# File name: candels/goods-n/gn07/v0.5/hlsp_candels_hst_wfc3_gn07_f160w_v0.5_drz.fits # (Note, delivered prior to Spring 2013 delivery requirements) SIMPLE = T BITPIX = -32 NAXIS = 2 NAXIS1 = 20480 NAXIS2 = 20480 FILENAME= 'hlsp_candels_hst_hst_candels-v0.5_wfc3_f160w_drz.fits' / MAST HLSP Fi COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H CTYPE1 = 'RA---TAN' CTYPE2 = 'DEC--TAN' CRVAL1 = 189.228621 CRVAL2 = 62.238572 CRPIX1 = 10340.5 CRPIX2 = 10240.5 CDELT1 = -1.666667E-5 CDELT2 = 1.666667E-5 CROTA2 = 0 CD1_1 = -1.666667E-5 CD2_1 = 0. CD1_2 = 0. CD2_2 = 1.666667E-5 FILETYPE= 'SCI ' / type of data found in data file TELESCOP= 'HST ' / telescope used to acquire data INSTRUME= 'WFC3 ' / identifier for instrument used to acquire data EQUINOX = 2000.0 / equinox of celestial coord. system / DATA DESCRIPTION KEYWORDS IMAGETYP= 'EXT ' / type of exposure identifier PRIMESI = 'WFC3 ' / instrument designated as prime / PROPOSAL INFORMATION PROPOSID= 12442 / PEP proposal identifier PR_INV_L= 'Faber ' / last name of principal investigator PR_INV_F= 'Sandra ' / first name of principal investigator PR_INV_M= 'M. ' / middle name / initial of principal investigat / INSTRUMENT CONFIGURATION INFORMATION OBSTYPE = 'IMAGING ' / observation type - imaging or spectroscopic OBSMODE = 'MULTIACCUM' / operating mode SCLAMP = 'NONE ' / lamp status, NONE or name of lamp which is on NRPTEXP = 1 / number of repeat exposures in set: default 1 SUBARRAY= F / data from a subarray (T) or full frame (F) SUBTYPE = 'FULLIMAG' / Size/type of IR subarray DETECTOR= 'IR ' / detector in use: UVIS or IR FILTER = 'F160W ' / element selected from filter wheel APERTURE= 'IR-FIX ' / aperture name PROPAPER= ' ' / proposed aperture name DIRIMAGE= 'NONE ' / direct image for grism or prism exposure / CALIBRATION SWITCHES: PERFORM, OMIT, COMPLETE, SKIPPED DQICORR = 'COMPLETE' / data quality initialization ZSIGCORR= 'COMPLETE' / Zero read signal correction ZOFFCORR= 'COMPLETE' / subtract MULTIACCUM zero read DARKCORR= 'COMPLETE' / Subtract dark image BLEVCORR= 'COMPLETE' / subtract bias level computed from ref pixels NLINCORR= 'COMPLETE' / correct for detector nonlinearities FLATCORR= 'COMPLETE' / flat field data CRCORR = 'COMPLETE' / identify cosmic ray hits UNITCORR= 'COMPLETE' / convert to count rates PHOTCORR= 'COMPLETE' / populate photometric header keywords RPTCORR = 'OMIT ' / combine individual repeat observations DRIZCORR= 'PERFORM ' / drizzle processing / ENGINEERING PARAMETERS CCDAMP = 'ABCD ' / CCD Amplifier Readout Configuration CCDGAIN = 2.5 / commanded gain of CCD CCDOFSAB= 190 / commanded CCD bias offset for amps A&B CCDOFSCD= 190 / commanded CCD bias offset for amps C&D / CALIBRATED ENGINEERING PARAMETERS ATODGNA = 2.3399999E+00 / calibrated gain for amplifier A ATODGNB = 2.3699999E+00 / calibrated gain for amplifier B ATODGNC = 2.3099999E+00 / calibrated gain for amplifier C ATODGND = 2.3800001E+00 / calibrated gain for amplifier D READNSEA= 2.0200001E+01 / calibrated read noise for amplifier A READNSEB= 1.9799999E+01 / calibrated read noise for amplifier B READNSEC= 1.9900000E+01 / calibrated read noise for amplifier C READNSED= 2.0100000E+01 / calibrated read noise for amplifier D BIASLEVA= 0.000000 / bias level for amplifier A BIASLEVB= 0.000000 / bias level for amplifier B BIASLEVC= 0.000000 / bias level for amplifier C BIASLEVD= 0.000000 / bias level for amplifier D / PHOTOMETRY KEYWORDS PHOTMODE= 'WFC3 IR F160W' / observation con PHOTFLAM= 1.9275707E-20 / inverse sensitivity, ergs/cm2/Ang/electron PHOTFNU = 1.5187624E-07 / inverse sensitivity, Jy*sec/electron PHOTZPT = -2.1100000E+01 / ST magnitude zero point PHOTPLAM= 1.5369161E+04 / Pivot wavelength (Angstroms) PHOTBW = 8.2626520E+02 / RMS bandwidth of filter plus detector / World Coordinate System and Related Parameters WCSAXES = 2 / number of World Coordinate System axes LTV1 = 0.0000000E+00 / offset in X to subsection start LTV2 = 0.0000000E+00 / offset in Y to subsection start LTM1_1 = 1.0 / reciprocal of sampling rate in X LTM2_2 = 1.0 / reciprocal of sampling rate in Y HISTORY HISTORY ------------------------------------------------------------------ HISTORY HISTORY CANDELS: HISTORY The Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey HISTORY ================================================================== HISTORY HISTORY CANDELS (Grogin et al. 2011; Koekemoer et al. 2011) is a 902-orbit HISTORY HST Multi-Cycle Treasury program designed to document the evolution HISTORY of galaxies and black holes across cosmic time. HISTORY HISTORY Survey Project leads: PI. S. M. Faber; Co-PI. H. C. Ferguson HISTORY HISTORY Website: http://candels.ucolick.org/ HISTORY HISTORY Survey and Data papers - please cite both when referencing CANDELS: HISTORY HISTORY Grogin, N. A. et al. 2011, ApJS 197, 35 HISTORY HISTORY Koekemoer, A. M. et al. 2011, ApJS 197, 36 HISTORY HISTORY HISTORY This HST image mosaic was produced by Anton M. Koekemoer, using the HISTORY MultiDrizzle and MosaicDrizzle software (Koekemoer et al. 2002, 2011). HISTORY The mosaic has a scale of 0.03"/pixel, with north toward the top. HISTORY HISTORY We encourage the entire community to make full use of these mosaics. HISTORY The two survey/data papers (Grogin et al. 2011; Koekemoer et al. 2011) HISTORY provide a full description of the CANDELS project and the HST data; HISTORY please cite both papers together when referencing the CANDELS project. HISTORY HISTORY HISTORY The MosaicDrizzle pipeline is also described in the aforementioned HISTORY Koekemoer et al. (2011) paper, while the original reference for HISTORY MultiDrizzle is Koekemoer et al. (2002), which makes use of Drizzle HISTORY as described in Fruchter and Hook (2002, PASP 114, 144): HISTORY HISTORY Koekemoer, A. M., Fruchter, A. S., Hook, R. N., & Hack, W. 2002, HISTORY "MultiDrizzle: An Integrated Pyraf Script for Registering, HISTORY Cleaning and Combining Images", 2002 HST Calibration Workshop, ed. HISTORY S. Arribas, A. M. Koekemoer, B. Whitmore (STScI: Baltimore), 337 HISTORY HISTORY ------------------------------------------------------------------- HISTORY END