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	"version": "1.0 - draft",
	"release_date": "20210609",
	"descr": "Example version of the calibration package",
	"author": "",
	"DOI": "",
	"validity_range":
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		"end": "2021-04-30"
	},
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			"value": 695700000.0,
			"units": "m",
			"source": "Value from the IAU 2015 resolution B3 (http://dx.doi.org/10.3847/0004-6256/152/2/41)",
			"descr": "Solar radius"
		},
		"au":
		{
			"value": 149597870700.0,
			"units": "m",
			"source": "Value from the IAU 2015 resolution B3 (http://dx.doi.org/10.3847/0004-6256/152/2/41)",
			"descr": "Astronomical Unit"
		}
	},
	"instrument":
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			"error": 0.0,
			"units": "cm2",
			"source": "",
			"descr": "",
			"validity": "False"
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				"date": "2017-04-20",
				"delta": [-10, 120],
				"units": "steps",
				"label": "INT",
				"source": "METIS-OATO-RPT-XXX Issue XXX (Metis VL Straylight Calibration)",
				"descr": "",
				"validity": "False"
			},
			{
				"date": "2020-05-15",
				"delta": [-30, 10],
				"units": "steps",
				"label": "IT6B1",
				"source": "METIS-OATO-RPT-XXX Issue XXX (Metis IT-6 Report)",
				"descr": "",
				"validity": "False"
			},
			{
				"date": "2020-06-03",
				"delta": [0, -10],
				"units": "steps",
				"label": "IT6B2",
				"source": "METIS-OATO-RPT-XXX Issue XXX (Metis IT-6 Report)",
				"descr": "",
				"validity": "False"
			}
		]
	},
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		"name": "Visible light 580-640 nm",
		"detector_size":
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			"units": "pixel"
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		"bandpass":
		{
			"value": [580.0, 610.0, 640.0],
			"units": "nm",
			"source": "METIS-ATI-TNO-011 Issue 3 (Metis Optical Design and Performance Report)",
			"descr": "Metis VL channel bandpass",
			"validity": "True"
		},
		"angular_pixel":
		{
			"value": 2.42E-9,
			"error": 0.0,
			"units": "sr",
			"source": "METIS-OATO-RPT-023_Metis VL vignetting & Radiometry_v1.0_draft.1 (19.07.30).docx",
			"descr": "Pixel solid angle",
			"validity": "False"
		},
		"cal_units": "MSB",
		"sat_level":
		{
			"value": [0, 1468, 13813,16383],
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			"units": "DN",
			"source": "https://redmine.ict.inaf.it/projects/478/wiki/VL_Saturation_and_Quality_Levels",
			"descr": "Vector describing the dynamic range of the VL detector response",
			"validity": "True"
		},
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				"file_name": "solo_CAL_metis-vl-bias_20201115_V01.fits",
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				"descr": "Bias map to be used for STP122",
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			},
			{
				"file_name": "solo_CAL_metis-vl-bias_20210114_V01.fits",
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				"source": "",
				"descr": "Bias map to be used for STP130",
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			},
			{
				"file_name": "solo_CAL_metis-vl-bias_20210224_V01.fits",
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				"source": "",
				"descr": "Bias map to be used for STP134-135-136",
				"validity": "True"
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			{
				"file_name": "solo_CAL_metis-vl-bias_20210321_V01.fits",
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				"source": "",
				"descr": "Bias map to be used for STP139",
				"validity": "True"
			},
			{
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				"source": "",
				"descr": "Bias map to be used for STP144-145",
				"validity": "True"
			}
		],
		"dark":
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			{
				"file_name": "map_dark_it1_dark30_dark15.fits",
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				"tsensor": 21.6,
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				"error": "",
				"source" : "",
				"descr": "Dark image for hot case",
				"validity": "True"
			},
			{
				"file_name": "map_dark_it2_fit_wr.fits",
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				"tsensor": -31.5,
				"nbin": 1,
				"dit": 1,
				"error": "map_dark_error_it2_fit_wr.fits",
				"source" : "",
				"descr": "Dark image for cold case",
				"validity": "True"
			}
		],
		"bias_dark":
		[
			{
				"file_name": "vlda_it-3_dit-5000_nframes-48.fits",
				"obt_beg": 637419.16,
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				"descr": "Bias+dark map to be used for RSCW1 and previous IT activities",
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		],
		"flat_field":
		{
			"date": "2016-09-21",
			"file_name": "flat_vlda_JP_15MHZ_MPS.fits",
			"source" : "METIS-MPS-AT-03b-PFM-RP0005-01-01 - VLDA PFM Characterization Report 20160921",
			"descr": "",
			"validity": "True"
		},
		"radiometry":
		[
			{
				"date": "2017-05-01",
				"rad_response":
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					"units": "DN/ph",
					"source" : "METIS-OATO-RPT-023_Metis VL vignetting & Radiometry_v1.0_draft.1 (19.07.30).docx",
					"descr": "First value obtained from ground calibration",
					"validity": "False"
				},
				"msb" :
				{
					"value": 4.67E+20,
					"error": 0.0,
					"units": "ph/cm2/s/sr/MSB",
					"source": "Private communication by Y. De Leo and M. Romoli.",
					"descr": "",
					"validity": "False"
				},
				"gain":
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					"value": 0.1162,
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					"units": "DN/e-",
					"source" : "METIS-MPS-AT-03b-PFM-RP0005-01-01 - VLDA PFM Characterization Report 20160921 pag. 108",
					"descr": "",
					"validity": "True"
				},
				"qe":
				{
					"value": 0.55,
					"error": 0.0,
					"units": "e-/ph",
					"source" : "METIS-MPS-AT-03b-PFM-RP0005-01-01 - VLDA PFM Characterization Report 20160921 pag. 108",
					"descr": "",
					"validity": "True"
				},
				"opt_efficiency":
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					"value": 0.237,
					"error": 0.0,
					"units": "ph/ph",
					"source" : "METIS-OATO-RPT-023 Metis VL vignetting & Radiometry v1.0_draft.1 (19.07.30)",
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					"validity": "False"
				}
			}
		],
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		{
			"date": "2020-05-15",
			"file_name": "VF.fits",
			"descr": "Vignetting function adapted after Metis IO coarse adjustment performed during IT-6B1 commissioning activity",
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			"validity": "True"
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				"file_name": "demod/11.fits",
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				"date": "",
				"file_name": "demod/23.fits",
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			{
				"date": "",
				"file_name": "demod/31.fits",
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			{
				"date": "",
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				"date": "",
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		],
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		{
			"dacpol" : [
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			"descr": "Calibration curve from PMP voltages to angles",
			"source": "Metis User Manual",
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		},
		"boresight":
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			{
				"date": "2020-02-10",
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				"borpix2":
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				"plate_scale":
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					"units": "arcsec",
					"descr": "Sensor plate scale [arcsec/px]"
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				"delta_roll":
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				"validity": "True"
			}
		],
		"bad_pixel_map":
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		"angular_pixel":
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				"descr": "Dark map to be used for STP135-136",
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				"source": "",
				"descr": "",
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