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WASP getting started

Explore the WASP Archive for stellar data, developed by Richard West. Access via perl scripts, download light curves, perform analysis. Utilize WQL for querying specific attributes. Share results and tools for common tasks.

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WASP getting started

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  1. WASP getting started

  2. Horne 2006

  3. Mass-Radius Relation Radius and inclination from transits Mass from inclination and radial velocity

  4. Aperture Horne 2002

  5. Optics: sky coverage and depth 1% of sky with 1 CCD WASP LSST 11cm aperture 16 CCDs 2.5% of sky 8m aperture - 750 CCDs – 0.02% of sky

  6. 11cm aperture; f/1.8 16 CCDs; 1000 sqr deg

  7. Survey Grasp

  8. INT Parameter Space VST • For flat logN-logS, best to survey shallow and wide • WASP will find the rare bright examples of variable objects WASP

  9. WASP-South

  10. Status • WASP-N • Operated with 5 cameras for 5 months in 2004 • 2004 data reduced and available in archive • Operations with 8 cameras due to begin in April 2006 • WASP-S • Operations recently begun with 8 cameras

  11. Archive contents: August 2005 Star counts

  12. Archive contents: August 2005 Number of observations

  13. Archive contents: 11 Feb 2006 6,712,926 stars

  14. Archive contents: 11 Feb 2006 6,712,926 stars; 12,791,907,925 observations

  15. Archive contents: 11 Feb 2006 6,712,926 stars; 12,791,907,925 observations

  16. WASP Archive • Designed and built by Richard West (Leicester) • development on-going; issues of scaling and access times • documentation at http://www.wasp.le.ac.uk/archive/ • Archive use is a two stage process • Search the catalogue for objects of interest • Download and analyse light curves • Access is via command-line-driven perl scripts • use of web-protocols to be firewall compatible • Philosophy is avoid reinventing the wheel • Data served as FITS files, so compatible with existing software • Each user can use their favourite scripting language (e.g. IDL) • Expect users to share analysis tools for common tasks • Users can also share results via new database tables

  17. Archive contents: 11 Feb 2006 pl_sky.qin 6,712,926 stars

  18. Remote user Internet Archive Archive software Catalogue database tables Bulk photometry The WASP Archive • User interface via perl scripts • wcatquery – filter database tables to select objects of interest • wlcextract – download light curves for selected objects

  19. wcatquery > wcatquery –qryfile=filename.qry 1SWASP J141609.92+512202.0 214.041369 51.367231 4.640000 11SWASP J152617.38+342009.5 231.572433 34.335994 4.650000 11SWASP J173055.37+310929.2 262.730717 31.158136 5.110000 11SWASP J165258.05+314206.0 253.241906 31.701675 5.180000 11SWASP J170136.36+333405.7 255.401503 33.568267 5.260000 11SWASP J170330.21+352450.5 255.875897 35.414053 5.460000 21SWASP J163102.78+351330.2 247.761597 35.225061 5.480000 51SWASP J113832.32+333733.0 174.634678 33.625833 5.520000 11SWASP J103330.91+345919.2 158.378794 34.988694 5.540000 21SWASP J153848.85+344030.1 234.703547 34.675039 5.570000 41SWASP J173608.10+281106.3 264.033756 28.185089 5.590000 21SWASP J165043.14+323313.2 252.679792 32.553667 5.610000 21SWASP J103752.26+340443.0 159.467772 34.078625 5.630000 11SWASP J173149.58+282426.9 262.956586 28.407494 5.650000 21SWASP J123347.41+332304.8 188.447561 33.384669 5.660000 11SWASP J174041.18+311714.9 265.171611 31.287483 5.730000 11SWASP J170217.10+315302.7 255.571286 31.884108 5.770000 21SWASP J172644.24+481536.2 261.684339 48.260064 5.770000 11SWASP J164351.68+340219.6 250.965361 34.038803 5.860000 21SWASP J103151.37+322246.3 157.964064 32.379553 5.860000 1

  20. WASP Query Language (WQL) # Example WQL query # load database tables (main table available by default) using photsummary # select attributes to be returned display obj_id, ra, declination, usno_rmag1, npts # format for output file qdat/text/html format text # filters filter npts > 0 filter usno_rmag1 < 10.0

  21. Catalogue tables Root (available by default)

  22. Catalogue tables Photsummary (derived from WASP data) Fieldnames

  23. Catalogue tables GCVS (cross-correlations) Also Veron, ROSAT… Analysis results…

  24. wcatquery > wcatquery –qryfile=filename.qry 1SWASP J141609.92+512202.0 214.041369 51.367231 4.640000 11SWASP J152617.38+342009.5 231.572433 34.335994 4.650000 11SWASP J173055.37+310929.2 262.730717 31.158136 5.110000 11SWASP J165258.05+314206.0 253.241906 31.701675 5.180000 11SWASP J170136.36+333405.7 255.401503 33.568267 5.260000 11SWASP J170330.21+352450.5 255.875897 35.414053 5.460000 21SWASP J163102.78+351330.2 247.761597 35.225061 5.480000 51SWASP J113832.32+333733.0 174.634678 33.625833 5.520000 11SWASP J103330.91+345919.2 158.378794 34.988694 5.540000 21SWASP J153848.85+344030.1 234.703547 34.675039 5.570000 41SWASP J173608.10+281106.3 264.033756 28.185089 5.590000 21SWASP J165043.14+323313.2 252.679792 32.553667 5.610000 21SWASP J103752.26+340443.0 159.467772 34.078625 5.630000 11SWASP J173149.58+282426.9 262.956586 28.407494 5.650000 21SWASP J123347.41+332304.8 188.447561 33.384669 5.660000 11SWASP J174041.18+311714.9 265.171611 31.287483 5.730000 11SWASP J170217.10+315302.7 255.571286 31.884108 5.770000 21SWASP J172644.24+481536.2 261.684339 48.260064 5.770000 11SWASP J164351.68+340219.6 250.965361 34.038803 5.860000 21SWASP J103151.37+322246.3 157.964064 32.379553 5.860000 1

  25. Archive contents: 11 Feb 2006 pl_sky.qin 6,712,926 stars

  26. Analysis tasks • Individual light curves • Variability selection • Period searches • Advanced/custom analysis

  27. Individual objects cone 220.5 31.1 0.005 cone 08h30m 45d15m30s 15s cone "Her X-1" 0.25m > wcatquery –qryfile=filename.qry 1SWASP J165749.80+352032.8 254.457536 35.342456 13.880000 1072 > wlcextract –object=’1SWASP J165749.80+352032.8’ > ls 1SWASPJ165749.80+352032.8.fits . . . # filters

  28. Her X-1 Flux2 Rmag~13.9 pl_lc_all.qin

  29. pl_lc.qin

  30. pl_lc_nights.qin

  31. pl_lomb.qin

  32. pl_lomb.qin

  33. pl_lfold.qin

  34. Analysis tasks • Individual light curves • Variability selection • Period searches • Advanced/custom analysis

  35. pl_sky.qin

  36. pl_sky.qin

  37. pl_sky.qin

  38. pl_sky.qin

  39. pl_sky.qin

  40. wcatquery . . . # select attributes to be returned display obj_id, ra, declination, usno_rmag1, \ npts, flux_mean, flux_chisq, blend_fraction # filters filter field = “SW1543+3126” # remembering to load all necessary database tables using photsummary, fieldnames

  41. pl_chi_lc3.qin

  42. pl_chi_lc3.qin Blend fraction < 6 % Blend fraction > 10 %

  43. Ghost images

  44. pl_chi_lc3.qin

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