Comparison of stellar parameters derived by SSPP with methods without photometry

Bing Du*, A-Li Luo and Jiannan Zhang
National Astronomical Observatories, Chinese Academy of Science, A20 Datun Road, Beijing, China

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Abstract

Most methods of SSPP estimate stellar parameters based on ugriz photometry. But for LAMOST data without photometry, the stellar parameter estimation is very restricted. The tests of performances of SSPP without photometry are presented by using two external data sets, one is Cross-correlated between SDSS DR7 star and LAMOST star and another is sdss dr7 sample.

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Keywords : SSPP: photometry – stellar parameters