Calibration and Standards
| UTILITIES | |
| Astronomical Utilities | Utilities for finding nearby stars and target rise and set times; temperatures and colours of normal stars; conversions between magnitudes and flux; Mauna Kea atmospheric extinction, transmission, and sky brightness values measured at UKIRT. |
| CALIBRATIONS | |
| Spectroscopic Calibration | Linelists and spectroscopic standards. |
| Photometric Calibration | Standard star lists and magnitudes; photometric systems, camera zeropoints and observed extinction; a guide to GAIA aperture photometry. |
| Polarimetry Standards | Polarised and unpolarised standard stars. |