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quad [2026/08/18 11:15] – dparadisquad [2026/09/10 13:10] (current) – external edit 127.0.0.1
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 QUaD is a bolometer-based polarimeter optimized for CMB polarization measurements. QUaD is a 2.6 m Cassegrain radio telescope on the mount originally constructed for the DASI experiment.  QUaD is a bolometer-based polarimeter optimized for CMB polarization measurements. QUaD is a 2.6 m Cassegrain radio telescope on the mount originally constructed for the DASI experiment. 
 Two portions of the Galactic plane have been observed in the Galactic longitudes range 240° < l < 295° and 315° < l < 5°, for latitudes -4<b<+4°, corresponding to 800 square degree, at 100 and 150 GHz.  Two portions of the Galactic plane have been observed in the Galactic longitudes range 240° < l < 295° and 315° < l < 5°, for latitudes -4<b<+4°, corresponding to 800 square degree, at 100 and 150 GHz. 
-The angular resolution of the surveys is 5′ and 3.5′ at 100 and 150 GHz, respectively, in Stokes I, Q and U parameters. Units of the Healpix maps are MJy/sr.+ 
 +The angular resolution of the surveys is 5′ and 3.5′ at 100 and 150 GHz, respectively, in Stokes I, Q and U parameters. Units of the HEALPix maps are MJy/sr. 
 + 
 +HEALPix maps made by D. Paradis.  
 + 
 +=== Reference === 
 +  * 'The QUaD Galactic Plane Survey 1: Maps And Analysis of Diffuse Emission' by T. Culverhouse et al., 2010, ApJ, 722, 1057,  https://ui.adsabs.harvard.edu/abs/2010ApJ...722.1057C/abstract 
 + 
 + 
 +<html> 
 +<div class="d-flex g-20 flex-column"> 
 +    <div class="d-flex g-20"> 
 +        <div class="flex-column w-450 bg-black"> 
 +            <h3 class="p-5 text-white m-0">QUaD I 100GHz</h3> 
 +            <div id="aladin-lite-quadi100" class="h-400"></div> 
 +        </div> 
 +        <div class="flex-column w-450 bg-black"> 
 +            <h3 class="p-5 text-white m-0">QUaD U 150GHz</h3> 
 +            <div id="aladin-lite-quadu150" class="h-400"></div> 
 +        </div> 
 +    </div> 
 +</div> 
 +</html> 
 + 
 +=== Maps=== 
 + 
 +__100 GHz__: \\ 
 +- Intensity: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_I_100GHz_1_2048.fits|QUaD_I_100GHz_1_2048.fits@@ 
 +<html> 
 +<button class="aladin-desktop-btn" type="button" id="quadi100">Aladin</button> 
 +</html> \\ 
 + 
 +- Stokes U: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_U_100GHz_1_2048.fits|QUaD_U_100GHz_1_2048.fits@@ 
 + 
 +- Stokes Q: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_Q_100GHz_1_2048.fits|QUaD_Q_100GHz_1_2048.fits@@ 
 + 
 +__150 GHz__: \\ 
 +- Intensity: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_I_150GHz_1_4096.fits|QUaD_I_150GHz_1_4096.fits@@ 
 + 
 +- Stokes U: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_U_150GHz_1_4096.fits|QUaD_U_150GHz_1_4096.fits@@ 
 +<html> 
 +<button class="aladin-desktop-btn" type="button" id="quadu150">Aladin</button> 
 +</html> \\ 
 + 
 +- Stokes Q: @@ENV:CADE_FILES_URL:/documents/Ancillary/QUaD/QUaD_Q_150GHz_1_4096.fits|QUaD_Q_150GHz_1_4096.fits@@ 
 + 
 +=== Original WCS Data === 
 + 
 +https://lambda.gsfc.nasa.gov/product/quad/quad_dec_2010_get.html 
 + 
 +=== Project Website === 
 +https://web.stanford.edu/~schurch/quad_instrument.html 
 + 
 +<html> 
 +<script src="lib/scripts/aladinsamp.js"></script> 
 +<script src="lib/scripts/aladinlite.js"></script> 
 +<script src="lib/scripts/aladinliteutils.js"></script> 
 +<script> 
 +    const aladinDesktopMapsList = [ 
 +        { btnId: 'quadi100', endPath: "QUaD/QUaD_I_100GHz_1_2048.fits", name: "QUaD Stockes I 100 GHz" }, 
 +        { btnId: 'quadu150', endPath: "QUaD/QUaD_U_150GHz_1_4096.fits", name: "QUaD Stockes U 150 GHz" }, 
 +    ]; 
 + 
 +    const aladinLiteMapsList = [ 
 +        { divId: '#aladin-lite-quadi100', name: 'QUaD_I_100GHz', endPath: 'QUaD_I_100GHz', ra: 303, dec: 1.1 }, 
 +        { divId: '#aladin-lite-quadu150', name: 'QUaD_U_150GHz', endPath: 'QUaD_U_150GHz', ra: 303, dec: 1.1 }, 
 +    ]; 
 + 
 +    initAladinDesktopSenders(aladinDesktopMapsList) 
 +    setAladinLiteMap(aladinLiteMapsList) 
 +</script> 
 +</html> 
 + 
 +