First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization

N. Jarosik; C. Barnes; C. L. Bennett; M. Halpern; G. Hinshaw; A. Kogut; M. Limon; S. S. Meyer; L. Page; D. N. Spergel; G. S. Tucker; J. L. Weiland; E. Wollack; E. L. Wright

doi:10.1086/377221

First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization

N. Jarosik
, C. Barnes
, C. L. Bennett
, M. Halpern
, G. Hinshaw
, A. Kogut
, M. Limon
, S. S. Meyer
, L. Page
, D. N. Spergel
, G. S. Tucker
, J. L. Weiland
, E. Wollack
, E. L. Wright

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

67 Scopus citations

Abstract

The WMAP satellite has completed 1 year of measurements of the cosmic microwave background (CMB) radiation using 20 differential high electron mobility transistor (HEMT) based radiometers. All the radiometers are functioning nominally, and characterizations of the on-orbit radiometer performance are presented, with an emphasis on properties that are required for the production of sky maps from the time-ordered data. A radiometer gain model, used to smooth and interpolate the CMB dipole gain measurements, is also presented. No degradation in the sensitivity of any of the radiometers has been observed during the first year of observations.

Original language	English (US)
Pages (from-to)	29-37
Number of pages	9
Journal	Astrophysical Journal, Supplement Series
Volume	148
Issue number	1
DOIs	https://doi.org/10.1086/377221
State	Published - Sep 2003

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

Keywords

Cosmic microwave background
Cosmology: observations
Instrumentation: detectors
Radio continuum: general
Space vehicles: instruments

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10.1086/377221

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Jarosik, N., Barnes, C., Bennett, C. L., Halpern, M., Hinshaw, G., Kogut, A., Limon, M., Meyer, S. S., Page, L., Spergel, D. N., Tucker, G. S., Weiland, J. L., Wollack, E., & Wright, E. L. (2003). First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization. Astrophysical Journal, Supplement Series, 148(1), 29-37. https://doi.org/10.1086/377221

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title = "First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization",

abstract = "The WMAP satellite has completed 1 year of measurements of the cosmic microwave background (CMB) radiation using 20 differential high electron mobility transistor (HEMT) based radiometers. All the radiometers are functioning nominally, and characterizations of the on-orbit radiometer performance are presented, with an emphasis on properties that are required for the production of sky maps from the time-ordered data. A radiometer gain model, used to smooth and interpolate the CMB dipole gain measurements, is also presented. No degradation in the sensitivity of any of the radiometers has been observed during the first year of observations.",

keywords = "Cosmic microwave background, Cosmology: observations, Instrumentation: detectors, Radio continuum: general, Space vehicles: instruments",

author = "N. Jarosik and C. Barnes and Bennett, \{C. L.\} and M. Halpern and G. Hinshaw and A. Kogut and M. Limon and Meyer, \{S. S.\} and L. Page and Spergel, \{D. N.\} and Tucker, \{G. S.\} and Weiland, \{J. L.\} and E. Wollack and Wright, \{E. L.\}",

year = "2003",

month = sep,

doi = "10.1086/377221",

language = "English (US)",

volume = "148",

pages = "29--37",

journal = "Astrophysical Journal, Supplement Series",

issn = "0067-0049",

publisher = "American Astronomical Society",

number = "1",

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Jarosik, N, Barnes, C, Bennett, CL, Halpern, M, Hinshaw, G, Kogut, A, Limon, M, Meyer, SS, Page, L, Spergel, DN, Tucker, GS, Weiland, JL, Wollack, E & Wright, EL 2003, 'First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization', Astrophysical Journal, Supplement Series, vol. 148, no. 1, pp. 29-37. https://doi.org/10.1086/377221

TY - JOUR

T1 - First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations

T2 - On-orbit radiometer characterization

AU - Jarosik, N.

AU - Barnes, C.

AU - Bennett, C. L.

AU - Halpern, M.

AU - Hinshaw, G.

AU - Kogut, A.

AU - Limon, M.

AU - Meyer, S. S.

AU - Page, L.

AU - Spergel, D. N.

AU - Tucker, G. S.

AU - Weiland, J. L.

AU - Wollack, E.

AU - Wright, E. L.

PY - 2003/9

Y1 - 2003/9

N2 - The WMAP satellite has completed 1 year of measurements of the cosmic microwave background (CMB) radiation using 20 differential high electron mobility transistor (HEMT) based radiometers. All the radiometers are functioning nominally, and characterizations of the on-orbit radiometer performance are presented, with an emphasis on properties that are required for the production of sky maps from the time-ordered data. A radiometer gain model, used to smooth and interpolate the CMB dipole gain measurements, is also presented. No degradation in the sensitivity of any of the radiometers has been observed during the first year of observations.

AB - The WMAP satellite has completed 1 year of measurements of the cosmic microwave background (CMB) radiation using 20 differential high electron mobility transistor (HEMT) based radiometers. All the radiometers are functioning nominally, and characterizations of the on-orbit radiometer performance are presented, with an emphasis on properties that are required for the production of sky maps from the time-ordered data. A radiometer gain model, used to smooth and interpolate the CMB dipole gain measurements, is also presented. No degradation in the sensitivity of any of the radiometers has been observed during the first year of observations.

KW - Cosmic microwave background

KW - Cosmology: observations

KW - Instrumentation: detectors

KW - Radio continuum: general

KW - Space vehicles: instruments

UR - https://www.scopus.com/pages/publications/0242557300

UR - https://www.scopus.com/pages/publications/0242557300#tab=citedBy

U2 - 10.1086/377221

DO - 10.1086/377221

M3 - Article

AN - SCOPUS:0242557300

SN - 0067-0049

VL - 148

SP - 29

EP - 37

JO - Astrophysical Journal, Supplement Series

JF - Astrophysical Journal, Supplement Series

IS - 1

ER -

First-year Wilkinson Microwave Anisotropy Probe (WMAP) observations: On-orbit radiometer characterization

Abstract

All Science Journal Classification (ASJC) codes

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