Recently the Large Sky Area Multi-Object Fiber Spectroscopic Telescope ( LAMOST ) published its first data release ( DR1 ) , which is ranked as the largest stellar spectra dataset in the world so far .
We combine the PASTEL catalog and SIMBAD radial velocities as a testing standard to validate the DR1 stellar parameters ( effective temperature T _ { \mathrm { eff } } , surface gravity \log g , metallicity \mathrm { [ Fe / H ] } and radial velocity V _ { \mathrm { r } } ) .
Through cross-identification of the DR1 catalogs and the PASTEL catalog , we obtain a preliminary sample of 422 stars .
After removal of stellar parameter measurements from problematic spectra and applying effective temperature constraints to the sample , we compare the stellar parameters from DR1 with those from PASTEL and SIMBAD to prove that the DR1 results are reliable in restricted T _ { \mathrm { eff } } ranges .
We derive standard deviations of 110 K , 0.19 dex , 0.11 dex and 4.91 \mathrm { km s ^ { -1 } } , for T _ { \mathrm { eff } } , \log g , [ \mathrm { Fe / H } ] when T _ { \mathrm { eff } } < 8000 \mathrm { K } , and for V _ { \mathrm { r } } when T _ { \mathrm { eff } } < 10000 \mathrm { K } , respectively .
Systematic errors are negligible except for that of V _ { \mathrm { r } } .
Besides , metallicities in DR1 are systematically higher than those in PASTEL , in the range of PASTEL [ \mathrm { Fe / H } ] < -1.5 .