On the nature of fast blue optical transients

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August undefined, 2024

Web3 de nov. de 2024 · The fast blue optical transient (FBOT) ATLAS18qqn (AT2024cow) has a light curve as bright as that of superluminous supernovae (SLSNe) but rises and falls much faster. We model this light... 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 …

fast blue optical transients arXiv:2201.07728v2 [astro-ph.HE] 7 Mar …

WebProgenitor models for the "luminous" subclass of Fast Blue Optical Transients (LFBOTs; prototype: AT2024cow) are challenged to simultaneously explain all of their observed … 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 … how many dots does pacman eat

(PDF) Dust Echoes from Luminous Fast Blue Optical Transients

WebA population of particular recent interest is “fast-evolving luminous transients” (Rest et al. 2024) or “fast blue optical transients” (Margutti et al. 2024). A consistent deﬁnition of this “class” does not yet exist; these terms typically refer to transients with rise times and peak luminosities too fast and too Web23 de ago. 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 … Web6 de abr. de 2024 · We connect our theoretical framework to several case studies of observed transients, highlighting the relevance in explaining slow-rising and superluminous supernovae, fast blue optical transients ... high tide river tees

Observational properties of extreme supernovae Nature Astronomy

Dying stars’ cocoons might explain fast blue optical transients

Web14 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... 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... high tide river severn todayWeb6 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 high tide rides nashville

"Web20 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. " - On the nature of fast blue optical transients

On the nature of fast blue optical transients

Fast Optical Transients from Stellar-Mass Black Hole Tidal …

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 … 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 …

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Web6 de jan. de 2024 · Abstract The nature of the newly discovered fast blue optical transients (FBOTs) is still puzzling astronomers. In this paper we carry out a comprehensive analysis of the molecular gas,... 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 …

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." 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 …

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. WebOn 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^ …

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’).

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. high tide river mersey todayWeb27 de mai. de 2024 · A New Class of Astronomical Transients. Some of the fastest outflows in nature are beginning to turn up in the phenomena known as Fast Blue Optical Transients (FBOTs). These are observed as bursts that quickly fade but leave quite an impression with their spectacular outpouring of energy. The transient AT2024cow was … high tide roanoke riverWebShort 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 … how many dots on a pacman boardWeb21 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 … how many dots in sileoWebFor voltage-clamp experiments, the ‘first step in our analysis is to divide the total membrane current into a capacity current and an ionic current’ (Hodgkin and Huxley 1952a).The capacity current is used to estimate the capacitance of a cell—size that helps in relating the membrane current magnitude and available active α subunits—channel densities under … how many dots does pacman have to eat how many dots on a footballWeb4 de dez. de 2024 · Fast Optical Transients from Stellar-Mass Black Hole Tidal Disruption Events in Young Star Clusters Kyle Kremer, Wenbin Lu, Anthony L. Piro, Sourav Chatterjee, Frederic A. Rasio, Claire S. Ye Observational evidence suggests that the majority of stars may have been born in stellar clusters or associations. how many dots in a sunday on la grande jatte