vsx_vizier

stellarphot.core.vsx_vizier(field_center, radius=<Quantity 1. deg>, clip_by_frame=False, padding=100)

Return the items from the copy of VSX on Vizier that are within the search radius and (optionally) within the field of view of a frame.

Parameters:

field_centerastropy.coordinates.SkyCoord, astropy.wcs.WCS, or FITS header

Either a SkyCoord object, a WCS object or a FITS header with WCS information. The input coordinate should be the center of the frame; if a header or WCS is the input then the center of the frame will be determined from the WCS.

radiusastropy.units.Quantity, optional

Radius around which to search.

clip_by_framebool, optional

If True, only return items that are within the field of view of the frame. Default is True.

paddingint, optional

Coordinates need to be at least this many pixels in from the edge of the frame to be considered in the field of view. Default value is 100.

Returns:

stellarphot.CatalogData

Table of catalog information.