Package pylal :: Module antenna

Module antenna

This module provides functions to calculate antenna factors for a given time, a given sky location and a given detector

Author: Alexander Dietz <Alexander.Dietz@astro.cf.ac.uk>

Functions

response(gpsTime, rightAscension, declination, inclination, polarization, unit, detector)
Calculates the antenna factors for a detector 'detector' (e.g.

source code

timeDelay(gpsTime, rightAscension, declination, unit, det1, det2)
Calculates the time delay in seconds between the detectors 'det1' and 'det2' (e.g.

source code

Function Details

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response(gpsTime, rightAscension, declination, inclination, polarization, unit, detector)

source code

Calculates the antenna factors for a detector 'detector' (e.g. 'H1') at a given gps time (as integer) for a given sky location (rightAscension, declination) in some unit (degree/radians). This computation also takes into account a specific inclination and polarization.

The returned values are: (f-plus, f-cross, f-average, q-value).

Example: antenna.response( 854378604.780, 11.089, 42.308, 0, 0, 'radians', 'H1' )

timeDelay(gpsTime, rightAscension, declination, unit, det1, det2)

source code

Calculates the time delay in seconds between the detectors 'det1' and 'det2' (e.g. 'H1') for a sky location at (rightAscension and declination) which must be given in certain units ('radians' or 'degree'). The time is passes as GPS time. A positive time delay means the GW arrives first at 'det2', then at 'det1'.

Example: antenna.timeDelay( 877320548.000, 355.084,31.757, 'degree','H1','L1') 0.0011604683260994519

Given these values, the signal arrives first at detector L1, and 1.16 ms later at H2