Instrument Science Report ACS 2015 05 Basic Use of SExtractor Catalogs With TweakReg II Ray A Lucas May 27 2015 ABSTRACT The TweakReg task in the DrizzlePac software package for aligning and drizzling images is an effective tool for the initial processing of HST images However the internal object finding software which it uses to generate catalogs to be used for object matching and alignment ImageFindPars is based on the well known stellar oriented daofind routi
Using SExtractor With the Drizzlepac Tweakreg Software marung for Aligning and Combining Sources in HST ACS Images Hes Ray A LUCAS Bryan Hilbert and Warren Hack 1 Space Telescope Science Institute Baltimore MD ABSTRACT The Tweakreg software which is part of the new STScl Drizzlepac software for aligning and combining images has initially relied upon a daofind like algorithm which is tuned to finding stellar sources to use for image alignment This works we
SEXTRACTOR v2 5 User s manual E BERTIN Institut d Astrophysique amp Observatoire de Paris Contents 1 What is SEXTRACTOR 5 2 Installing the software 5 2 1 Software and hardware requirements 5 2 2 Obtaining EXTRACTOR 2 ide ia a AA bee SM a 6 23 Installations sui 2 hein es LR ee ns RA GO Ae 20e el 6 3 Using SEXTRACTOR 6 dl Syntax 2 Hd ae Se See da Me 2 eee Ee Ades See a ae a Ae bead ven 6 3 2 The configuration files pa e