Two-Micron Sky Survey, or IRC, or Caltech infrared catalog is the astronomical catalogue of the infrared sources published in the 1969 by

Neugebauer Neugebauer is a German surname. Notable people with the surname include: *Alfred Neugebauer, Austrian film actor * Fritz Neugebauer, Second President of the National Council of Austria *Gerry Neugebauer, American astronomer * Hans E J Neugebauer, G ...

and Leighton. Catalogue index consists of two numbers -

declination In astronomy, declination (abbreviated dec; symbol ''δ'') is one of the two angles that locate a point on the celestial sphere in the equatorial coordinate system, the other being hour angle. Declination's angle is measured north or south of the ...

rounded to multiplier of 10 degrees, with

sign A sign is an object, quality, event, or entity whose presence or occurrence indicates the probable presence or occurrence of something else. A natural sign bears a causal relation to its object—for instance, thunder is a sign of storm, or me ...

, and star ordinal number within

band. Catalog contains about 5000 objects between declinations +15 and -15 degrees. Most of the sources are M-type stars. A supplement was also published with further data on 831 sources.

References

External links

Online catalogue
at

VizieR A vizier (; ar, وزير, wazīr; fa, وزیر, vazīr), or wazir, is a high-ranking political advisor or minister in the near east. The Abbasid caliphs gave the title ''wazir'' to a minister formerly called ''katib'' (secretary), who was a ...

Astronomical catalogues {{astronomical-catalogue-stub