Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

Here we summarize the coverage of GSC 2 and the various surveys that have been added to it.

Table of Contents

Original GSC 2

Original GSC 2 (2.3.3) sky coverageGSC233 Sky Coverage. Scale is logarithmic with log10(counts)sources/square) degree.

Equatorial CoordinatesGalactic Coordiantes

Image Modified

Image Modified

GSC 2.4.1

GSC 2.4.1 Anticipated GSC241 coverage with original GSC233 in grey and additional catalogs overlaid in color: SDSS-DR13 (blue) + VHS-DR4 (green) + ATLAS-DR3 (red) + VIKING-DR2 (yellow) + 2MASS-6x (purple) + KIDS-DR3 (cyan).

Other catalogs included as part of GSC 2.4.1 are all-sky; ie, GAIA-DR1, UCAC5, 2MASS-PSC, 2MASS-XSC. Note that all UCAC5 are GAIA-DR1 sources.

Equatorial CoordinatesGalactic Coordinates

Image Modified

Image Modified

GSC 2.4.2

GSC 2.4.2 includes additional catalogs improving coverage as can be seen below. For clarity we omit those included as part of GSC 2.4.1 (above). New catalogs include: PanSTARRS-DR1 (blue), SkyMapper DR1 (red), and GALEX AIS (green)

Equatorial CoordinatesGalactic Coordinates

Image Added

Image Added

The current sky coverage for GSC 2.4.2 is below. Scale is logarithmic with log10(sources/square) degree.

Equatorial CoordinatesGalactic Coordinates

Image Added

Image Added

Image Added

Image Added