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Related papers: Flares from Space Debris in LSST Images

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Radio bursts from nearby active M-dwarfs have been frequently reported and extensively studied in solar or planetary paradigms. Whereas, their sub-structures or fine structures remain rarely explored despite their potential significance in…

Solar and Stellar Astrophysics · Physics 2023-08-09 Jiale Zhang , Hui Tian , Philippe Zarka , Corentin K. Louis , Hongpeng Lu , Dongyang Gao , Xiaohui Sun , Sijie Yu , Bin Chen , Xin Cheng , Ke Wang

The Weizmann Fast Astronomical Survey Telescope (W-FAST) is a 55cm optical survey telescope with a high cadence (25Hz) monitoring of the sky over a wide field of view (~7deg^2). The high frame rate allows detection of sub-second transients…

Instrumentation and Methods for Astrophysics · Physics 2021-05-26 Guy Nir , Eran O. Ofek , Sagi Ben-Ami , Noam Segev , David Polishook , Ilan Manulis

The Vera C. Rubin Observatory Legacy Survey of Space and Time (LSST) will start by the end of 2025 and operate for ten years, offering billions of observations of the southern night sky. One of its main science goals is to create an…

We have modelled diffuse far-ultraviolet spectrum observed by FUSE near M42 as scattering of starlight from the Trapezium stars by dust in front of the nebula. The dust grains are known to be anomalous in Orion with Rv = 5.5 and these are…

Astrophysics · Physics 2009-11-11 P. Shalima , N. V. Sujatha , Jayant Murthy , Richard Conn Henry , David J. Sahnow

A search for second-timescale optical transients is one of the frontiers of time-domain astronomy. However, it has been pointed out that reflections of sunlight from Earth-orbiting objects can also produce second-timescale ``glints.'' We…

Asteroid impactors larger than ~10 m, from Chelyabinsk-scale airburst and Tunguska-scale events to >300 m continental threats, remain the dominant planetary-defense risk. While the Vera C. Rubin Observatory Legacy Survey of Space and Time…

Earth and Planetary Astrophysics · Physics 2026-01-26 Qifeng Cheng , Daniel Scolnic , Jacob A. Kurlander , Ian Chow , Maryann Benny Fernandes

The first prototype of LST (LST-1) for the Cherenkov Telescope Array has been in commissioning phase since 2018 and already started scientific observations with the low energy threshold around a few tens of GeV. In 2021, LST-1 observed BL…

High Energy Astrophysical Phenomena · Physics 2023-09-19 Seiya Nozaki , Katsuaki Asano , Juan Escudero , Gabriel Emery , Chaitanya Priyadarshi

We present the results of fast spectrophotometry of flares on the RS CVn-type star AR Lac with a time resolution of 34 s and a spectroscopic resolution R $\sim $ 1300. The observations were performed on July 21-22, 2021 with the 2.0 m Karl…

Solar and Stellar Astrophysics · Physics 2022-04-26 Ya. S. Markus , B. E. Zhilyaev

Strong lensing by galaxy clusters can be used to significantly expand the survey reach, thus allowing observation of magnified high-redshift supernovae that otherwise would remain undetected. Strong lensing can also provide multiple images…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-01 T. Petrushevska

This paper describes Herschel observations of the nearby (8.5pc) G5V multi-exoplanet host star 61 Vir at 70-500micron carried out by the DEBRIS survey. These reveal emission that is extended out to >15arcsec with a morphology that can be…

Reflections from objects in Earth orbit can produce sub-second, star-like optical flashes similar to astrophysical transients. Reflections have historically caused false alarms for transient surveys, but the population has not been…

The Vera C. Rubin Observatory is due to commence the 10-year Legacy Survey of Space and Time (LSST) at the end of 2025. To detect transient/variable sources and identify solar system objects (SSOs), the processing pipelines require…

Vera C. Rubin Observatory, through the Legacy Survey of Space and Time (LSST), will allow us to derive a panchromatic view of variability in young stellar objects (YSOs) across all relevant timescales. Indeed, both short-term variability…

The presence of fringing in astronomical CCD images will impact photometric quality and measurements. Yet its impact on the Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST) has not been fully studied. We present a detailed…

Instrumentation and Methods for Astrophysics · Physics 2023-03-28 Zhiyuan Guo , Chris W. Walter , Craig Lage , Robert H. Lupton , The LSST Dark Energy Science Collaboration

Stellar flares have been extensively studied in soft X-rays (SXR) by basically every X-ray mission. Hard X-ray (HXR) emission from stellar superflares, however, have only been detected from a handful of objects over the past years. One very…

High Energy Astrophysical Phenomena · Physics 2017-12-20 Stefan Ohm , Clemens Hoischen

Low Earth Orbit satellite (LEOsat) mega-constellations are considered to be an unavoidable source of contamination for survey observations to be carried out by the China Space Station Telescope (CSST) over the next decade. This study…

Instrumentation and Methods for Astrophysics · Physics 2025-10-27 Huai-Jin Tang , Xiao-Lei Meng , Hu Zhan , Guo-Liang Li , Cheng-Liang Wei , Xian-Min Meng , Xi-Yang Fu , You-Hua Xu

The Vera C. Rubin Observatory will begin the Legacy Survey of Space and Time (LSST) in 2024, spanning an area of 18,000 square degrees in six bands, with more than 800 observations of each field over ten years. The unprecedented data set…

We present preliminary results of observations made, during the spring of 1996, with the 3-m liquid mirror telescope of the NASA Orbital Debris Observatory. A 20-arcmin-wide strip of sky was observed at latitude of 32deg56 N using 10…

Astrophysics · Physics 2007-05-23 Remi A. Cabanac

The Legacy Survey of Space and Time (LSST) with the Vera Rubin Observatory will provide strong microlensing constraints on dark compact objects (DCOs) in our Galaxy. However, most current forecasts limit their analysis to Primordial Black…

Astrophysics of Galaxies · Physics 2022-07-14 Harrison Winch , Jack Setford , Jo Bovy , David Curtin

Given the possible repetitive nature of fast radio bursts (FRBs), their cosmological origin, and their high occurrence, detection of strongly lensed sources due to intervening galaxy lenses is possible with forthcoming radio surveys. We…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Liang Dai , Wenbin Lu