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Type of publication: research article
Type of publication (PDB): Straipsnis Clarivate Analytics Web of Science / Article in Clarivate Analytics Web of Science (S1)
Field of Science: Astronomija / Astronomy (N008)
Author(s): Straižys, Vytautas;Lazauskaitė, Romualda
Title: Star classification possibilities with the Gaia spectrophotometers. III. The classification accuracy with decontaminated BP/RP spectra
Is part of: Baltic astronomy. , Vol. 20, iss. 2 (2011)
Extent: p. 109-123
Date: 2011
Keywords: Stars: fundamental parameters (classification, colors, spectral types, temperatures, gravities, luminosities);Space vehicles: Gaia
Abstract: A medium-band 12-color photometric system, based on the decontaminated Gaia BP/RP spectra, has been proposed in our Paper II. Here we analyze a possibility to apply some versions of this system for the determination of temperatures and gravities of stars both in the absence and the presence of interstellar reddening. The possibility to supplement this system with the broad BP and RP passbands is verified. We conclude that the system gives an acceptable accuracy of temperatures and luminosities if the accuracy of color indices is 0.02 mag or better and if the parallaxes of stars are known
Affiliation(s): Vilniaus universiteto Teorinės fizikos ir astronomijos institutas
Vytauto Didžiojo universitetas
Švietimo akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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