Status Report

The Optical Design and Characterization of the Microwave Anisotropy Probe

By SpaceRef Editor
January 13, 2003
Filed under , ,

Astrophysics, abstract

From: Robert S. Hill <>
Date: Fri, 10 Jan 2003 17:31:22 GMT (283kb)

The Optical Design and Characterization of the Microwave Anisotropy

L. Page (1),
C. Jackson (2),
C. Barnes (1),
C. Bennett (2),
M. Halpern (3),
G. Hinshaw (2),
N. Jarosik (1),
A. Kogut (2),
M. Limon (1,2),
S. S. Meyer (4),
D. N. Spergel (1),
G. S. Tucker (5),
D. T. Wilkinson (1),
E. Wollack (2),
E. L. Wright (6) ((1) Princeton, (2) NASA’s GSFC, (3) UBC, (4) U. Chicago, (5) Brown, (6) UCLA)

Comments: ApJ in press; 22 pages with 11 low resolution figures; paper is
available with higher quality figures at
this http URL

The primary goal of the MAP satellite, now in orbit, is to make high fidelity
polarization sensitive maps of the full sky in five frequency bands between 20
and 100 GHz. From these maps we will characterize the properties of the cosmic
microwave background (CMB) anisotropy and Galactic and extragalactic emission
on angular scales ranging from the effective beam size, <0.23 degree, to the
full sky. MAP is a differential microwave radiometer. Two back-to-back shaped
offset Gregorian telescopes feed two mirror symmetric arrays of ten corrugated
feeds. We describe the prelaunch design and characterization of the optical
system, compare the optical models to the measurements, and consider multiple
possible sources of systematic error.

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