星系形態(tài)星表數(shù)據(jù)描述(編輯修改稿)
2024-09-19 03:48 本頁面
【文章內(nèi)容簡介】 on ACS tileACS_ALPHAPEAK_floatdegreesRA of object peak fluxACS_DELTAPEAK_floatdegreesDec of object peak fluxACS_A_IMAGEfloatSExtractor semimajor axisACS_B_IMAGEfloatSExtractor semiminor axisACS_THETA_IMAGEfloatSExtractor position angleACS_ELONGATIONfloatSExtractor a/b [semimajor axis / semi minor axis]ACS_CLASS_STARfloatSExtractor stellarity parameterACS_IDENTfloatUnique number that identifies objectACS_SEfloat1 = Detection from 39。hot39。 pass of SExtractor.0 = Detection from 39。cold39。 pass of SExtractor.ACS_MU_CLASSfloatType of object.1 = galaxy2 = star3 = spuriousACS_OVERLAPfloatObject overlap flag. All objects here have overlap =1 . no overlap.ACS_NEARSTARfloatObject in star mask flag. All the objects in this morphological catalog have nearstar = 1 which means they are not in a star mask.ACS_MASKfloatObject in automatic mask flag.2 = star used to make automatic maskACS_MASKEDfloatObject in manual mask flag.1 = manual mask (astrophysical obj)0 = manual mask (artifact or image defect)1 = not in manual maskACS_CLEANfloatObject useable flag.0 = do not use this object1 = use this objectACS_UNIQUEfloatObject unique flag. All the objects in this morphological catalog have unique = 1 which means they are all unique in the original ACS catalog.GGfloatZEST Gini coefficientM20floatZEST second order moment of the 20% brightest pixelsCCfloatZEST concentrationAAfloatZEST asymmetryR20floatpixelsZEST semimajor axis length of ellipse
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