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Color Transformations of Photometric Measurements of Galaxies in Optical and Near-Infrared Wide-Field Imaging Surveys
Victoria A. Toptun, Igor V. Chilingarian, Kirill A. Grishin +1
Over the past 2 decades, wide-field photometric surveys in optical and infrared domains reached a nearly all-sky coverage thanks to numerous observational facilities operating in b…
New Generation Stellar Spectral Libraries in the Optical and Near-Infrared I: The Recalibrated UVES-POP Library for Stellar Population Synthesis
Sviatoslav Borisov, Igor Chilingarian, Evgenii Rubtsov +8
We present re-processed flux calibrated spectra of 406 stars from the UVES-POP stellar library in the wavelength range 320-1025 nm, which can be used for stellar population synthes…
Non-parametric stellar LOSVD analysis
Damir Gasymov, Ivan Katkov
Ill-posed inverse problems are common in astronomy, and their solutions are unstable with respect to noise in the data. Solutions of such problems are typically found using two cla…
A new sky subtraction technique for low surface brightness data
Ivan Yu. Katkov, Igor V. Chilingarian
We present a new approach to the sky subtraction for long-slit spectra suitable for low-surface brightness objects based on the controlled reconstruction of the night sky spectrum…