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Related papers: SNIF: The SuperNova Interactive Fitter

200 papers

We present SHINOBI, an end-to-end framework for the reconstruction of shape, material, and illumination from object images captured with varying lighting, pose, and background. Inverse rendering of an object based on unconstrained image…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Andreas Engelhardt , Amit Raj , Mark Boss , Yunzhi Zhang , Abhishek Kar , Yuanzhen Li , Deqing Sun , Ricardo Martin Brualla , Jonathan T. Barron , Hendrik P. A. Lensch , Varun Jampani

Interaction between supernova (SN) ejecta and a dense circumstellar medium (CSM) can power a luminous light curve and create narrow emission lines in the spectra. While theoretical studies of interaction often assume a spherically symmetric…

High Energy Astrophysical Phenomena · Physics 2018-04-04 Austin T. McDowell , Paul C. Duffell , Daniel Kasen

Visual tracking often faces challenges such as invalid targets and decreased performance in low-light conditions when relying solely on RGB image sequences. While incorporating additional modalities like depth and infrared data has proven…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Lei Liu , Mengya Zhang , Cheng Li , Chenglong Li , Jin Tang

In this paper we use the recently released Type Ia Supernova (SNIa) data to constrain the interactions between the neutrinos and the dark energy scalar fields. In the analysis we take the dark energy scalars to be either Quintessence-like…

Astrophysics · Physics 2009-11-13 Hong Li , Bo Feng , Jun-Qing Xia , Xinmin Zhang

We use the new Modular Open Source Fitter for Transients (MOSFiT) to model 38 hydrogen-poor superluminous supernovae (SLSNe). We fit their multicolour light curves with a magnetar spin-down model and present the posterior distributions of…

High Energy Astrophysical Phenomena · Physics 2018-01-22 Matt Nicholl , James Guillochon , Edo Berger

Recently, silicon nitride (Si3N4) photonic integrated circuits (PICs) are of a great interest due to their extremely low waveguides losses. The number of Si3N4 integrated photonics platform applications is constantly growing including the…

Modelling complex line emission in the interstellar medium (ISM) is a degenerate, high-dimensional problem. Here, we present McFine, a tool for automated multi-component fitting of emission lines with complex hyperfine structure, in a fully…

Astrophysics of Galaxies · Physics 2024-09-11 Thomas G. Williams , Elizabeth J. Watkins

After GW170817, kilonovae have become of great interest for the astronomical, astrophysics and nuclear physics communities, due to their potential in revealing key information on the compact binary merger from which they emerge, such as the…

Integrated photonics operating at visible-near-infrared (VNIR) wavelengths offer scalable platforms for advancing optical systems for addressing atomic clocks, sensors, and quantum computers. The complexity of free-space control optics…

Spiking neural networks (SNNs) have attracted much attention due to their ability to process temporal information, low power consumption, and higher biological plausibility. However, it is still challenging to develop efficient and…

Neural and Evolutionary Computing · Computer Science 2023-02-21 Chunming Jiang , Yilei Zhang

SN 1987A in the Large Magellanic Cloud is close enough for a study of the very late time evolution of a supernova and its transition to a supernova remnant. Nearly two decades after explosion we are witnessing the supernova shock wave…

We have developed a range of theoretical and numerical techniques for modeling the multi-mode, 210-34 micron, ultra-low-noise Transition Edge Sensors that will be used on the SAFARI instrument on the ESA/JAXA cooled-aperture FIR space…

Instrumentation and Methods for Astrophysics · Physics 2013-07-30 Stafford Withington , Christopher N. Thomas , David J. Goldie

Recent image matting studies are developing towards proposing trimap-free or interactive methods for complete complex image matting tasks. Although avoiding the extensive labors of trimap annotation, existing methods still suffer from two…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Dinghao Yang , Bin Wang , Weijia Li , Yiqi Lin , Conghui He

Type Ia supernovae (SNe Ia) are a prime tool in observational cosmology. A relation between their peak luminosities and the shapes of their light curves allows to infer their intrinsic luminosities and to use them as distance indicators.…

Solar and Stellar Astrophysics · Physics 2010-02-15 F. K. Roepke , W. Hillebrandt , D. Kasen , S. E. Woosley

We present TARDIS - an open-source code for rapid spectral modelling of supernovae (SNe). Our goal is to develop a tool that is sufficiently fast to allow exploration of the complex parameter spaces of models for SN ejecta. This can be used…

Solar and Stellar Astrophysics · Physics 2015-06-18 Wolfgang E. Kerzendorf , Stuart A. Sim

We propose INFAMOUS-NeRF, an implicit morphable face model that introduces hypernetworks to NeRF to improve the representation power in the presence of many training subjects. At the same time, INFAMOUS-NeRF resolves the classic…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Andrew Hou , Feng Liu , Zhiyuan Ren , Michel Sarkis , Ning Bi , Yiying Tong , Xiaoming Liu

An integrated filterbank (IFB) in combination with microwave kinetic inductance detectors (MKIDs), both based on superconducting resonators, could be used to make broadband submillimeter imaging spectrographs that are compact and flexible.…

Instrumentation and Methods for Astrophysics · Physics 2015-05-28 A. Endo , P. van der Werf , R. M. J. Janssen , P. J. de Visser , T. M. Klapwijk , J. J. A. Baselmans , L. Ferrari , A. M. Baryshev , S. J. C. Yates

Type Ia supernovae (SNeIa), the thermonuclear explosions of C/O white dwarf stars in binary systems, are phenomena that remain poorly understood. The complexity of their progenitor systems, explosion physics and intrinsic diversity poses…

Superconducting Quantum Interference Filters (SQIFs) are arrays of superconducting loops of different sizes including Josephson Junctions (JJ). For a random distribution of sizes, they present a non-periodic response to an applied magnetic…

Shifting the focus of Type Ia supernova (SN Ia) cosmology to the near-infrared (NIR) is a promising way to significantly reduce the systematic errors, as the strategy minimizes our reliance on the empirical width-luminosity relation and…