Results 21 to 30 of about 206,857 (160)
Cosmic-CoNN: A Cosmic-Ray Detection Deep-learning Framework, Data Set, and Toolkit
The Astrophysical Journal, 2023 Rejecting cosmic rays (CRs) is essential for the scientific interpretation of CCD-captured data, but detecting CRs in single-exposure images has remained challenging.
Chengyuan Xu +4 more
doaj +1 more source
Adaptive data reduction workflows for astronomy: The ESO Data Processing System (EDPS)
Astronomy & AstrophysicsContext. Astronomical data reduction is usually done via processing pipelines that consist of a series of individual processing steps that can be executed one at a time. These processing steps are then strung together into workflows and fed with data to address a particular processing goal.
W. Freudling +6 more
openaire +2 more sources
Square Root Compression and Noise Effects in Digitally Transformed Images
The Astrophysical Journal, 2022 We report on a particular example of noise and data representation interacting to introduce systematic error into scientific measurements. Many instruments collect integer digitized values and apply nonlinear coding, in particular square root coding, to ...
Craig E. DeForest +3 more
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Sensors, 2022 The phenomenon of big data has occurred in many fields of knowledge, one of which is astronomy. One example of a large dataset in astronomy is that of numerically integrated time series asteroid orbital elements from a time span of millions to billions ...
Lala Septem Riza +5 more
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The Evryscope Fast Transient Engine: Real-time Detection for Rapidly Evolving Transients
The Astrophysical Journal Supplement Series, 2023 Astrophysical transients with rapid developments on subhour timescales are intrinsically rare. Due to their short durations, events like stellar superflares, optical flashes from gamma-ray bursts, and shock breakouts from young supernovae are difficult ...
Hank Corbett +10 more
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Extracting Cleaned Swift/UVOT Ultraviolet Grism Spectra with the uvotpy Package
The Astrophysical Journal Supplement SeriesThe Ultraviolet/Optical Telescope (UVOT) on board the Neil Gehrels Swift Observatory is capable of imaging with seven lenticular filters and of taking slitless spectra with two grisms.
Hao Zhou +5 more
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Imaging Stars by Performing Full-Stokes Optical Interferometric Polarimetry [PDF]
Journal of Astronomy and Space Sciences, 2012 Optical interferometry and polarimetry have separately provided new insights into stellar astronomy, especially in the fields of fundamental parameters and atmospheric models.
Nicholas M. Elias II +6 more
doaj +1 more source
The Astrophysical Journal Supplement SeriesThe Gemini Planet Imager (GPI), an extreme adaptive optics instrument on Gemini South, has been pivotal in the advancement of the debris-disk field.
Katie A. Crotts +12 more
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The Hubble Legacy Archive NICMOS Grism Data
, 2008 The Hubble Legacy Archive (HLA) aims to create calibrated science data from the Hubble Space Telescope archive and make them accessible via user-friendly and Virtual Observatory (VO) compatible interfaces.
A. Micol +28 more
core +1 more source