drpangloss.savefits

Functions

OIFITS helper utilities for reading and writing AMI products.

rad2mas(rad)

Convert radians to milliarcseconds.

GetWavelength(ins, filt)

Get wavelengths information from using instrument and filter informations.

Format_STAINDEX_V2(tab)

Converts sta_index to save oifits in the appropriate format.

Format_STAINDEX_T3(tab)

Converts sta_index to save oifits in the appropriate format.

ApplyFlag(data, unit='arcsec')

Apply flag and convert to the appropriate units.

save(dic, filename=None, datadir=None, verbose=False)

Save dictionary formatted data into a proper OIFITS (version 2) format file.

Parameters:

Name	Type	Description	Default
dic	dict	Dictionary containing extracted OIFITS-compatible tables with keys such as OI_VIS2, OI_VIS, OI_T3, OI_WAVELENGTH, and info.	required
filename	str	Output filename. If omitted, the name is derived from entries in dic["info"].	None
datadir	str	Destination directory for the output file.	None
verbose	bool	If True, print progress while writing tables.	False

Returns:

Type	Description
None	Writes an OIFITS file to disk.

cp_indices(vis_sta_index, cp_sta_index)

Map closure-triangle station indices to visibility baseline indices.

Parameters:

Name	Type	Description	Default
vis_sta_index	array - like	Visibility station index pairs.	required
cp_sta_index	array - like	Closure-phase station index triplets.	required

Returns:

Type	Description
tuple[ndarray, ndarray, ndarray]	Arrays (i_cps1, i_cps2, i_cps3) identifying triangle baselines.