Astrophysics (Index)About

Cosmology Large Angular Scale Survey

(CLASS)
(telescope array and survey mapping CMB polarization)

The Cosmology Large Angular Scale Surveyor (CLASS) is an array of four microwave telescopes in Chile on Cerro Toco in the Atacama Desert at an altitude of 5200 meters, surveying CMB polarization.


Another use of the acronym CLASS is for Cosmic Lens All-sky Survey, a 1990s/2000s radio survey aimed at gravitational lensing.


(instrument,survey,Chile,CMB,all sky)
Further reading:
https://en.wikipedia.org/wiki/Cosmology_Large_Angular_Scale_Surveyor
https://sites.krieger.jhu.edu/class/
https://hdl.handle.net/11299/169639
https://ui.adsabs.harvard.edu/abs/2014SPIE.9153E..1IE/abstract
https://ui.adsabs.harvard.edu/abs/2021ApJ...922..212H/abstract
https://ui.adsabs.harvard.edu/abs/2024ApJS..273...26D/abstract
https://www.nsf.gov/news/light-dawn-universe-observed-earth-based-telescopes
https://www.universetoday.com/articles/telescopes-in-chile-capture-images-of-the-earliest-galaxies-in-the-universe
https://bsky.app/profile/classtelescope.org
WaveLFreqPhoton
Energy
  
1.4mm217GHz897μeVbeginCosmology Large Angular Scale Survey
7.9mm38GHz157μeVendCosmology Large Angular Scale Survey

Referenced by pages:
CMB surveys
Cosmic Lens All-sky Survey (CLASS)
Llano de Chajnantor Observatory

Index