Header Value Key Word Format Type Unit Comment --------+---------+-------+------+--------------------------------------------- B_SPECID %s string Spectrograph ID (SPEC1/SPEC2) B_SPEMOD %s string Spectrograph mode (LOW/HIGH1/HIGH2/HIGH3/HIGH4) B_SPETMP %s string Spectrograph temperature (K) B_SPEGID %s string Grating ID name B_SPEMID %s string OH suppression mask ID name B_SPEVID %s string VPH grating ID name B_SLTPDX %s string Slit unit X position (mm) B_SLTPDY %s string Slit unit Y position (mm) B_SLTPDZ %s string Slit unit Z position (mm) B_GRTPOS %f float degree Grating unit tilt (degree) B_MSKPDZ %f float mm Mask unit Z position (mm) B_SPEVST %s string VPH grating status (IN/OUT) B_CAMTMP %s string Camera system temperature (K) B_DETPDZ %s string Detector focus position (mm) B_DETPDA %s string Detector tilt angle (degree) B_DETTMP %s string Detector temperature (K) B_SEEING %f float arcsec Seeing size measured with Echidna Fibre AG (arcsec) B_SEERMS %f float arcsec Seeing size variation RMS measured with Echidna B_AGERR %f float arcsec Guide err RMS measured with Echidna Fibre AG (arcsec)