 de abr. de 2024 · The dynamics that exist before reaching an asymptotic state are called the transient dynamics, and the time required for any trajectory of the system to reach the final attractor (asymptotic state) from the initial state is called the transient time. 4–6 4 C. Grebogi, E. Ott, and J. A. Yorke, “ Critical exponent of chaotic transients in nonlinear …
On the nature of fast blue optical transients
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Web6 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... 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 …
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 … WebThe reported results confirm and strengthen the very fast transient nature of these sources, given that all their newly detected outbursts have a duration less than ∼ similar-to \sim ∼ 3 hours. Additionally, they provide the first evidence for a possible recurrent fast transient behaviour as all three sources were detected in outburst by ISGRI more than once …
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 … Web26 de mai. de 2024 · AT 2024cow is the only other Fast Blue Optical Transient with detected X-ray emission. Empty circles mark the upper limits on the X-ray luminosities of the very rapidly declining type Ic supernova 2005ek, the rapidly rising iPTF16asu, which later showed a Ic-BL spectrum, and the fast-rising, luminous transient "Dougie."
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’).
Web20 de abr. de 2024 · Ever since they were discovered in 2024, fast blue optical transients (FBOTs) have utterly surprised and completely confounded both observational and theoretical astrophysicists. bind off in rib knittingWeb14 de fev. de 2024 · 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 be... cytat filmWebOn the nature of fast blue optical transients. Lyutikov, Maxim. Short rise times of fast blue optical transients (FBOTs) require very light ejected envelopes, $M_ {\rm ej} \le 10^ … bind off knitting gifbind off knit stitch crochetWebarxiv.org cytate websmsWebfast blue optical transients Noam Soker1 Department of Physics, Technion, Haifa, 3200003, Israel; [email protected] Received 20xx month day; accepted 20xx … cytat disneyaWebFast-rising, blue optical transients (FBOTs) are a mysterious new class of optical transients identified by optical sky surveys with high observing cadence. These are … bind off knitting k11 rib