File:NGC 4498 hst 05446 606.png

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DescriptionNGC 4498 hst 05446 606.png	English: Color rendering is done by by Aladin-software (2000A&AS..143...33B.)
Source	datafile from http://hla.stsci.edu/hlaview.html
Author	Own work
Permission (Reusing this file)	ACKNOWLEDGMENT FOR PUBLICATIONS All refereed publications based on data obtained from the HLA are requested to carry the following footnote: Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). In addition, publications of research supported by an STScI grant must carry the following acknowledgment: Support for Program number ____________ was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Incorporated, under NASA contract NAS5-26555.
Other versions	http://hla.stsci.edu/hlaview.html

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:30, 21 December 2014		1,075 × 1,075 (1.04 MB)	Fabian RRRR	rotate, crop
	16:51, 21 December 2014		1,650 × 1,650 (972 KB)	Fabian RRRR	== {{int:filedesc}} == {{Information \|Description={{en\|1=Color rendering is done by by Aladin-software (2000A&AS..143...33B.)}} \|Source=datafile from http://hla.stsci.edu/hlaview.html \|Author=Own work \|Date= \|Permission=ACKNOWLEDGMENT FOR PUBLICATIONS...

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NGC 4498

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Metadata

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PNG file comment	SIMPLE = T / Generated by Aladin (CDS) BITPIX = 8 / Bits per pixel NAXIS = 2 / number of array dimensions NAXIS1 = 1650 NAXIS2 = 1650 PCOUNT = 0 / number of parameters GCOUNT = 1 / number of groups CRVAL1 = 187.9082664730556 / right ascension of reference pixel (deg) CRVAL2 = 16.85865524916667 / declination of reference pixel (deg) CRPIX1 = 825.0 / x-coordinate of reference pixel CRPIX2 = 825.0 / y-coordinate of reference pixel CD1_1 = -2.777777777777778E-05 / partial of the right ascension w.r.t. x CD1_2 = 0.0 / partial of the right ascension w.r.t. y CD2_1 = 0.0 / partial of the declination w.r.t. x CD2_2 = 2.777777777777778E-05 / partial of the declination w.r.t. y DATAMIN = -3063.615 / minimum value of the data DATAMAX = 204422.3 / maximum value of the data VAFACTOR= 1.0 / velocity aberration plate scale factor MIR_REVR= T / is the image mirror reversed? ORIENTAT= 0.0 / orientation of the image (deg) FILLCNT = 0 / number of segments containing fill ERRCNT = 0 / number of segments containing errors FPKTTIME= 49847.034034 / time of the first packet (Modified Julian Date) LPKTTIME= 49847.03420100001 / time of the last packet (Modified Julian Date) CTYPE1 = 'RA---TAN' / first coordinate type CTYPE2 = 'DEC--TAN' / second coordinate type DETECTOR= 1 / CCD detector: PC 1, WFC 2-4 DEZERO = 313.9027 / mean bias level from EED extended register BIASEVEN= 313.9375 / bias level for even-numbered columns BIASODD = 313.868 / bias level for odd-numbered columns BIASEVNU= 0 / uncorrected bias level for even-numbered column BIASODDU= 0 / uncorrected bias level for odd-numbered columns GOODMIN = -5.45093 / minimum value of the "good" pixels GOODMAX = 2466.143 / maximum value of the "good" pixels DATAMEAN= 1.478148 / mean value of the "good" pixels GPIXELS = 557578 / number of "good" pixels (DQF = 0) SOFTERRS= 0 / number of "soft error" pixels (DQF = 1) CALIBDEF= 82422 / number of "calibration defect" pixels (DQF = 2) STATICD = 0 / number of "static defect" pixels (DQF = 4) ATODSAT = 0 / number of "AtoD saturated" pixels (DQF = 