"IRTS 250" progressive survey

This Web resource contains HiPS(*) components for IRTS 250 progressive survey.
  • Label: IRTS 250
  • Type: HiPS image
  • Best pixel angular resolution: 51.53"
  • Max tile order: 3 (NSIDE=8)
  • Available encoding tiles: png jpeg fits
  • Tile size: 512x512
  • FITS tile BITPIX: -32
  • Processing date: 2016-09-16T11:33Z
  • HiPS builder: Aladin/HipsGen v9.037
  • Coordinate frame: galactic
  • Sky area: 2.794% of sky => 1153°^2
  • Associated coverage map: MOC
  • Raw property file: properties
  • Base URL:
This survey can be displayed by Aladin Lite (see above), by Aladin Desktop client (just open the base URL)
or any other HiPS aware clients .
(*) The HiPS technology allows a dedicated client to access an astronomical survey at any location and at any scale. HiPS is based on HEALPix sky tessellation and it is designed for astronomical scientifical usages (low distorsion, true pixel values...).HiPS technical documentation is available here