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Klaus Honscheid, 04/26/2013 10:34 AM

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h1. SV Catalog Format
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<pre>
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# Image Quality Catalog
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# Includes all DES and COSMOS object exposures from February 2013 (starting with exposure 174311) with exposure time >= 20.0 
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seconds
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#
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# Convention: -99999 indicated missing or unavailable information
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#
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# Catalog Fields:
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# [0]     expid         int     Exposure ID
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# [1]     date-obs      str     Start of exposure (UTC)
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# [2]     propid        str     Proposal ID  (CP images are included)
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# [3]     guider        int     Guider status (0: not used,1: used, 2: used, lost a star, 3: used, lost all stars)
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# [4]     filter        str     u, g, r, i, z, or Y
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# [5]     exptime       float   actual exposure time in seconds
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# [6]     airmass       float   Airmass
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# [7]     telra         float   Mount RA position in float degrees
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# [8]     teldec        float   Mount DEC position in float degrees
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# [9]     ha            float   Hour Angle (float degrees)
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# [10]    az            float   Azimuth (float degrees)
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# [11]    zd            float   Zenith Distance (float degrees)
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# [12]    telfocus      float   Hexapod z
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# [13]    aos           bool    True if AOS data (donuts) available
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# [14]    fadz          float   Focus&Alignment delta Z
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# [15]    airmass2      float   Airmass again (same as [6]
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# [16]    domelow       float   Dome temperature near floor [degrees C]
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# [17]    msurtemp      float   Average mirror surface temperature [degrees C]
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# [18]    windspd       float   Wind Speed [km/h]
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# [19]    winddir       float   Wind Direction (not working) [degrees C]
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# [20]    mairtemp      float   Air temperature near mirror [degrees C]
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# [21]    gx            float   guider centroid mean in x (dec)
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# [22]    gy            float   guider centroid mean in y (RA)
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# [23]    gmaxx         float   guider max. correction in x (dec)
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# [24]    gmaxy         float   guider max. correction in y (RA)
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# [25]    gxx           float   Variance of guider corrections (x) 1/N Sum(x_i -x_mean)^2
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# [26]    gyy           float   Variance of guider corrections (y) 1/N Sum(y_i -y_mean)^2
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# [27]    gxy           float   cross correlation 1/N Sum((x_i - x_meand)*(y_i -y_mean)
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# [28]    jumpx         float   Guider jump in x (dec) for which (x_i - x_i-2)^2 + (y_i - y_i-2)^2 is max.
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# [29]    jumpy         float   Guider jump in y (RA) for which (x_i - x_i-2)^2 + (y_i - y_i-2)^2 is max.
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# [30]    autocorx      float   Amplitude of first peak in guider auto correlation (x) after zero lag
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# [31]    autocory      float   Amplitude of first peak in guider auto correlation (y) after zero lag
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# [32]    dodx          float   Donut corrextion (dx)
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# [33]    dody          float   Donut corrextion (dy)
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# [34]    doyt          float   Donut corrextion (yt)
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# [35]    z5delta       float   Donut Zernike (Z5 delta)
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# [36]    z5thetax      float   Donut Zernike (Z5 theta x)
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# [37]    z5thetay      float   Donut Zernike (Z5 theta x)
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# [38]    z6delta       float   Donut Zernike (Z6 delta)
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# [39]    z6theta       float   Donut Zernike (Z6 theta)
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# [40]    z6thetax      float   Donut Zernike (Z6 theta x)
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# [41]    z6thetay      float   Donut Zernike (Z6 theta y)
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# [42]    z7delta       float   Donut Zernike (Z7 delta)
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# [43]    z8delta       float   Donut Zernike (Z8 delta)
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# [44]    r50           float   PSF flux radius [arcsec]
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# [45]    whk           float   PSF whiskers [arcsec]
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# [46]    whkrms        float   PSF whiskers rms [arcsec]
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# [47]    PA            float   PSF position angle [degrees]
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# [48]    fwhm_world    float   PSF fwhm [arcsec]
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# [49]    scampchi      float   FirstCut chi value of the scamp fit
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# [50]    elliptic      float   FirstCut median over 62 CCDs of sextractor's median ellipticity on each chip
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# [51]    scampnum      int     FirstCut number of objects used by scamp to fit astrometry
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# [52]    skysigma      float   FirstCut median over 62 CCDs of sextractor's sky brightness std. dev. on each chip
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# [53]    fwhm          float   FirstCut median over 62 CCDs of sextractor's median FWHM on each chip
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# [54]    skybrite      float   FirstCut median over 62 CCDs of sextractor's sky brightness on each chip
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# [54]    r50S          float   r50 (E. Suchyta)
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# [55]    r50ih         float   r50 from Image Health [arcsec]
