objectType Environment

collection of measured quantities that characterise the environment at the time of observation

Members

name	type	mult	description
name	ivoa:real	optional	typical atmospheric distortion (full-width-half-max of a point source)
humidity	ivoa:real	optional	fractional relative humidity [0,1]
elevation	ivoa:real	optional	angular elevation above horizon [0,90]
tau	ivoa:real	optional	the opacity of the atmosphere [0,1]
wavelengthTau	ivoa:real	optional	wavelength at which opacity was measured
ambientTemp	ivoa:real	optional	ambient temperature at the telescope
photometric	ivoa:boolean	optional	indicator that flux and/or color calibration is stable

Containment

This is contained by Observation