The Stellar Abundances and Galactic Evolution Survey:Photonic Passbands and Extinction Coefficients for the u and v Bands
The Stellar Abundances and Galactic Evolution Survey: Photonic Passbands and Extinction Coefficients for the u and v Bands作者机构:CAS Key Laboratory of Optical AstronomyNational Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China School of Astronomy and Space ScienceUniversity of Chinese Academy of SciencesBeijing 10049China Chinese Academy of Sciences South America Center for AstronomyNational Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China Department of AstronomyBeijing Normal UniversityBeijing 100875China China Science and Technology MuseumBeijing 100101China
出 版 物:《Research in Astronomy and Astrophysics》 (天文和天体物理学研究(英文版))
年 卷 期:2022年第22卷第10期
页 面:39-48页
核心收录:
学科分类:07[理学] 070401[理学-天体物理] 0704[理学-天文学]
基 金:supported by the National Natural Science Foundation of China(NSFC,Grant Nos.11988101,12090044,12090040,11673030,42075123 and 62127901) the National Key R&D Program of China under grant No.2019YFA0405502
主 题:stars general-(ISM:)dust-extinction-techniques photometric
摘 要:The Stellar Abundances and Galactic Evolution Survey(SAGES)is a multi-band photometric survey focused on estimation of stellar atmospheric parameters and interstellar *** this paper we have derived photonic passbands for the intermediate-band u and v filters of the SAGES photometric *** derived photonic passbands have been compared with those of the u and v filters of the Stromgren and SkyMapper *** photometry based on the derived photonic passbands could reproduce the observations very *** have also derived observed,model-free extinction coefficients for the SAGES u and v bands(as well as the Pan-STARRS grizy bands)using the“standard pair*** derived reddening coefficients have been compared with those predicted by the extinction *** of reddening coefficients with effective temperatures and color excesses of B–V given by Schlegel et al.(E(B-V)_(SFD))have been *** obvious trends or significant variations with effective temperatures have been found,but reddening coefficients for all the colors exhibit declining trends with increasing E(B-V)_(SFD),with typical relative variations of twenty-some percent from E(B-V)_(SFD)~0 to 1.