"""Predefined source model dictionaries for calibration and peeling.
Contains TTCal-compatible source model definitions for:
- RFI sources (power lines)
- Cygnus A (resolved, two-component Gaussian)
- Cassiopeia A (resolved Gaussian)
These models are used by the peeling and calibration transforms.
"""
[docs]
RFI_B = {
"name": "Noise Power Lines2",
"sys": "WGS84",
"long": -118.3852914162684,
"lat": 37.3078474772316,
"el": 1214.248326037079,
"rfi-frequencies": [2.60e7, 2.87e7, 3.13e7, 3.39e7, 3.65e7, 3.91e7, 4.18e7, 4.44e7, 4.70e7, 4.96e7,
5.22e7, 5.48e7, 5.75e7, 6.00e7, 6.27e7, 6.53e7, 6.79e7, 7.05e7, 7.32e7, 7.58e7,
7.84e7, 8.10e7],
"rfi-I": [5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0, 5.0,
5.0, 5.0, 5.0]
}
[docs]
CYG_A_UNPOLARIZED_RESOLVED = {
"ref": "Michael (2016-07-30T10:52:45)",
"name": "Cyg A",
"components": [
{
"name": "1",
"ra": "19h59m29.990s",
"dec": "+40d43m57.53s",
"I": 43170.55527073293,
"Q": 0.0,
"U": 0.0,
"V": 0.0,
"freq": 1.0e6,
"index": [0.085, -0.178],
"major-fwhm": 127.86780196141683,
"minor-fwhm": 22.459884076169928,
"position-angle": -74.50271323639498
},
{
"name": "2",
"ra": "19h59m24.316s",
"dec": "+40d44m50.70s",
"I": 6374.4647292670625,
"Q": 0.0,
"U": 0.0,
"V": 0.0,
"freq": 1.0e6,
"index": [0.085, -0.178],
"major-fwhm": 183.42701763410113,
"minor-fwhm": 141.44188315233822,
"position-angle": 43.449049376516
}
]
}
[docs]
CAS_A_UNPOLARIZED_RESOLVED = {
"name": "Cas A",
"components": [
{
"Q": 0.0,
"minor-fwhm": 84.1,
"V": 0.0,
"major-fwhm": 208.89999999999998,
"name": "1",
"ra": "23h23m12.780s",
"freq": 1.0e6,
"index": [-0.77],
"I": 205291.01635813876,
"dec": "+58d50m41.00s",
"U": 0.0,
"position-angle": 38.9
},
{
"Q": 0.0,
"minor-fwhm": 121.9,
"V": 0.0,
"major-fwhm": 230.89999999999998,
"name": "2",
"ra": "23h23m28.090s",
"freq": 1.0e6,
"index": [-0.77],
"I": 191558.43164385832,
"dec": "+58d49m18.10s",
"U": 0.0,
"position-angle": 43.8
},
{
"Q": 0.0,
"minor-fwhm": 63.4649,
"V": 0.0,
"major-fwhm": 173.26,
"name": "3",
"ra": "23h23m20.880s",
"freq": 1.0e6,
"index": [-0.77],
"I": 159054.81199800296,
"dec": "+58d50m49.92s",
"U": 0.0,
"position-angle": 121.902
}
]
}