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Verification of Photometric Parallaxes with Gaia DR2 Data

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Institute of Astronomy of RAS, 119017 Moscow, Russia
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Institute of Physics, Czech Academy of Sciences, 182 21 Prague, Czech Republic
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Special Astrophysical Observatory of RAS, 36916 Nizhnij Arkhyz, Russia
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Laboratory “Fast Variable Processes in the Universe”, Kazan Federal University, 420008 Kazan, Russia
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South African Astronomical Observatory, P.O. Box 9, Cape Town 7935, South Africa
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Southern African Large Telescope Foundation, P.O. Box 9, Cape Town 7935, South Africa
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Sternberg Astronomical Institute, 119234 Moscow, Russia
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NAS RA V. Ambartsumian Byurakan Astrophysical Observatory, Byurakan 0213, Republic of Armenia
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Indian Institute of Astrophysics, Bengaluru 560 034, India
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Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
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Russian Technological University (MIREA), 119454 Moscow, Russia
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Author to whom correspondence should be addressed.
Galaxies 2019, 7(1), 7; https://doi.org/10.3390/galaxies7010007
Received: 7 November 2018 / Revised: 24 December 2018 / Accepted: 25 December 2018 / Published: 29 December 2018
Results of comparison of Gaia DR2 parallaxes with data derived from a combined analysis of 2MASS (Two Micron All-Sky Survey), SDSS (Sloan Digital Sky Survey), GALEX (Galaxy Evolution Explorer), and UKIDSS (UKIRT Infrared Deep Sky Survey) surveys in four selected high-latitude | b | > 48° sky areas are presented. It is shown that multicolor photometric data from large modern surveys can be used for parameterization of stars closer than 4400 pc and brighter than g S D S S = 19 . m 6 , including estimation of parallax and interstellar extinction value. However, the stellar luminosity class should be properly determined. View Full-Text
Keywords: parallax; photometry; interstellar extinction; surveys; Gaia parallax; photometry; interstellar extinction; surveys; Gaia
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Malkov, O.; Karpov, S.; Kovaleva, D.; Sichevsky, S.; Chulkov, D.; Dluzhnevskaya, O.; Kniazev, A.; Mickaelian, A.; Mironov, A.; Murthy, J.; Sytov, A.; Zhao, G.; Zhukov, A. Verification of Photometric Parallaxes with Gaia DR2 Data. Galaxies 2019, 7, 7.

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