Title: Scalable Stellar Parameter Inference Using Python-Based LASP: From CPU Optimization to GPU Acceleration Authors: Liang et al. Content: Description of file: PyLASP_DESI_DR1.fits =========================================================================================================================================== Description of file: PyLASP_DESI_DR1.fits ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Field Class Description ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- address String DESI DR1 field identifier composed of SURVEY + PROGRAM + HPIXGROUP + HEALPIX + TARGETID + ".fits". TARGET_RA (deg) Double Target right ascension. TARGET_DEC (deg) Double Target declination. SN_B Float Median S/N in the B arm. LASP_Adam_Clean_RV (km/s) Double Radial velocity inferred by LASP-Adam-GPU using Clean strategy. LASP_Adam_Clean_Teff (K) Double Effective temperature inferred by LASP-Adam-GPU using Clean strategy. LASP_Adam_Clean_log g (dex) Double Surface gravity inferred by LASP-Adam-GPU using Clean strategy. LASP_Adam_Clean_[Fe/H] (dex) Double Metallicity inferred by LASP-Adam-GPU using Clean strategy. LASP_Adam_Clean_RV_err (km/s) Double Uncertainty in radial velocity from LASP-Adam-GPU Clean strategy. LASP_Adam_Clean_Teff_err (K) Double Uncertainty in effective temperature from LASP-Adam-GPU Clean strategy. LASP_Adam_Clean_log g_err (dex) Double Uncertainty in surface gravity from LASP-Adam-GPU Clean strategy. LASP_Adam_Clean_[Fe/H]_err (dex) Double Uncertainty in metallicity from LASP-Adam-GPU Clean strategy. LASP_Adam_NoClean_RV (km/s) Double Radial velocity inferred by LASP-Adam-GPU using NoClean strategy. LASP_Adam_NoClean_Teff (K) Double Effective temperature inferred by LASP-Adam-GPU using NoClean strategy. LASP_Adam_NoClean_log g (dex) Double Surface gravity inferred by LASP-Adam-GPU using NoClean strategy. LASP_Adam_NoClean_[Fe/H] (dex) Double Metallicity inferred by LASP-Adam-GPU using NoClean strategy. LASP_Adam_NoClean_RV_err (km/s) Double Uncertainty in radial velocity from LASP-Adam-GPU NoClean strategy. LASP_Adam_NoClean_Teff_err (K) Double Uncertainty in effective temperature from LASP-Adam-GPU NoClean strategy. LASP_Adam_NoClean_log g_err (dex) Double Uncertainty in surface gravity from LASP-Adam-GPU NoClean strategy. LASP_Adam_NoClean_[Fe/H]_err (dex) Double Uncertainty in metallicity from LASP-Adam-GPU NoClean strategy. LASP_CurveFit_Clean_RV (km/s) Double Radial velocity inferred by LASP-CurveFit using Clean strategy. LASP_CurveFit_Clean_Teff (K) Double Effective temperature inferred by LASP-CurveFit using Clean strategy. LASP_CurveFit_Clean_log g (dex) Double Surface gravity inferred by LASP-CurveFit using Clean strategy. LASP_CurveFit_Clean_[Fe/H] (dex) Double Metallicity inferred by LASP-CurveFit using Clean strategy. LASP_CurveFit_Clean_RV_err (km/s) Double Uncertainty in radial velocity from LASP-CurveFit Clean strategy. LASP_CurveFit_Clean_Teff_err (K) Double Uncertainty in effective temperature from LASP-CurveFit Clean strategy. LASP_CurveFit_Clean_log g_err (dex) Double Uncertainty in surface gravity from LASP-CurveFit Clean strategy. LASP_CurveFit_Clean_[Fe/H]_err (dex) Double Uncertainty in metallicity from LASP-CurveFit Clean strategy. LASP_CurveFit_NoClean_RV (km/s) Double Radial velocity inferred by LASP-CurveFit using NoClean strategy. LASP_CurveFit_NoClean_Teff (K) Double Effective temperature inferred by LASP-CurveFit using NoClean strategy. LASP_CurveFit_NoClean_log g (dex) Double Surface gravity inferred by LASP-CurveFit using NoClean strategy. LASP_CurveFit_NoClean_[Fe/H] (dex) Double Metallicity inferred by LASP-CurveFit using NoClean strategy. LASP_CurveFit_NoClean_RV_err (km/s) Double Uncertainty in radial velocity from LASP-CurveFit NoClean strategy. LASP_CurveFit_NoClean_Teff_err (K) Double Uncertainty in effective temperature from LASP-CurveFit NoClean strategy. LASP_CurveFit_NoClean_log g_err (dex) Double Uncertainty in surface gravity from LASP-CurveFit NoClean strategy. LASP_CurveFit_NoClean_[Fe/H]_err (dex) Double Uncertainty in metallicity from LASP-CurveFit NoClean strategy. ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Notes: [1] This catalog contains stellar parameters derived using the Python-based LASP (PyLASP) with both LASP-CurveFit and LASP-Adam-GPU. [2] Two strategies are provided: "Clean" and "NoClean", each implemented with both Adam and CurveFit. [3] All parameters include associated uncertainties representing the internal errors in the inferred stellar atmospheric parameters. [4] The address field provides a unique identifier linking each spectrum to the DESI DR1 survey structure. ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------