The BOOMERANG North America Instrument: a balloon-borne bolometric radiometer optimized for measurements of cosmic background radiation anisotropies from 0.3 to 4 degrees
- P. Cardoni
- Andrew E. Lange
- E. Hivon
- P. C. Farese
- Francesco Scaramuzzi
- B. P. Crill
- Silvia Masi
- M. Giacometti
- G. De Troia
- J. J. Bock
- H. M. Del Castillo
- L. Miglio
- Alvise Raccanelli
- Enzo Pascale
- A. Iacoangeli
- R. Bathia
- J. E. Ruhl
- P. de Bernardis
- G. Romeo
- A. Boscaleri
- F. Piacentini
- Paolo Palangio
- V. V. Hristov
- Calvin B. Netterfield
- P. D. Mauskopf
- P. A. R. Ade
- S. Rao
DOIAbstract
We describe the BOOMERANG North America (BNA) instrument, a balloon-borne bolometric radiometer designed to map the Cosmic Microwave Background (CMB) radiation with 0.3 deg resolution over a significant portion of the sky. This receiver employs new technologies in bolometers, readout electronics, millimeter-wave optics and filters, cryogenics, scan and attitude reconstruction. All these subsystems are described in detail in this paper. The system has been fully calibrated in flight using a variety of techniques which are described and compared. It has been able to obtain a measurement of the first peak in the CMB angular power spectrum in a single balloon flight, few hours long, and was a prototype of the BOOMERANG Long Duration Balloon (BL...
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