CALSEEING Seeing calibration results

Name

Format

Units

Measure

Comments

Columns

Key

CAL_DATA_ID

Int Calibration data identifier

CAL_REDUCTION_ID

Int Calibration reduction identifier

Data description

NUM_BASE_LENGTH

Int Number of baselengths Nbasept points sampling the function

Data

START_VALID_TIME

Double s EPOCH Start time of result validity period

END_VALID_TIME

Double s EPOCH End time of result validity period

BASELENGTH

Float( Nbasept) m baseline length points

PHASERMS

Float( Nbasept) rad RMS Phase Fluctuations

SEEING

Float Seeing parameter, deduced for the LO1 freq.

SEEING_FREQUENCY

Double Hz FREQUENCY Frequency of seeing evaluation band

SEEING_BANDWIDTH

Double Hz FREQUENCY Bandwidth of seeing evaluation band

EXPONENT

Float Exponent of spatial structure function


Notes: This table contains the result of computing the atmosphere’s statistical properties from a series of scans
CAL_DATA_ID
Calibration data identifier
CAL_REDUCTION_ID
Calibration reduction identifier
NUM_BASE_LENGTH
Number of baseline length points
START_VALID_TIME
Start time of result validity period
END_VALID_TIME
End time of result validity period
BASELENGTH
List of baseline lengths
PHASERMS
Corresponding rms path length fluctuations at these baseline lengths
SEEING
Seeing angle
SEEING_FREQUENCY
Frequency for which this seeing is evaluated
SEEING_BANDWIDTH
Frequency bandwidth of seeing evaluation band
EXPONENT
Exponent of the spatial structure function