CALPRIMARYBEAM Primary beam calibration results

Name

Format

Units

Measure

Comments

Columns

Key

CAL_DATA_ID

Int Calibration data identifier

CAL_REDUCTION_ID

Int Calibration reduction identifier

ANTENNA_ID

Int Antenna identifier

FEED_ID

Int Feed identifier2

FREQUENCY_RANGE

Double(2) Hz FREQUENCY Frequency range used to determine the result

Data description

NUM_X

Int Number of X pixels Nx

NUM_Y

Int Number of Y pixels Ny

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

REF_X

Double rad Reference pixel for X

INC_X

Double rad Step size in X

VAL_X

Double X value at Reference pixel

REF_Y

Double rad Reference pixel for Y

INC_Y

Double rad Step size in Y

VAL_Y

Double Y value at Reference pixel

AMPLITUDE

Double( Nx, Ny) amplitude gain

PHASE

Double( Nx, Ny) rad phase gain

FREQUENCY

Double Hz FREQUENCY frequency for which the measurement is valid

Notes: This table contains the result of measuring the antenna primary beam
CAL_DATA_ID
Calibration data identifier
CAL_REDUCTION_ID
Calibration reduction identifier
ANTENNA_ID
Antenna identifier
FEED_ID
Feed identifier (associated to antenna 1 and to antenna 2)
FREQUENCY_RANGE
Frequency range used to determine the result. Note that the list of spectral windows corresponding to this frequency range must correspond to a single receiver band, this band being known via RECEIVER_ID which is (are) in the data section of the FEED table.
NUM_X
Number of X pixels Nx
NUM_Y
Number of Y pixels Ny
START_VALID_TIME
Start time of result validity period
END_VALID_TIME
End time of result validity period
REF_X
Reference pixel for X
INC_X
Step size in X
VAL_X
X value at Reference pixel
REF_Y
Reference pixel for Y
INC_Y
Step size in Y
VAL_Y
Y value at Reference pixel
AMPLITUDE
Amplitude gain
PHASE
Phase gain
FREQUENCY
Frequency for which the measurement is valid