The calibration of PIXIE

D. J. Fixsen; D. T. Chuss; Alan Kogut; Paul Mirel; E. J. Wollack

doi:10.1117/12.2232836

19 July 2016 The calibration of PIXIE

D. J. Fixsen, D. T. Chuss, Alan Kogut, Paul Mirel, E. J. Wollack

Proceedings Volume 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII; 991439 (2016) https://doi.org/10.1117/12.2232836
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

The FIRAS instrument demonstrated the use of an external calibrator to compare the sky to an instrumented blackbody. The PIXIE calibrator is improved from -35 dB to -65 dB. Another significant improvement is the ability to insert the calibrator into either input of the FTS. This allows detection and correction of additional errors, reduces the effective calibration noise by a factor of 2, eliminates an entire class of systematics and allows continuous observations. This paper presents the design and use of the PIXIE calibrator.

Citation Download Citation

D. J. Fixsen, D. T. Chuss, Alan Kogut, Paul Mirel, and E. J. Wollack "The calibration of PIXIE", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991439 (19 July 2016); https://doi.org/10.1117/12.2232836

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