星系形態(tài)星表數(shù)據(jù)描述-全文預(yù)覽
【正文】 terLE_DX_GIM2Dfloat99% conf. lower error on DX_GIM2DUE_DX_GIM2Dfloat99% conf. upper error on DX_GIM2DDY_GIM2Dfloatarcsecondsyoffset of GIM2Dmodel center from ACScoordinate centerLE_DY_GIM2Dfloat99% conf. lower error on DY_GIM2DUE_DY_GIM2Dfloat99% conf. upper error on DY_GIM2DSERSIC_N_GIM2DfloatGIM2D Sersic indexLE_N_GIM2Dfloat99% conf. lower error on SERSIC_N_GIM2DUE_N_GIM2Dfloat99% conf. upper error on SERSIC_N_GIM2DR_0P5_GIM2DfloatarcsecondsGIM2D halflight radius of object without PSF convolutionCHI_GIM2Dfloatreduced CHI2 of the best GIM2D model fitITER_GIM2Dfloatno. of iterations required for GIM2D fit to convergePC_1floatZEST first principal ponentPC_2floatZEST second principal ponentPC_3floatZEST third principal ponentTYPEfloatZEST Type CLASS1 = Early type2 = Disk3 = Irregular Galaxy9 = no classificationBULGfloatZEST Bulgeness CLASS only for Type 2 (disk) galaxies.0 = bulge dominated galaxy1,2 = intermediatebulge galaxies3 = pure disk galaxy9 = no classificationIRREfloatZEST Irregularity CLASS only for Type 1 (elliptical) galaxies0 = regular1 = irregular9 = no valueELLIfloatZEST Ellipticity CLASS, 0 = facon, 1,2 = increasingly higher elongation, 3 = edgeon, 9 = no classification of elongationSTELLARITYfloatVisual Stellarity flag.0 if ACS_CLASS_STAR (object is ASSUMED to be a galaxy。 pass of SExtractor.0 = Detection from 39。s ACS catalog (cut at the limits mentioned above)Notes:(a) All ACS_parameter columns
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