Debug auxtel

config/auxtel.ini

@@ -13,6 +13,8 @@ SPECTRACTOR_COMPUTE_ROTATION_ANGLE = disperser
 SPECTRACTOR_DECONVOLUTION_PSF2D = False
 # deconvolve spectrogram with full forward model: False, True
 SPECTRACTOR_DECONVOLUTION_FFM = True
+# value of sigma clip parameter for the spectractor deconvolution process PSF2D and FFM
+SPECTRACTOR_DECONVOLUTION_SIGMA_CLIP = 100
 
 [instrument]
 # instrument name
@@ -39,7 +41,7 @@ OBS_QUANTUM_EFFICIENCY = calexp_2020031500162-EMPTY_ronchi90lpmm-det000_auxtel_t
 OBS_CAMERA_ROTATION = 0
 # Camera (x,y) flip signs with respect to (north-up, east-left) system
 OBS_CAMERA_DEC_FLIP_SIGN = 1
-OBS_CAMERA_RA_FLIP_SIGN = -1
+OBS_CAMERA_RA_FLIP_SIGN = 1
 
 [CCD]
 # size of the image in pixel  # MFL: this number is wrong, and the CCD is not square

config/default.ini

@@ -13,6 +13,8 @@ SPECTRACTOR_COMPUTE_ROTATION_ANGLE = hessian
 SPECTRACTOR_DECONVOLUTION_PSF2D = True
 # deconvolve spectrogram with full forward model: False, True
 SPECTRACTOR_DECONVOLUTION_FFM = True
+# value of sigma clip parameter for the spectractor deconvolution process PSF2D and FFM
+SPECTRACTOR_DECONVOLUTION_SIGMA_CLIP = 20
 
 [instrument]
 # instrument name

spectractor/extractor/chromaticpsf.py

@@ -1142,7 +1142,8 @@ def fit_chromatic_psf(self, data, bgd_model_func=None, data_errors=None, mode="1
             w.set_mask(poly_params=w.poly_params)
             # precise fit with sigma clipping
             run_minimisation_sigma_clipping(w, method="newton", ftol=1 / (w.Nx * w.Ny), xtol=1e-6, niter=50,
-                                            fix=w.fixed, sigma_clip=20, niter_clip=3, verbose=verbose)
+                                            fix=w.fixed, sigma_clip=parameters.SPECTRACTOR_DECONVOLUTION_SIGMA_CLIP,
+                                            niter_clip=3, verbose=verbose)
         else:
             raise ValueError(f"Unknown fitting mode={mode}. Must be '1D' or '2D'.")
 

spectractor/extractor/dispersers/holo4_003/NOTES

@@ -0,0 +1,2 @@
+- transmission.txt : measurements from LPNHE optical test bench using holo-4-003-diffraction-efficiencies-merged.npy
+- ratio_order_2over1.txt : chimera with LPNHE opticl test bench measurements between 430 and 1000nm, then extrapolating with an hologram efficiency model fitted on data

spectractor/extractor/extractor.py

@@ -699,7 +699,8 @@ def run_ffm_minimisation(w, method="newton", niter=2):
         for i in range(niter):
             w.set_mask(psf_poly_params=w.p[w.psf_params_start_index:])
             run_minimisation_sigma_clipping(w, "newton", epsilon, w.fixed, xtol=1e-5,
-                                            ftol=1 / w.data.size, sigma_clip=20, niter_clip=3)
+                                            ftol=1 / w.data.size, niter_clip=3,
+                                            sigma_clip=parameters.SPECTRACTOR_DECONVOLUTION_SIGMA_CLIP)
             my_logger.info(f"\n\tNewton: total computation time: {time.time() - start}s")
 
             if parameters.DEBUG:

spectractor/extractor/images.py

@@ -704,7 +704,7 @@ def load_AUXTEL_image(image):  # pragma: no cover
         image.humidity = 40
     if 'adu' in image.header['BUNIT']:
         image.units = 'ADU'
-    parameters.OBS_CAMERA_ROTATION = 90 - float(image.header["ROTPA"])
+    parameters.OBS_CAMERA_ROTATION = 270 - float(image.header["ROTPA"])
     if parameters.OBS_CAMERA_ROTATION > 360:
         parameters.OBS_CAMERA_ROTATION -= 360
     if parameters.OBS_CAMERA_ROTATION < -360:

spectractor/parameters.py

@@ -38,6 +38,7 @@ def __getattr__(name):
 SPECTRACTOR_COMPUTE_ROTATION_ANGLE = "hessian"  # method to get image rotation angle: False, disperser, hessian
 SPECTRACTOR_DECONVOLUTION_PSF2D = True  # deconvolve spectrogram with simple 2D PSF analysis: False, True
 SPECTRACTOR_DECONVOLUTION_FFM = True  # deconvolve spectrogram with full forward model: False, True
+SPECTRACTOR_DECONVOLUTION_SIGMA_CLIP = 20  # value of sigma clip parameter for the spectractor deconvolution process PSF2D and FFM
 
 # Paths
 mypath = os.path.dirname(__file__)