TopHat
(2001 balloon -based CMB survey)
TopHat was a balloon-borne telescope
to survey the cosmic microwave background (CMB) flown in 2001.
It was an unusual design in that the telescope
aperture was at the top of the balloon: this
allowed a more vertical view, reducing airmass.
(CMB,telescope,radio,past,airborne)
Further reading:
https://en.wikipedia.org/wiki/TopHat_(telescope)
http://ui.adsabs.harvard.edu/abs/1998ASPC..141...97S/abstract
https://stratocat.com.ar/fichas-e/2001/MCM-20010104.htm
https://stratocat.com.ar/bases/41e.htm
Referenced by page:
CMB surveys
Index