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Related papers: Fuzzy Supernova Templates I: Classification

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To determine if the SuperNova Empirical Model (SNEMO) can improve Type Ia supernova (SN Ia) standardization of several currently available photometric data sets, we perform an initial test, comparing results with the much-used SALT2…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-19 B. M. Rose , S. Dixon , D. Rubin , R. Hounsell , C. Saunders , S. Deustua , A. Fruchter , L. Galbany , S. Perlmutter , M. Sako

Superluminous supernova (SLSN) lightcurves exhibit a superior diversity compared to their regular luminosity counterparts in terms of rise and decline timescales, peak luminosities and overall shapes. It remains unclear whether this…

High Energy Astrophysical Phenomena · Physics 2019-04-03 Emmanouil Chatzopoulos , Richard Tuminello

The coming era of large photometric wide-field surveys will increase the detection rate of supernovae by orders of magnitude. Such numbers will restrict spectroscopic follow-up in the vast majority of cases, and hence new methods based…

Core-collapse supernovae (CCSN) are a prime source of gravitational waves. Estimations of their typical frequencies make them perfect targets for the current network of advanced, ground-based detectors. A successful detection could…

General Relativity and Quantum Cosmology · Physics 2022-03-30 Ainara Saiz-Pérez , Alejandro Torres-Forné , José A. Font

Novel String Banana Template Method (SBTM) for track reconstruction in difficult conditions is proposed and implemented for off-line analysis of relativistic heavy ion collision events. The main idea of the method is in use of features of…

Data Analysis, Statistics and Probability · Physics 2016-09-08 P. Kulinich , S. Basilev , V. Krylov

This paper presents spectroscopy of supernovae discovered in the first season of the Sloan Digital Sky Survey-II Supernova Survey. This program searches for and measures multi-band light curves of supernovae in the redshift range z = 0.05 -…

We have entered the era of explosive transient astronomy, in which upcoming real-time surveys like the Large Synoptic Survey Telescope (LSST), the Palomar Transient Factory (PTF) and Panoramic Survey Telescope and Rapid Response System…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Lucille H. Frey , Wesley Even , Daniel J. Whalen , Chris L. Fryer , Aimee L. Hungerford , Christopher J. Fontes , James Colgan

We briefly describe the current version of the PHOENIX code. We then present some results on the modeling of Type II supernovae and show that fits to observations can be obtained, when account is taken for spherically symmetric,…

Astrophysics · Physics 2007-05-23 E. Baron , Peter Nugent , David Branch , Peter H. Hauschildt

The aim of the work presented in this paper is to test and optimise supernova detection methods based on the optimal image subtraction technique. The main focus is on applying the detection methods to wide field supernova imaging surveys…

Astrophysics · Physics 2009-11-13 J. Melinder , S. Mattila , G. Östlin , L. Mencía Trinchant , C. Fransson

In this work, we explore the cosmological consequences of the latest Type Ia supernova (SN Ia) data-set, Pantheon, by adopting the $wCDM$ model. The Pantheon data-set is the largest SN Ia samples till now, which contains 1048 supernovae on…

Cosmology and Nongalactic Astrophysics · Physics 2021-07-13 Shuang Wang , Xiaolin Luo

We present a comparative study of 22 core-collapse supernovae (SNe), selected to explore a novel, multidimensional ranking scheme aimed at identifying the best supernova. Each SN is evaluated based on three principal criteria: (1) inferred…

High Energy Astrophysical Phenomena · Physics 2025-04-02 The Gigantic Supernova Pile , Collaboration

Modern time-domain astronomy will benefit from the vast data collected by survey telescopes. The 2.5 m Wide Field Survey Telescope (WFST), with its powerful capabilities, is promising to make significant contributions in the era of large…

Instrumentation and Methods for Astrophysics · Physics 2025-06-03 Yongling Tang , Lulu Fan , Zhen Wan , Yating Liu , Yan Lu

This paper presents a novel approach to visual objects classification based on generating simple fuzzy classifiers using local image features to distinguish between one known class and other classes. Boosting meta learning is used to find…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Marcin Korytkowski , Leszek Rutkowski , Rafał Scherer

Traditionally, neutron-$\gamma$ discrimination in organic scintillators relies on techniques such as time-of-flight (ToF) selection and pulse-shape discrimination (PSD). However, particle identification through graphical cuts remains…

We present SiFTO, a new empirical method for modeling type Ia supernovae (SNe Ia) light curves by manipulating a spectral template. We make use of high-redshift SN observations when training the model, allowing us to extend it bluer than…

A long-standing issue with deep learning is the need for large and consistently labeled datasets. Although the current research in semi-supervised learning can decrease the required amount of annotated data by a factor of 10 or even more,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-20 Lars Schmarje , Johannes Brünger , Monty Santarossa , Simon-Martin Schröder , Rainer Kiko , Reinhard Koch

Spectroscopy is an important tool for providing insights into the structure of core-collapse supernova explosions. We use the Monte Carlo radiative transfer code ARTIS to compute synthetic spectra and light curves based on a two-dimensional…

Solar and Stellar Astrophysics · Physics 2023-05-30 Thomas Maunder , Bernhard Müller , Fionntan Callan , Stuart Sim , Alexander Heger

Due to high-cadence automated surveys, we can now detect and classify supernovae (SNe) within a few days after explosion, if not earlier. Early-time spectra of young SNe directly probe the outermost layers of the ejecta, providing insights…

While significant advances have been made in photometric classification ahead of the millions of transient events and hundreds of supernovae (SNe) each night that the Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will…

Instrumentation and Methods for Astrophysics · Physics 2025-09-12 Willow Fox Fortino , Federica B. Bianco , Pavlos Protopapas , Daniel Muthukrishna , Austin Brockmeier