CircleSkyRegion

class regions.CircleSkyRegion(center, radius, meta=None, visual=None)

Bases: SkyRegion

A circle defined using sky coordinates.

Parameters:

centerSkyCoord

The center position.

radiusQuantity

The radius in angular units.

metaRegionMeta or dict, optional

A dictionary that stores the meta attributes of the region.

visualRegionVisual or dict, optional

A dictionary that stores the visual meta attributes of the region.

Attributes Summary

center	The center position as a astropy.coordinates.SkyCoord.
meta	The meta attributes as a RegionMeta
radius	The radius as a astropy.units.Quantity angle.
visual	The visual attributes as a RegionVisual.

Methods Summary

to_pixel(wcs)

Return the equivalent region defined in pixel coordinates.

Attributes Documentation

center

The center position as a astropy.coordinates.SkyCoord.

meta

The meta attributes as a RegionMeta

radius

The radius as a astropy.units.Quantity angle.

visual

The visual attributes as a RegionVisual.

Methods Documentation

to_pixel(wcs)

Return the equivalent region defined in pixel coordinates.

Parameters:

wcsWCS

The world coordinate system transformation to use to convert between sky and pixel coordinates.

Returns:

pixel_regionPixelRegion

A pixel region.