A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales

M. L. Fischer; D. C. Alsop; E. S. Cheng; A. C. Clapp; D. A. Cottingham; J. O. Gundersen; T. C. Koch; E. Kreysa; P. R. Meinhold; A. E. Lange; P. M. Lubin; P. L. Richards; G. F. Smoot

doi:10.1086/171148

A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales

M. L. Fischer, D. C. Alsop, E. S. Cheng, A. C. Clapp, D. A. Cottingham, J. O. Gundersen, T. C. Koch, E. Kreysa, P. R. Meinhold, A. E. Lange, P. M. Lubin, P. L. Richards, G. F. Smoot

Physics

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

We report the performance of a bolometric system designed to measure the anisotropy of the cosmic microwave background (CMB) radiation on angular scales from 0:°3 to 3°. The system represents a collaborative effort combining a low-background l m diameter balloon-borne telescope with new multimode feed optics, a beam modulation mechanism with high stability, and a four-channel bolometric receiver with passbands centered near frequencies of 3 (90), 6 (180), 9 (270), and 12 (360) cm^-1 (GHz). The telescope has been flown three times with the bolometric receiver and has demonstrated detector noise limited performance capable of reaching sensitivity levels of ΔT/T_CMB ≈ 10^-5 with detectors operated at T = 0.3 K.

Original language	English (US)
Pages (from-to)	242-252
Number of pages	11
Journal	Astrophysical Journal
Volume	388
Issue number	2
DOIs	https://doi.org/10.1086/171148
State	Published - Apr 1 1992

Keywords

Cosmic microwave background
Instrumentation: photometers

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/171148

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Fischer, M. L., Alsop, D. C., Cheng, E. S., Clapp, A. C., Cottingham, D. A., Gundersen, J. O., Koch, T. C., Kreysa, E., Meinhold, P. R., Lange, A. E., Lubin, P. M., Richards, P. L., & Smoot, G. F. (1992). A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales. Astrophysical Journal, 388(2), 242-252. https://doi.org/10.1086/171148

A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales. / Fischer, M. L.; Alsop, D. C.; Cheng, E. S.; Clapp, A. C.; Cottingham, D. A.; Gundersen, J. O.; Koch, T. C.; Kreysa, E.; Meinhold, P. R.; Lange, A. E.; Lubin, P. M.; Richards, P. L.; Smoot, G. F.

In: Astrophysical Journal, Vol. 388, No. 2, 01.04.1992, p. 242-252.

Research output: Contribution to journal › Article › peer-review

Fischer, ML, Alsop, DC, Cheng, ES, Clapp, AC, Cottingham, DA, Gundersen, JO, Koch, TC, Kreysa, E, Meinhold, PR, Lange, AE, Lubin, PM, Richards, PL & Smoot, GF 1992, 'A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales', Astrophysical Journal, vol. 388, no. 2, pp. 242-252. https://doi.org/10.1086/171148

Fischer, M. L. ; Alsop, D. C. ; Cheng, E. S. ; Clapp, A. C. ; Cottingham, D. A. ; Gundersen, J. O. ; Koch, T. C. ; Kreysa, E. ; Meinhold, P. R. ; Lange, A. E. ; Lubin, P. M. ; Richards, P. L. ; Smoot, G. F. / A bolometric millimeter-wave system for observations of anisotropy in the cosmic microwave background radiation on medium angular scales. In: Astrophysical Journal. 1992 ; Vol. 388, No. 2. pp. 242-252.

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