8) DATALOST= 0 / number of "data lost" pixels (DQF = 16) BADPIXEL= 0 / number of "generic bad" pixels (DQF = 32) OVERLAP = 0 / number of "image overlap" pixels (DQF = 64) PHOTMODE= 'WFPC2,1,A2D7,F606W,,CAL ' / Photometry mode PHOTFLAM= 2.668108146067416E-19 / Inverse Sensitivity PHOTZPT = -21.1 / Zero point PHOTPLAM= 6001.288 / Pivot wavelength PHOTBW = 637.8065 / RMS bandwidth of the filter MEDIAN = 1.018749 / middle data value when good qual pixels sorted MEDSHADO= -2.317944 / median pixel value in shadow of pyramid edge HISTWIDE= 1.179909 / width of the histogram SKEWNESS= 0.2431299 / skewness of the histogram MEANC10 = 1.515023 / mean of a 10x10 region at center of chip MEANC25 = 1.45676 / mean of a 25x25 region at center of chip MEANC50 = 1.454969 / mean of a 50x50 region at center of chip MEANC100= 1.533155 / mean of a 100x100 region at center of chip MEANC200= 1.943449 / mean of a 200x200 region at center of chip MEANC300= 2.005694 / mean of a 300x300 region at center of chip BACKGRND= 0.8792205 / estimated background level ZP_CORR = -0.002127818 / delta magnitude induced by UV contamination CTE_1E2 = 0 / expected delta mag from CTE for 100 e- PSF CTE_1E3 = 0 / expected delta mag from CTE for 1000 e- PSF CTE_1E4 = 0 / expected delta mag from CTE for 10000 e- PSF EXTNAME = 'SCI ' / extension name EXPNAME = 'u29r3w01t' / 9 character exposure identifier EXTVER = 1 / extension version number INHERIT = T / inherit the primary header ROOTNAME= 'u29r3w01t' / rootname of the observation set OCRVAL1 = 187.9144465099 / right ascension of reference pixel (deg) OCRVAL2 = 16.85413497842 / declination of reference pixel (deg) OCRPIX2 = 424.5 / y-coordinate of reference pixel OCRPIX1 = 420 / x-coordinate of reference pixel ONAXIS2 = 800 ONAXIS1 = 800 OCD2_2 = -1.25944E-05 / partial of the declination w.r.t. y OCD2_1 = 1.12397E-06 / partial of the declination w.r.t. x OORIENTA= 174.902438373222 / orientation of the image (deg) OCTYPE1 = 'RA---TAN' / first coordinate type OCD1_1 = 1.26E-05 / partial of the right ascension w.r.t. x OCD1_2 = 1.12348E-06 / partial of the right ascension w.r.t. y OCTYPE2 = 'DEC--TAN' / second coordinate type WCSCDATE= '07:15:36 (13/12/2009)' / Time WCS keywords were copied. OCX10 = -5.00896003912203E-07 OCX11 = 0.045536 OCY10 = 0.04553554402160644 OCY11 = 5.028540601953864E-05 BUNIT = 'COUNTS/S' / Units of science product O_CRVAL1= 187.9079086 O_CRVAL2= 16.85828625 G_CRVAL1= 187.908393915 / GSC2 CRVAL1 G_CRVAL2= 16.85817874194444 / GSC2 CRVAL2 G_DRA = 1.747134 / GSC2 delta RA in arcsec G_DDEC = -0.387029 / GSC2 delta DEC in arcsec G_RMSRA = 0.855004 / GSC2 rms in arcsec G_RMSDEC= 0.847065 / GSC2 rms in arcsec G_NMATCH= 7 / GSC2 number of sources S_CRVAL1= 187.9082664730556 / SDSS CRVAL1 S_CRVAL2= 16.85865524916667 / SDSS CRVAL2 S_DRA = 1.288343 / SDSS delta RA in arcsec S_DDEC = 1.328397 / SDSS delta DEC in arcsec S_RMSRA = 0.7168 / SDSS rms in arcsec S_RMSDEC= 0.6495649999999999 / SDSS rms in arcsec S_NMATCH= 6 / SDSS number of sources T_CRVAL1= 187.9080189344445 / 2MASS CRVAL1 T_CRVAL2= 16.85855193527778 / 2MASS CRVAL2 T_DRA = 0.397204 / 2MASS delta in arcsec T_DDEC = 0.956467 / 2MASS delta in arcsec T_RMSRA = 2.000886 / 2MASS rms in arcsec T_RMSDEC= 0.670255 / 2MASS rms in arcsec T_NMATCH= 2 / 2MASS number of sources
Horizontal resolution	28.35 dpc
Vertical resolution	28.35 dpc
File change date and time	17:28, 21 December 2014

File:NGC 4498 hst 05446 606.png

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