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dc.contributor.authorCulverhouse, Thomas
dc.contributor.authorAde, Peter
dc.contributor.authorBock, James
dc.contributor.authorBowden, Melanie
dc.contributor.authorBrown, Michael L.
dc.contributor.authorCahill, Gary
dc.contributor.authorCastro, Patricia G.
dc.contributor.authorChurch, Sarah E.
dc.contributor.authorFriedman, Robert
dc.contributor.authorGanga, Ken
dc.contributor.authorGear, Walter K.
dc.contributor.authorGupta, Sujata
dc.contributor.authorHinderks, James R.
dc.contributor.authorKovac, John M
dc.contributor.authorLange, Andrew E.
dc.contributor.authorLeitch, Erik
dc.contributor.authorMelhuish, Simon J.
dc.contributor.authorMemari, Yasin
dc.contributor.authorMurphy, J. Anthony
dc.contributor.authorOrlando, Angiola
dc.contributor.authorSchwarz, Robert
dc.contributor.authorO'Sullivan, Creidhe
dc.contributor.authorPiccirillo, Lucio
dc.contributor.authorPryke, Clement
dc.contributor.authorRajguru, Nutan
dc.contributor.authorRusholme, Ben
dc.contributor.authorTaylor, Andrew N.
dc.contributor.authorThompson, Keith L.
dc.contributor.authorTurner, Abigail H.
dc.contributor.authorWu, Ed Y. S.
dc.contributor.authorZemcov, Michael
dc.date.accessioned2013-09-30T20:20:14Z
dc.date.issued2010
dc.identifier.citationCulverhouse, Thomas, Peter Ade, James Bock, Melanie Bowden, Michael L. Brown, Gary Cahill, Patricia G. Castro, and et al. 2010. The QUaD galactic plane survey. I. Maps and analysis of diffuse emission. The Astrophysical Journal 722, no. 2: 1057-1077.en_US
dc.identifier.issn0004-637Xen_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:11129146
dc.description.abstractWe present a survey of ~800 deg\(^{2}\) of the galactic plane observed with the QUaD telescope. The primary products of the survey are maps of Stokes I, Q, and U parameters at 100 and 150 GHz, with spatial resolution of 5' and 3'.5, respectively. Two regions are covered, spanning approximately 245°-295° and 315°-5° in the galactic longitude l and –4° < b < +4° in the galactic latitude b. At 0°.02 square pixel size, the median sensitivity is 74 and 107 kJy sr\(^{–1}\) at 100 GHz and 150 GHz respectively in I, and 98 and 120 kJy sr\(^{–1}\) for Q and U. In total intensity, we find an average spectral index of α = 2.35 ± 0.01(stat) ± 0.02(sys) for |b| ≤ 1°, indicative of emission components other than thermal dust. A comparison to published dust, synchrotron, and free-free models implies an excess of emission in the 100 GHz QUaD band, while better agreement is found at 150 GHz. A smaller excess is observed when comparing QUaD 100 GHz data to the WMAP five-year W band; in this case, the excess is likely due to the wider bandwidth of QUaD. Combining the QUaD and WMAP data, a two-component spectral fit to the inner galactic plane (|b| ≤ 1°) yields mean spectral indices of α s = –0.32 ± 0.03 and α\(_{d}\) = 2.84 ± 0.03; the former is interpreted as a combination of the spectral indices of synchrotron, free-free, and dust, while the second is largely attributed to the thermal dust continuum. In the same galactic latitude range, the polarization data show a high degree of alignment perpendicular to the expected galactic magnetic field direction, and exhibit mean polarization fraction 1.38 ± 0.08(stat) ± 0.1(sys)% at 100 GHz and 1.70 ± 0.06(stat) ± 0.1(sys)% at 150 GHz. We find agreement in polarization fraction between QUaD 100 GHz and the WMAP W band, the latter giving 1.1% ± 0.4%.en_US
dc.description.sponsorshipAstronomyen_US
dc.language.isoen_USen_US
dc.publisherIOP Publishingen_US
dc.relation.isversionofdoi:10.1088/0004-637X/722/2/1057en_US
dash.licenseLAA
dc.subjectcosmologyen_US
dc.subjectobservationsen_US
dc.subjectdiffuse radiationen_US
dc.subjectgalaxyen_US
dc.subjectstructureen_US
dc.subjectpolarizationen_US
dc.subjectsubmillimeteren_US
dc.subjectdiffuse backgrounden_US
dc.subjectsurveysen_US
dc.titleThe QUaD Galactic Plane Survey. I. Maps and Analysis of Diffuse Emissionen_US
dc.typeJournal Articleen_US
dc.description.versionVersion of Recorden_US
dc.relation.journalThe Astrophysical Journalen_US
dash.depositing.authorKovac, John M
dc.date.available2013-09-30T20:20:14Z
dc.identifier.doi10.1088/0004-637X/722/2/1057*
workflow.legacycommentsIn QSDB.en_US
dash.authorsorderedfalse
dash.contributor.affiliatedKovac, John


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