File:Ngc4845-hst-606R814GB450.jpg

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描述Ngc4845-hst-606R814GB450.jpg	English: Color rendering is done by by Aladin-software (2000A&AS..143...33B.)
来源	datafile from http://hla.stsci.edu/hlaview.html
作者	Own work
授权 (二次使用本文件)	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.
其他版本	http://hla.stsci.edu/hlaview.html

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	日期/时间	缩⁠略⁠图	大小	用户	备注
当前	2015年2月22日 (日) 17:07		1,480 × 1,080（1.57 MB）	Fabian RRRR	rotate, crop
	2009年9月24日 (四) 00:02		1,920 × 1,600（909 KB）	Fabian RRRR	{{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=Data Use Policy Although there is no cost involved in retr

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NGC 4845

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be.wikipedia.org上的用途
- NGC 4845
en.wikipedia.org上的用途
- Herschel 400 Catalogue
- NGC 4845
eo.wikipedia.org上的用途
- NGC 4845
fa.wikipedia.org上的用途
- ان‌جی‌سی ۴۸۴۵
fr.wikipedia.org上的用途
- NGC 4910
hr.wikipedia.org上的用途
- NGC 4845
- NGC 4910
it.wikipedia.org上的用途
ja.wikipedia.org上的用途
- ハーシェル400カタログ
lb.wikipedia.org上的用途
- NGC 4845
nl.wikipedia.org上的用途
- NGC 4845
pt.wikipedia.org上的用途
- NGC 4845
tr.wikipedia.org上的用途
- NGC 4845
uz.wikipedia.org上的用途
- NGC 4845

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JPEG文件备注

SIMPLE = T / Generated by Aladin (CDS)

BITPIX = -32 / array data type NAXIS = 2 / number of array dimensions NAXIS1 = 1950 NAXIS2 = 1950 PCOUNT = 0 / number of parameters GCOUNT = 1 / number of groups CRVAL1 = 194.5148155783333 / right ascension of reference pixel (deg) CRVAL2 = 1.574015873333333 / declination of reference pixel (deg) CRPIX1 = 975.0 / x-coordinate of reference pixel CRPIX2 = 975.0 / 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 = -232.601 / minimum value of the data DATAMAX = 6734.1 / maximum value of the data 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= 49696.850701 / time of the first packet (Modified Julian Date) LPKTTIME= 49696.850867 / 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 = 313.0024 / mean bias level from EED extended register BIASEVEN= 313.0399 / bias level for even-numbered columns BIASODD = 312.965 / bias level for odd-numbered columns GOODMIN = -4.647673 / minimum value of the "good" pixels GOODMAX = 2614.625 / maximum value of the "good" pixels DATAMEAN= 3.15201 / mean value of the "good" pixels GPIXELS = 557234 / number of "good" pixels (DQF = 0) SOFTERRS= 0 / number of "soft error" pixels (DQF = 1) CALIBDEF= 82763 / number of "calibration defect" pixels (DQF = 2) STATICD = 0 / number of "static defect" pixels (DQF = 4) ATODSAT = 3 / 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= 1.899711E-18 / Inverse Sensitivity PHOTZPT = -21.1 / Zero point PHOTPLAM= 6001.281 / Pivot wavelength PHOTBW = 637.7986 / RMS bandwidth of the filter MEDIAN = 2.666079 / middle data value when good qual pixels sorted MEDSHADO= -3.349791 / median pixel value in shadow of pyramid edge HISTWIDE= 1.944761 / width of the histogram SKEWNESS= 0.008070712 / skewness of the histogram MEANC10 = 8.359931 / mean of a 10x10 region at center of chip MEANC25 = 7.873443 / mean of a 25x25 region at center of chip MEANC50 = 7.658575 / mean of a 50x50 region at center of chip MEANC100= 7.854312 / mean of a 100x100 region at center of chip MEANC200= 7.126775 / mean of a 200x200 region at center of chip MEANC300= 5.610711 / mean of a 300x300 region at center of chip BACKGRND= 2.630338 / estimated background level EXTNAME = 'SCI ' / extension name EXPNAME = 'u29r2l02t' / 9 character exposure identifier EXTVER = 1 / extension version number INHERIT = T / inherit the primary header ROOTNAME= 'u29r2l02t' / rootname of the observation set OCRVAL1 = 194.506167696 / right ascension of reference pixel (deg) OCRVAL2 = 1.57682121228 / 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 = 1.19358E-05 / partial of the declination w.r.t. y OCD2_1 = -4.1753E-06 / partial of the declination w.r.t. x OORIENTA= -19.27268193703152 / orientation of the image (deg) OCTYPE1 = 'RA---TAN' / first coordinate type OCD1_1 = -1.19411E-05 / partial of the right ascension w.r.t. x OCD1_2 = -4.17347E-06 / partial of the right ascension w.r.t. y OCTYPE2 = 'DEC--TAN' / second coordinate type WCSCDATE= '23:46:40 (23/06/2008)' / Time WCS keywords were copied. A_0_2 = -1.781936618455312E-06 B_0_2 = -3.330565558627234E-06 A_1_1 = -1.909723009624845E-06 B_1_1 = -2.100512218734635E-06 A_2_0 = -3.721121778314665E-06 B_2_0 = -1.977210665839373E-06 A_0_3 = -4.708244092731989E-12 B_0_3 = -3.654036194751162E-08 A_1_2 = -3.58179954549446E-08 B_1_2 = 5.049688582125052E-10 A_2_1 = 4.447022430208677E-10 B_2_1 = -3.616085262347929E-08 A_3_0 = -3.598500057699425E-08 B_3_0 = -6.438240494362711E-11 A_ORDER = 3 B_ORDER = 3 O_CRVAL1= 194.5156356 O_CRVAL2= 1.5740987 G_CRVAL1= 194.5159506919445 / GSC2 CRVAL1 G_CRVAL2= 1.5741511575 / GSC2 CRVAL2 G_DRA = 1.134331 / GSC2 delta RA in arcsec G_DDEC = 0.188847 / GSC2 delta DEC in arcsec G_RMSRA = 0.0 / GSC2 rms in arcsec G_RMSDEC= 0.0 / GSC2 rms in arcsec G_NMATCH= 0 / GSC2 number of sources S_CRVAL1= 194.5148068888889 / SDSS CRVAL1 S_CRVAL2= 1.5739777925 / SDSS CRVAL2 S_DRA = -2.98336 / SDSS delta RA in arcsec S_DDEC = -0.435267 / SDSS delta DEC in arcsec S_RMSRA = 0.141212 / SDSS rms in arcsec S_RMSDEC= 0.7293230000000001 / SDSS rms in arcsec S_NMATCH= 5 / SDSS number of sources T_CRVAL1= 194.5148155783333 / 2MASS CRVAL1 T_CRVAL2= 1.574015873333333 / 2MASS CRVAL2 T_DRA = -2.952078 / 2MASS delta in arcsec T_DDEC = -0.298176 / 2MASS delta in arcsec T_RMSRA = 0.084715 / 2MASS rms in arcsec T_RMSDEC= 0.173722 / 2MASS rms in arcsec

T_NMATCH= 2 / 2MASS number of sources

File:Ngc4845-hst-606R814GB450.jpg

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