vis_psf_image

xrayvision.imaging.vis_psf_image(vis, *, shape=<Quantity [65., 65.] pix>, pixel_size=<Quantity 2. arcsec>, natural=True)

Create the point spread function for given u, v point of the visibilities.

Parameters:

• vis (xrayvision.visibility.Visibility) – Input visibilities

• shape (astropy.units.quantity.Quantity, optional) – Shape of the image, if only one value is given assume square (repeating the value).

• pixel_size (astropy.units.quantity.Quantity, optional) – Size of pixels, if only one value is given assume square pixels (repeating the value).

• natural (boolean optional) – Weight scheme use natural by default, uniform if False

Returns:

astropy.units.quantity.Quantity – Point spread function