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# [55]    fwhmif        float   fwhm from Image Health [arcsec]
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# [56]    e1            float   e1 ellipticity component from Image Health
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# [57]    e2            float   e2 ellipticity component from Image Health
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# [58]    ellipticity   float   ellipticity from Image Health
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# [59]    ixx           float   flux 2nd moment [arsec2]
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# [60]    iyy           float   flux 2nd moment [arsec2]
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# [61]    ixy           float   flux 2nd moment [arsec2]
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# [62]    w1            float   w1 whisker component [arsec]
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# [63]    w2            float   w2 whisker component [arsec]
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# [64]    whisker       float   whisker [arsec]
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# [65]    whisker_rms   float   whisker variation (rms) [arsec]
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# [66]    angle         float   whisker angle [rad]
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# [67]    nstars        float   Number of stars used by image health
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# [68]	tcs_dec_mean    float   Mean declination over entire exposure
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# [69]	tcs_dec_mean_f2	float   Mean declination over first 2 seconds
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# [70]	tcs_dec_mean_f20 float  Mean declination over first 20 seconds
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# [71]	tcs_dec_mean_p5	float   Mean declination over 5 seconds before shutter opens
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# [72]	tcs_dec_mean_s20  float Mean declination over seconds 20 seconds
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# [73]	tcs_dec_mean_t20  float Mean declination over third 30 seconds
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# [74]	tcs_dec_std	float   RMS/STD declination over entire exposure
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# [75]	tcs_dec_std_f2	float   RMS/STD declination over first 2 seconds
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# [76]	tcs_dec_std_f20	float   RMS/STD declination over first 20 seconds
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# [78]	tcs_dec_std_p5	float   RMS/STD declination over 5 seconds before shutter opens
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# [79]	tcs_dec_std_s20	float   RMS/STD declination over seconds 20 seconds
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# [80]	tcs_dec_std_t20	float   RMS/STD declination over third 20 seconds
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# [81]	tcs_e1	        float   e1=xx-yy
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# [82]	tcs_e2	        float   e2=2xy
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# [83]	tcs_ellip	float   sqrt(ellip2)
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# [84]	tcs_ellip2	float   sqrt(e1^2 + e2^2)
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# [85]	tcs_exptime	float   exposure time, duplicate from other table entries
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# [86]	tcs_ge1	        float   same as e1 except from raw guider data
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# [87]	tcs_ge2	        float   same as e2 except from raw guider data
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# [88]	tcs_gellip	float   same as ellip except from raw guider data
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# [89]	tcs_gellip2	float   same as eliip2 except from raw guider data
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# [90]	tcs_gxx	        float   same as xx except from raw guider data
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# [91]	tcs_gxy	        float   same as xy except from raw guider data
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# [92]	tcs_gyy	        float   same as yy except from raw guider data
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# [93]	tcs_ha_mean	float   Mean HA over entire exposure
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# [94]	tcs_ha_mean_f2	float   Mean HA over first 2 seconds
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# [95]	tcs_ha_mean_f20	float   Mean HA over first 20 seconds
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# [96]	tcs_ha_mean_p5	float   Mean HA over 5 seconds before shutter opens
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# [97]	tcs_ha_mean_s20	float   Mean HA over second 20 seconds
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# [98]	tcs_ha_mean_t20	float   Mean HA over third 20 seconds
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# [99]	tcs_ha_std	float   RMS/STD HA over entire exposure
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# [100]	tcs_ha_std_f2	float   RMS/STD HA over first two seconds
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# [101]	tcs_ha_std_f20	float   RMS/STD HA over first 20 seconds
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# [102]	tcs_ha_std_p5	float   RMS/STD HA over 5 seconds before shutter opens
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# [103]	tcs_ha_std_s20	float   RMS/STD HA over second 20 seconds
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# [104]	tcs_ha_std_t20	float   RMS/STD HA over third 20 seconds
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# [105]	tcs_mjd	        float   modified julian day start time of exposure.
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# [106]	tcs_xx	        float   xx moment of TCS HA
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# [107]	tcs_xy	        float   xy moment of TCS HA/dec
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# [108]	tcs_yy	        float   yy moment of TCS dec
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#expid, date-obs, propid, program, guider, filter, exptime, airmass, telra, teldec, ha, az, zd, focus, aos, fadz, airmass, do
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melow, msurtemp, windspd, winddir, mairtemp, gx, gy, gmaxx, gmaxy, gxx, gyy, gxy, jumpx, jumpy, autocorx, autocory,dodx,dody,
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doyt,z5delta,z5thetax,z5deltay,z6delta,z6theta,z6thetax,z6thetay,z7delta,z8delta,r50,whk,whkrms,PA, fwhm_world, scampchi, ell
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iptic, scampnum, skysigma, fwhm, skybrite, r50s, r50ih,fwhmih,e1,e2,ellipticity,ixx,iyy,ixy,w1,w2,whisker,whisker_rms,angle,n
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stars, tcs_dec_mean, tcs_dec_mean_f2, tcs_dec_mean_f20, tcs_dec_mean_p5, tcs_dec_mean_s20, tcs_dec_mean_t20, tcs_dec_std, tcs
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_dec_std_f2, tcs_dec_std_f20, tcs_dec_std_p5, tcs_dec_std_s20, tcs_dec_std_t20, tcs_e1, tcs_e2, tcs_ellip, tcs_ellip2, tcs_ex
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ptime, tcs_ge1, tcs_ge2, tcs_gellip, tcs_gellip2, tcs_gxx, tcs_gxy, tcs_gyy, tcs_ha_mean, tcs_ha_mean_f2, tcs_ha_mean_f20, tc
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s_ha_mean_p5, tcs_ha_mean_s20, tcs_ha_mean_t20, tcs_ha_std, tcs_ha_std_f2, tcs_ha_std_f20, tcs_ha_std_p5, tcs_ha_std_s20, tcs
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_ha_std_t20, tcs_mjd, tcs_xx, tcs_xy, tcs_yy
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</pre>