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### B.2.7 TwoQZ

Specialist functions for use with data from the the 2QZ survey. Spectral data are taken directly from the 2QZ web site at http://www.2dfquasar.org/.

TWOQZ_SPEC_BASE
  String prepended to the object NAME for the FITS spectra file URL.
TWOQZ_SPEC_TAIL
  String appended to the object NAME for the FITS spectra file URL.
TWOQZ_FITS_IMAGE_BASE
  String prepended to the object NAME for the FITS postage stamp URL.
TWOQZ_FITS_IMAGE_TAIL
  String appended to the object NAME for the FITS postage stamp URL.
TWOQZ_JPEG_IMAGE_BASE
  String prepended to the object NAME for the JPEG postage stamp URL.
TWOQZ_JPEG_IMAGE_TAIL
  String appended to the object NAME for the JPEG postage stamp URL.
image2QZ( name )
  Displays the postage stamp FITS image for a 2QZ object in an image viewer.
jpeg2QZ( name )
  Displays the postage stamp JPEG image for a 2QZ object in an external viewer.
get2qzSubdir( name )
  Returns the name of the subdirectory (such as "ra03_04") for a given 2QZ object name (ID).

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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@bristol.ac.uk