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Related papers: WISeREP - An Interactive Supernova Data Repository

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We present a data-driven method based on long short-term memory (LSTM) neural networks to analyze spectral time series of Type Ia supernovae (SNe Ia). The dataset includes 3091 spectra from 361 individual SNe Ia. The method allows for…

High Energy Astrophysical Phenomena · Physics 2022-05-09 Lei Hu , Xingzhuo Chen , Lifan Wang

The spike camera, with its high temporal resolution, low latency, and high dynamic range, addresses high-speed imaging challenges like motion blur. It captures photons at each pixel independently, creating binary spike streams rich in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Liangyan Jiang , Chuang Zhu , Yanxu Chen

Upcoming photometric surveys will discover tens of thousands of Type Ia supernovae (SNe Ia), vastly outpacing the capacity of our spectroscopic resources. In order to maximize the science return of these observations in the absence of…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-11 Helen Qu , Masao Sako

A quick look at research and development in astronomy shows that we live in exciting times. Exoplanetary systems, supernovae, and merging binary black holes were far out of reach for observers two decades ago and now such phenomena are…

Instrumentation and Methods for Astrophysics · Physics 2017-11-27 Peter Nemeth

SURFSUP is a joint Spitzer and HST Exploration Science program using 10 galaxy clusters as cosmic telescopes to study z >~ 7 galaxies at intrinsically lower luminosities, enabled by gravitational lensing, than blank field surveys of the…

Gravitationally lensed supernovae (SNe) are extremely rare and fade quickly; as a result, they are challenging to detect. To identify lensed SNe in large imaging datasets, current surveys primarily rely on the {\it magnification} effect of…

Instrumentation and Methods for Astrophysics · Physics 2025-12-24 Fawad Kirmani , Arjun Karki , Steve Rodney , Kyle Lackey , Varsha P. Kulkarni , John R. Rose , Justin Pierel

Understanding and monitoring the complex and dynamic processes of the Sun is important for a number of human activities on Earth and in space. For this reason, NASA's Solar Dynamics Observatory (SDO) has been continuously monitoring the…

Wi-Fi sensing has emerged as a powerful non-intrusive technology for recognizing human activities, monitoring vital signs, and enabling context-aware applications using commercial wireless devices. However, the performance of Wi-Fi sensing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Fei Wang , Tingting Zhang , Wei Xi , Han Ding , Ge Wang , Di Zhang , Yuanhao Cui , Fan Liu , Jinsong Han , Jie Xu , Tony Xiao Han

Strong gravitationally lensed supernovae (LSNe), though rare, are exceptionally valuable probes for cosmology and astrophysics. Upcoming time-domain surveys like the Vera Rubin Observatory's Legacy Survey of Space and Time (LSST) offer a…

Instrumentation and Methods for Astrophysics · Physics 2026-03-04 Satadru Bag , Raoul Canameras , Sherry H. Suyu , Stefan Schuldt , Stefan Taubenberger , Irham Taufik Andika , Alejandra Melo

The spectrogram is a classical DSP tool used to view signals in both time and frequency. Unfortunately, the Heisenberg Uncertainty Principal limits our ability to use them for detecting and measuring narrowband signal modulation in wideband…

Information Theory · Computer Science 2014-01-22 Ray Maleh , Frank A. Boyle

In the coming years, next-generation space-based infrared observatories will significantly increase our samples of rare massive stars, representing a tremendous opportunity to leverage modern statistical tools and methods to test massive…

Solar and Stellar Astrophysics · Physics 2021-06-02 Trevor Z. Dorn-Wallenstein , James R. A. Davenport , Daniela Huppenkothen , Emily M. Levesque

Recent advances in the development of the low-cost, power-efficient embedded devices, coupled with the rising need for support of new information processing paradigms such as smart spaces and military surveillance systems, have led to…

Information Retrieval · Computer Science 2015-03-03 Savneet Kaur , Deepali Virmani , Satbir Jain

Despite the importance of Type Ia supernovae (SNe Ia) for modern astrophysics, their detailed mechanism is still not fully understood. In this contribution, we present recent findings from numerical explosion models in the context of the…

High Energy Astrophysical Phenomena · Physics 2017-07-04 Markus Kromer , Sebastian T. Ohlmann , Friedrich K. Roepke

In the rapidly evolving era of Artificial Intelligence (AI), synthetic data are widely used to accelerate innovation while preserving privacy and enabling broader data accessibility. However, the evaluation of synthetic data remains…

Supernova remnants (SNRs) are among the most important sources of non-thermal X-rays in the sky and likely contributors to Galactic cosmic rays and represent ideal targets to showcase the capabilities of the Imaging X-ray Polarimetry…

High Energy Astrophysical Phenomena · Physics 2025-01-23 Riccardo Ferrazzoli

We have established an RNA Mapping Database (RMDB) to enable a new generation of structural, thermodynamic, and kinetic studies from quantitative single-nucleotide-resolution RNA structure mapping (freely available at…

Biomolecules · Quantitative Biology 2011-10-04 Pablo Cordero , Julius Lucks , Rhiju Das

Precise measurements of Type Ia supernovae (SNe Ia) at low redshifts ($z$) serve as one of the most viable keys to unlocking our understanding of cosmic expansion, isotropy, and growth of structure. The Dark Energy Bedrock All-Sky…

Large numbers of supernovae (SNe) have been discovered in recent years, and many more will be found in the near future. Once discovered, further study of a SN and its possible use as an astronomical tool (e.g., as a distance estimator)…

Observations of high-redshift supernovae (SNe) open a novel opportunity to study the massive star population in the early Universe. We study the detectability of superluminous SNe with upcoming optical and near-infrared (NIR) surveys. Our…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Masaomi Tanaka , Takashi J. Moriya , Naoki Yoshida , Ken'ichi Nomoto
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