Difference image analysis: The interplay between the photometric scale factor and systematic photometric errors [PDF]
, 2015 Context: Understanding the source of systematic errors in photometry is essential for their calibration. Aims: We investigate how photometry performed on difference images can be influenced by errors in the photometric scale factor. Methods: We explore the equations for difference image analysis (DIA) and we derive an expression describing how errors ...
Alsubai, K. A. +4 more
arxiv +3 more sources
Modeling Long-Term Photometric Data of Trans-Neptunian Objects and Centaurs [PDF]
Frontiers in Astronomy and Space Sciences, 2022 Trans-Neptunian objects and Centaurs are small Solar System bodies that reside in the outer parts of the Solar System. These objects present photometric behaviors that are influenced due to a change in their aspect angle.
Estela Fernández-Valenzuela
doaj +2 more sources
The many flavours of photometric redshifts [PDF]
arXiv, 2018 For more that seventy years, the measurements of fluxes of galaxies at different wavelengths and derived colours have been used to estimate their corresponding cosmological distances. From the fields of galaxy and AGN evolution to precision cosmology, the number of scientific projects relying on such distance measurements, called photometric redshifts,
M. Salvato, O. Ilbert, B. Hoyle
arxiv +2 more sources
Accurate photometric redshifts for the CFHT Legacy Survey calibrated using the VIMOS VLT Deep Survey [PDF]
, 2006 We present photometric redshifts for an uniquely large and deep sample of 522286 objects with i'_{AB}
A. Bongiorno +97 more
core +6 more sources
A PHOTOMETRIC ADAPTATION OF THE SOMOGYI METHOD FOR THE DETERMINATION OF GLUCOSE
, 1944 Norton Nelson
openalex +2 more sources
BVRI CCD photometric standards in the field of GRB 990123 [PDF]
arXiv, 1999 The CCD magnitudes in Johnson $BV$ and Cousins $RI$ photometric passbands are determined for 18 stars in the field of GRB 990123. These measurements can be used in carrying out precise CCD photometry of the optical transient of GRB 990123 using differential photometric techniques during non--photometric sky conditions.
Mohan, V. +4 more
arxiv +2 more sources
Thermodynamic and structural studies of complexes of manganese(II), cobalt(II), nickel(II) and copper(II) with aminofuropyridine carboxamide [PDF]
Journal of the Serbian Chemical Society, 2003 Complexes of Mn(II), Co(II), Ni(II) and Cu(II) with 2-aminofuro[3,2-b]pyridine-3-carboxamide have been prepared. The stability constants of the formed complexes were determined at 20, 30, 40 and 50ºC at a fixed ionic strength, I = 0.1 mol dm-3 (KCl). The
M. G. ABD EL WAHED
doaj +3 more sources
Leveraging Photometric Consistency Over Time for Sparsely Supervised Hand-Object Reconstruction [PDF]
Computer Vision and Pattern Recognition, 2020 Modeling hand-object manipulations is essential for understanding how humans interact with their environment. While of practical importance, estimating the pose of hands and objects during interactions is challenging due to the large mutual occlusions ...
Yana Hasson +5 more
semanticscholar +1 more source
The Clustering of DESI-like Luminous Red Galaxies Using Photometric Redshifts [PDF]
Monthly notices of the Royal Astronomical Society, 2020 We present measurements of the redshift-dependent clustering of a DESI-like luminous red galaxy (LRG) sample selected from the Legacy Survey imaging dataset, and use the halo occupation distribution (HOD) framework to fit the clustering signal.
R. Zhou +13 more
semanticscholar +1 more source
Deep Photometric Stereo for Non-Lambertian Surfaces [PDF]
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2020 This paper addresses the problem of photometric stereo, in both calibrated and uncalibrated scenarios, for non-Lambertian surfaces based on deep learning.
Guanying Chen +4 more
semanticscholar +1 more source