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Related papers: SNIF: The SuperNova Interactive Fitter

200 papers

The aim of this work is to present a semi-analytical light curve modeling code which can be used for estimating physical properties of core collapse supernovae (SNe) in a quick and efficient way. To verify our code we fit light curves of…

High Energy Astrophysical Phenomena · Physics 2014-11-19 Andrea P. Nagy , Andras Ordasi , Jozsef Vinko , J. Craig Wheeler

When planning a survey for astronomical transients, many factors such as cadence, filter choice, sky coverage, and depth of observations need to be balanced in order to optimize the scientific gain of the survey. Here we present a software…

Instrumentation and Methods for Astrophysics · Physics 2019-10-09 Ulrich Feindt , Jakob Nordin , Mickael Rigault , Valéry Brinnel , Suhail Dhawan , Ariel Goobar , Marek Kowalski

We provide the first results from the complete SNAD adaptive learning pipeline in the context of a broad scope of data from large-scale astronomical surveys. The main goal of this work is to explore the potential of adaptive learning…

We present 1,800 multiwavelength Type Ib/c supernovae light curve models obtained by running the radiation transport code Sedona and varying the mass distribution, velocity profile, and abundance ejecta profiles of helium star progenitors.…

High Energy Astrophysical Phenomena · Physics 2025-07-16 S. Karthik Yadavalli , V. Ashley Villar , Abigail Polin , S. E. Woosley , Maria R. Drout , Miranda Pikus

We construct a numerical light curve model for interaction-powered supernovae that arise from an interaction between the ejecta and the circumstellar matter (CSM). In order to resolve the shocked region of an interaction-powered supernova,…

High Energy Astrophysical Phenomena · Physics 2020-06-10 Yuki Takei , Toshikazu Shigeyama

Face super-resolution aims to recover high-quality facial images from severely degraded low-resolution inputs, but remains challenging due to the loss of fine structural details and identity-specific features. This work introduces SwinIFS,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Habiba Kausar , Saeed Anwar , Omar Jamal Hammad , Abdul Bais

In this work, we employ two publicly available analysis tools to study four hydrogen(H)--stripped core--collapse supernovae (CCSNe) namely, SN 2009jf, iPTF13bvn, SN 2015ap, and SN 2016bau. We use the Modular Open-Source Fitter for…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Amar Aryan , Shashi Bhushan Pandey , Amit Kumar , Rahul Gupta , Amit kumar Ror , Apara Tripathi , Sugriva Nath Tiwari

We present Sigma Web interface which provides user-friendly access for online analysis and plotting of the evaluated and experimental nuclear reaction data stored in the ENDF-6 and EXFOR formats. The interface includes advanced browsing and…

Data Analysis, Statistics and Probability · Physics 2015-03-17 B. Pritychenko , A. A. Sonzogni

We present an algorithm to identify the type of an SN spectrum and to determine its redshift and age. This algorithm, based on the correlation techniques of Tonry & Davis, is implemented in the Supernova Identification (SNID) code. It is…

Astrophysics · Physics 2009-06-23 Stéphane Blondin , John L. Tonry

We present results from a systematic search for broad ($\geq$ 400 \kms) \ha\ emission in Integral Field Spectroscopy data cubes of $\sim$1200 nearby galaxies obtained with PMAS and MUSE. We found 19 unique regions that pass our quality…

We present an expanded template library for the supernova identification (SNID) software, along with updated source files that make it easy to merge our templates - and other major SNID libraries - into the base code. This expansion, dubbed…

High Energy Astrophysical Phenomena · Physics 2025-05-26 Dylan Magill , Michael D. Fulton , Matt Nicholl , Stephen J. Smartt , Charlotte R. Angus , Shubham Srivastav , Ken W. Smith

The fitting of spectral lines is a common step in the analysis of line observations and simulations. However, the observational noise, the presence of multiple velocity components, and potentially large data sets make it a non-trivial task.…

Astrophysics of Galaxies · Physics 2024-03-08 Mika Juvela , Devika Tharakkal

The development of optical nanofibers (ONF) and the study and control of their optical properties when coupling atoms to their electromagnetic modes has opened new possibilities for their use in quantum optics and quantum information…

We discuss the extent to which photometric measurements alone can be used to identify Type Ia supernovae (SNIa) and to determine redshift and other parameters of interest for cosmological studies. We fit the light curve data of the type…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 Yan Gong , Asantha Cooray , Xuelei Chen

Multi-Modal Image Fusion (MMIF) aims to combine images from different modalities to produce fused images, retaining texture details and preserving significant information. Recently, some MMIF methods incorporate frequency domain information…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Yixin Zhu , Long Lv , Pingping Zhang , Xuehu Liu , Tongdan Tang , Feng Tian , Weibing Sun , Huchuan Lu

With growing data from ongoing and future supernova surveys it is possible to empirically quantify the shapes of SNIa light curves in more detail, and to quantitatively relate the shape parameters with the intrinsic properties of SNIa.…

Solar and Stellar Astrophysics · Physics 2018-05-02 Shiyuan He , Lifan Wang , Jianhua Z. Huang

Type Ia supernovae are thought to be the outcome of the thermonuclear explosion of a carbon/oxygen white dwarf in a close binary system. Their optical light curve is powered by thermalized gamma-rays produced by the radioactive decay of…

High Energy Astrophysical Phenomena · Physics 2017-06-21 J. Isern , E. Bravo , P. Jean , J. Knödlseder

Here we present a catalog of 12,993 photometrically-classified supernova-like light curves from the Zwicky Transient Facility, along with candidate host galaxy associations. By training a random forest classifier on spectroscopically…

High Energy Astrophysical Phenomena · Physics 2022-02-21 Braden Garretson , Dan Milisavljevic , Jack Reynolds , Kathryn E. Weil , Bhagya Subrayan , John Banovetz , Rachel Lee

The analysis of astronomical interferometric data is often performed on the images obtained after deconvolution of the interferometer's point spread function (PSF). This strategy can be understood (especially for cases of sparse arrays) as…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 I. Marti-Vidal , W. H. T. Vlemmings , S. Muller , S. Casey

We present LZIFU (LaZy-IFU), an IDL toolkit for fitting multiple emission lines simultaneously in integral field spectroscopy (IFS) data. LZIFU is useful for the investigation of the dynamical, physical and chemical properties of gas in…