j0751: likelihood can take centerxy

resolve/likelihood.py

@@ -42,6 +42,8 @@ def ImagingLikelihood(
     calibration_field=None,
     verbosity=0,
     nthreads=1,
+    center_x=0,
+    center_y=0,
 ):
     """Versatile likelihood class.
 
@@ -123,6 +125,8 @@ def ImagingLikelihood(
             epsilon=epsilon,
             verbosity=verbosity,
             nthreads=nthreads,
+            center_x=center_x,
+            center_y=center_y,
         ).ducktape(internal_sky_key)
         if cop is not None:
             from .dtype_converter import DtypeConverter

resolve/mosaicing/sky_beamer.py

@@ -142,6 +142,7 @@ def build_sky_beamer(
     ):
 
         direction = oo.direction_from_key(direction_key)
+        # FIXME : PHASE CENTER AND SKY FRAME MUST NOT NECESSARILY be the same.
         o_phase_center = SkyCoord(direction.phase_center[0]*u.rad,
                                   direction.phase_center[1]*u.rad,
                                   frame=sky_center.frame)