punchbowl.data.units#

Attributes#

Functions#

`calculate_image_pixel_area`(→ astropy.units.sr)	Calculate the sky area of every pixel in an image according to its WCS.
`msb_to_dn`(→ numpy.ndarray)	Convert mean solar brightness to DNs.
`dn_to_msb`(→ numpy.ndarray)	Convert DN to mean solar brightness.

Module Contents#

punchbowl.data.units.MSB#

punchbowl.data.units.calculate_image_pixel_area(wcs: astropy.wcs.WCS, data_shape: tuple[int, int]) → astropy.units.sr#: Calculate the sky area of every pixel in an image according to its WCS.

punchbowl.data.units.msb_to_dn(data: numpy.ndarray, data_wcs: astropy.wcs.WCS, gain: float = 4.9 * u.photon / u.DN, wavelength: float = 530.0 * u.nm, exposure: float = 49 * u.s, aperture: float = 49.57 * u.mm**2) → numpy.ndarray#: Convert mean solar brightness to DNs.

punchbowl.data.units.dn_to_msb(data: numpy.ndarray, data_wcs: astropy.wcs.WCS, gain: float = 4.9 * u.photon / u.DN, wavelength: float = 530.0 * u.nm, exposure: float = 49 * u.s, aperture: float = 34 * u.mm**2) → numpy.ndarray#: Convert DN to mean solar brightness.