Results 81 to 90 of about 206,857 (160)

Application of Deep-learning Methods for Distinguishing Gamma-Ray Bursts from Fermi/GBM Time-tagged Event Data

The Astrophysical Journal Supplement Series
To investigate gamma-ray bursts (GRBs) in depth, it is crucial to develop an effective method for identifying GRBs accurately. Current criteria, e.g., onboard blind search, ground blind search, and target search, are limited by manually set thresholds ...
Peng Zhang, Bing Li, Renzhou Gui, Shaolin Xiong, Ze-Cheng Zou, Xianggao Wang, Xiaobo Li, Ce Cai, Yi Zhao, Yanqiu Zhang, Wangchen Xue, Chao Zheng, Hongyu Zhao   +12 more
doaj   +1 more source

An Advanced Identification Method for Gamma-Ray Bursts with Data and Feature Enhancements

The Astrophysical Journal Supplement Series
Gamma-ray bursts (GRBs) are challenging to identify due to their transient nature, complex temporal profiles, and limited observational datasets. We address this with a one-dimensional convolutional neural network integrated with an adaptive frequency ...
Peng Zhang, Bing Li, Ren-Zhou Gui, Shao-Lin Xiong, Yu Wang, Shi-Jie Zheng, Guang-Cheng Xiao, Xiao-Bo Li, Yue Huang, Chen-Wei Wang, Jia-Cong Liu, Yan-Qiu Zhang, Wang-Chen Xue, Chao Zheng, Yue Wang   +14 more
doaj   +1 more source

Search for the optimal smoothing method to improve S/N in cosmic maser spectra

Open Astronomy
In this article, a number of smoothing methods were investigated to enhance the signal-to-noise (S/N) ratio of diverse methanol maser spectral data, encompassing variations in signal strength, multiplicity of peaks, and spectral complexity.
Egliene Anete, Aberfelds Artis
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JWST-TST DREAMS: A Supersolar Metallicity in WASP-17 b’s Dayside Atmosphere from NIRISS SOSS Eclipse Spectroscopy

The Astronomical Journal
We present the first emission spectrum of the hot Jupiter WASP-17 b using one eclipse observation from the JWST Near Infrared Imager and Slitless Spectrograph (NIRISS) Single Object Slitless Spectroscopy (SOSS) mode.
Amélie Gressier, Ryan J. MacDonald, Néstor Espinoza, Hannah R. Wakeford, Nikole K. Lewis, Jayesh Goyal, Dana R. Louie, Michael Radica, Natasha E. Batalha, Douglas Long, Erin M. May, Elijah Mullens, Sara Seager, Kevin B. Stevenson, Jeff A. Valenti, Lili Alderson, Natalie H. Allen, Caleb I. Cañas, Ryan C. Challener, Knicole Colón, Ana Glidden, David Grant, Jingcheng Huang, Zifan Lin, Daniel Valentine, C. Matt Mountain, Laurent Pueyo, Marshall D. Perrin, Roeland P. van der Marel   +28 more
doaj   +1 more source

A Population Analysis of 20 Exoplanets Observed from Optical to Near-infrared Wavelengths with the Hubble Space Telescope: Evidence for Widespread Stellar Contamination

The Astrophysical Journal Supplement Series
We present a population study of 20 exoplanets, ranging from Neptune-like to inflated hot-Jupiter planets, observed during transit with the Space Telescope Imaging Spectrograph (STIS) and Wide Field Camera 3 (WFC3) instruments on board the Hubble Space ...
Arianna Saba, Alexandra Thompson, Kai Hou Yip, Sushuang Ma, Angelos Tsiaras, Ahmed Faris Al-Refaie, Giovanna Tinetti   +6 more
doaj   +1 more source

PHANGS-JWST: Data-processing Pipeline and First Full Public Data Release

The Astrophysical Journal Supplement Series
The exquisite angular resolution and sensitivity of JWST are opening a new window for our understanding of the Universe. In nearby galaxies, JWST observations are revolutionizing our understanding of the first phases of star formation and the dusty ...
Thomas G. Williams, Janice C. Lee, Kirsten L. Larson, Adam K. Leroy, Karin Sandstrom, Eva Schinnerer, David A. Thilker, Francesco Belfiore, Oleg V. Egorov, Erik Rosolowsky, Jessica Sutter, Joseph DePasquale, Alyssa Pagan, Travis A. Berger, Gagandeep S. Anand, Ashley T. Barnes, Frank Bigiel, Médéric Boquien, Yixian Cao, Jérémy Chastenet, Mélanie Chevance, Ryan Chown, Daniel A. Dale, Sinan Deger, Cosima Eibensteiner, Eric Emsellem, Christopher M. Faesi, Simon C. O. Glover, Kathryn Grasha, Stephen Hannon, Hamid Hassani, Jonathan D. Henshaw, María J. Jiménez-Donaire, Jaeyeon Kim, Ralf S. Klessen, Eric W. Koch, Jing Li, Daizhong Liu, Sharon E. Meidt, J. Eduardo Méndez-Delgado, Eric J. Murphy, Justus Neumann, Lukas Neumann, Nadine Neumayer, Elias K. Oakes, Debosmita Pathak, Jérôme Pety, Francesca Pinna, Miguel Querejeta, Lise Ramambason, Andrea Romanelli, Mattia C. Sormani, Sophia K. Stuber, Jiayi Sun, Yu-Hsuan Teng, Antonio Usero, Elizabeth J. Watkins, Tony D. Weinbeck   +57 more
doaj   +1 more source

A tidal disruption event from an intermediate-mass black hole revealed by comprehensive multi-wavelength observations. [PDF]

Nat Commun
Wang J, Huang M, Xue Y, Jiang N, Huang S, Wang Y, Zhu J, Zhu S, Dai L, Jin C, Luo B, Shu X, Sun M, Wang T, Zou F.   +14 more
europepmc   +1 more source

A complex structure of escaping helium spanning more than half the orbit of the ultra-hot Jupiter WASP-121 b. [PDF]

Nat Commun
Allart R, Coulombe LP, Carteret Y, Splinter J, Dang L, Bourrier V, Lafrenière D, Albert L, Artigau É, Benneke B, Cowan NB, Doyon R, Krishnamurthy V, Jayawardhana R, Johnstone D, Langeveld AB, Meyer MR, Pelletier S, Piaulet-Ghorayeb C, Radica M, Taylor J, Turner JD.   +21 more
europepmc   +1 more source

A universal brown dwarf desert formed between planets and stars. [PDF]

Proc Natl Acad Sci U S A
Cui K, Xiao GY, Feng F, Liu B, Nayakshin S, Hall C, Guo K, Lai D, Ogihara M, Rui Y, Boss AP, Butler RP, Xuan Y.   +12 more
europepmc   +1 more source

Magnetic activity and spectral behavior of RS CVn binary system (IM Pegasi) in the ultraviolet. [PDF]

Sci Rep
Sanad MR, Rahman HIA, Badawy WA.
europepmc   +1 more source