Two Year Cosmology Large Angular Scale Surveyor (CLASS) Observations: Long Timescale Stability Achieved with a Front-End Variable-delay Polarization Modulator at 40 GHz

Kathleen Harrington, Rahul Datta, Keisuke Osumi +33

The Cosmology Large Angular Scale Surveyor (CLASS) is a four-telescope array observing the largest angular scales ($2\lesssim \ell \lesssim 200$) of the cosmic microwave backgroun…