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### A.9.2 Cone Search

Cone table load dialogue

The cone search load dialogue can be opened using the Cone Search button () from the Load Window's toolbar or the Control Window's VO menu. It allows you to query one of a number of external web services for objects from a given catalogue in a given region of the sky. Data held by cone search services are effectively source catalogues with sky position columns.

The window consists of a Registry Query Panel at the top, and a Single Positional Search Panel below.

The search panel includes a Verbosity selector as well as the normal features: this allows you to choose options for how many columns will appear in the output table, from 1 (minimum) to 3 (maximum). Some services will take notice of this parameter and return narrower or wider tables respectively, and others will ignore it.

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TOPCAT - Tool for OPerations on Catalogues And Tables
Starlink User Note253
TOPCAT web page: http://www.starlink.ac.uk/topcat/
Author email: m.b.taylor@bristol.ac.uk
Mailing list: topcat-user@jiscmail.ac.uk