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Xiao, Kai; Yuan, Haibo; López-Sanjuan, C.; Huang, Yang; Huang, Bowen; Beers, Timothy C.; Xu, Shuai; Wang, Yuanchang; Yang, Lin; Alcaniz, Jailson; Galarza, Carlos Andrés; Angulo De La Fuente, Raul E.; Cenarro, A. J.; Cristóbal-Hornillos, David; Dupke, Renato A.; Ederoclite, Alessandro; Hernández-Monteagudo, Carlos; Marín-Franch, Antonio; Moles, Mariano; Sodré, Laerte; Vázquez Ramió, Héctor; Varela López, Jesús
The Astrophysical journal. Supplement series, 12/2023, Letnik: 269, Številka: 2Journal Article
Abstract We employ the corrected Gaia Early Data Release 3 photometric data and spectroscopic data from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) DR7 to assemble a sample of approximately 0.25 million FGK dwarf photometric standard stars for the 12 J-PLUS filters using the stellar color regression (SCR) method. We then independently validate the J-PLUS DR3 photometry and uncover significant systematic errors: up to 15 mmag in the results from the stellar locus method and up to 10 mmag primarily caused by magnitude-, color-, and extinction-dependent errors of the Gaia XP spectra as revealed by the Gaia BP/RP (XP) synthetic photometry (XPSP) method. We have also further developed the XPSP method using the corrected Gaia XP spectra by B. Huang et al. and applied it to the J-PLUS DR3 photometry. This resulted in an agreement of 1–5 mmag with the SCR method and a twofold improvement in the J-PLUS zero-point precision. Finally, the zero-point calibration for around 91% of the tiles within the LAMOST observation footprint is determined through the SCR method, with the remaining approximately 9% of the tiles outside this footprint relying on the improved XPSP method. The recalibrated J-PLUS DR3 photometric data establish a solid data foundation for conducting research that depends on high-precision photometric calibration.
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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