WIRwolf: A pipeline for calibrating and stacking WIRCam data

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Overview - Stack everything worth stacking - Astrometric calibration: 2MASS as reference - Photometric calibration: 2MASS as reference - Background subtraction: local double pass or 'I'wii - Resampling/scaling: SWarp - Image combination: artificial skepticism Stephen Gwyn Canadian Astronomy Data Centre
Astrometry - MegaPipe astrometric software converted to WIRwolf - only small modifications necessary - First filter in group: - Individual images matched to 2MASS - Merge catalogs - Match images to merged catalog for improved internal astrometry - Subsequent filters in group: - Use first stack - Astrometric residuals to 2MASS typically 0.15'' - Internal astrometric residuals typically 0.04'' Stephen Gwyn Canadian Astronomy Data Centre
Page 1 and 2: WIRwolf: A pipeline for calibrating
Page 3 and 4: Background: MegaPipe Latitude Longi
Page 5: WIRCam archival data - On the sky s
Page 9 and 10: Photometry: aperture choice What ki
Page 11 and 12: Photometry: uncertainties - Compare
Page 13 and 14: Resampling and combination - Images
Page 15 and 16: Production over 1200 WIRcam pointin
Page 17: Distribution http://www.cadc.hia.nr

WIRwolf: A pipeline for calibrating and stacking WIRCam data

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