Visit

Defines a single Visit.

Columns

name datatype description unit nullable ivoa:ucd tap:principal votable:arraysize votable:xtype length precision
decl double Deprecated duplicate of dec. deg true 0
midpoint timestamp Midpoint time of the visit at the fiducial center of the focal plane array. TAI, accurate to 10ms. true 0 * timestamp 6
midpointMjdTai double Midpoint time of the visit at the fiducial center of the focal plane array, expressed as Modified Julian Date, International Atomic Time, accurate to 10ms. d true 0
obsStartMjdTai double Start of the visit, expressed as Modified Julian Date, International Atomic Time, accurate to 10ms. true 0
visit long Unique identifier. true meta.id;obs.image 1
physical_filter char ID of physical filter, the filter associated with a particular instrument. true meta.id;instr.filter 0 * 32
band char Name of the band used to take the visit where this source was measured. Abstract filter that is not associated with a particular instrument. true meta.id;instr.bandpass 1 * 1
ra double Right Ascension of focal plane center. deg true 1
dec double Declination of focal plane center deg true 1
skyRotation double Sky rotation angle. deg true 1
azimuth double Azimuth of focal plane center at the middle of the visit. deg true 0
altitude double Altitude of focal plane center at the middle of the visit. deg true 0
zenithDistance double Zenith distance at the middle of the visit. deg true 0
airmass double Airmass of the observed line of sight. true 1
expTime double Spatially-averaged duration of visit, accurate to 10ms. s true 1
obsStart timestamp Start time of the visit at the fiducial center of the focal plane array, TAI, accurate to 10ms. true 0 * timestamp 6