The instrument characteristics as known in 1994 march are detailed for the general observer in the wfpc2 instrument handbook burrows et al. Before hubbles launch, work had already begun on the construction of the second generation camera, wfpc2. Quantum efficiency is defined as the percentage or fraction of incident photons that are. Because the 34th row eect is also a geometrical eect. Instructions for lab 6 faq for lab 6 lecture on research ethics due at noon, dec. Wfpc2 instrument handbook shows that the throughput of the f450w ltertelescopedetector system peaks near the o iii jj4959, 5007 lines and covers an o iii radial velocity range of more than 8000 km s1. November report, and additional papers on wfpc2 photo metry, image quality, and ccd performance. Transformations between stis lp magnitudes and wfpc2 f606w and f814w magnitudes1. Quantum efficiency qe and spectral response how much light are you wasting. For acshrc, foc, fos, ghrs, nicmos, and wfpc2, no further improvements in the calibration for these instruments are expected.
We wished to compare the images at full pc resolution to study smallscale structure in the optical snr. For more information please see chapter 6 in the cos instrument handbook. Early calibration results obtained in this fashion have been published previously for the earlier instrument wfpc hu 1993 and for the wfpc2 oidell 1998, but these were eeeeeeeeeeeeeee 2 availableat. Wide field and planetary camera 2 instrument handbook. Wfpc2 instrument handbook academic technology and outreach. Pdf the hubble space telescope 1 wfpc2 bband parallel. Each chip was corrected for geometric distortions using the trauger wavelengthdependent coefficients in the stsdas. Qe curve for hst wfpc2 hst cycle 14 wfpc2 instrument handbook note that for groundbased data, you have to account for both the qe curve and the atmospheric transmission. Phase 2 pdf is similar to the pdfformatted proposal file obtained from apts pdf. The resulting correction is significantly more accurate than that provided in the wfpc2 instrument handbook dolphin 2002 and updates through 2004, resulting in photometry that can be enhanced by over 5% in certain circumstances. Final calibration and reprocessing of the wfpc2 archive. It is presented as an independent and selfcontained document, based.
Andromeda ii was imaged with the wfpc2 instrument aboard the hubble space telescope on 1997 august 29 and again, at the same orientation, on 1997 september 3 as per. Jupiters polar regions in the ultraviolet as imaged by. On the accuracy of the sn estimates obtained with the. The contribution of the total noise to the photometry of a star depends upon the number of pixels in the point spread function psf and how these pixels are weighted during data reduction. Feb 01, 2000 jupiters polar regions are examined using ultraviolet uv, 120320 nm images obtained with the hubble space telescope wide field and planetary camera 2 over the period of 19941997. A revised characterization of the wfpc2 cte loss core. The instrument is a twodimensional imaging photometer, located at the center of the hubble. Comprehensive photometry of the rings and 16 satellites of. Publications of the astronomical society of the pacific.
Figure courtesy of zolt levay references gonzaga, s. Handbook ford 1985, the supplement to the version 1. Wfpc2 was installed on board hst during the first servicing mission in december 1993. Wide field camera 3 instrument minihandbook for cycle 12.
The lter is onlyweaklysensitivetooiijj3726,3729lineemissionat about 10% of the transmission at 5007 signicant cona. Instrument science report wfpc2 9803, space telescope science institute, baltimore. Only the current document should be used for cycle 6. Wfpc2 instrument handbook update for cycle 15 in html and pdf. The locations of bright stars were then measured on each set one for each combination of lter, position and ccd to. Phase 2 pdf is similar to the pdf formatted proposal file obtained from apts pdf. Background to the wfpc2 the original wide field and planetary camera wfpc1 was a two. All of the m49 observations were obtained with the telescope guiding in. Gonzaga, 1998, wfpc2 longterm photometric stability. Please refer to the cos instrument handbook for important factors concerning cos observations in this wavelength range.
For a technical description of the instrument s properties, performance, operations, and calibration, please refer to the wfc3 instrument handbook. It was installed as a replacement for the wide field and planetary camera 2 during the first spacewalk of space shuttle mission sts125 hubble space telescope servicing mission 4 on may 14, 2009. Calibration of hubble space telescope wfpc2 emissionline. Dither package and then flux calibrated using the methods described in the wfpc2 instrument handbook biretta et al. Introduction to the hubble space telescope data handbooks. The user is provided with a copy of the raw and final calibrated data from the archive once a request is made. Wide field and planetary camera 2 instrument handbook for.
F439w wfpc2 377 f555w wfpc2 27 f658n acswfc 37 f110w wfc3ir 387 f160w wfc3ir 384 table 2. This handbook is designed to help you manipulate, process and analyze data from the wide field and planetary camera 2 wfpc2 instrument onboard the hubble space telescope hst. Supported data analysislogistical needs of the observers using hubble by writing and editing. Optical system the wfpc2 field of view is divided into four contiguous. This handbook is designed to help you manipulate, process and analyze data from the wide field and planetary camera 2 wfpc2 instrument onboard the. We also describe the plans for future calibration of wfpc2. Discovery efficiencies of the cameras, defined as the system throughput multiplied by the field of view area, are shown below. Jupiters cloud structure as constrained by galileo probe and. The book is presented as an independent and selfcontained document, extensively based on the contents of an older edition version 3. To read the fulltext of this research, you can request a copy directly from the authors.
Groups of magnitudes that were measured during the same system orbit are indicated by the same symbol. Astrometric and photometric corrections for the 34th row. We present two new epochs of data from the hubble space telescope taken in 2008 and 2010 and combine that with a reanalysis of previously published data from 1992 and. Update to the wfpc2 instrument handbook for cycle 9 calibration plans. Publications of the astronomical society of the pacific the. Update to the wfpc2 instrument handbook for cycle 9. Pdf version table of contents expand all collapse all user support. Neptunes atmospheric circulation and cloud morphology. Wfpc2 and the hubble space telescope provide significant. Provided access to current instrument information by redesigning and editing the wfpc2 website.
Wfpc2 was installed during the first hst servicing mission in 1993 and removed during servicing mission 4 in 2009. Background to the wfpc2 the original wide field and planetary camera wfpc1 was a twodimensional spectrophotometer with rudimentary polarimetric and transmissiongrating capabilities. For hsp and wfpc1, no calibration has been done nor is any planned. The resulting correction is significantly more accurate than that provided in the wfpc2 instrument handbook dolphin 2002 and updates through 2004, resulting in photometry that can be enhanced by. The instrument is a two dimensional imaging photometer, located at the center of the hubble. Further details about the instrument can be found in the hst wfpc2 instrument handbook biretta et al. We discuss the optical and thermal history, the instrument throughput and stability, the psf, the effects of. Hst cycle 27 primer scientific instrument comparisons. Resid 2 updates to the wfpc2 instrument handbook can be. This number is in excellent agreement with tion, using the morpho package of odewahn et al. Jun 19, 2009 finally, a reanalysis of the cte dependencies on counts, background, and observation date was made. The reduction of the m49 frames followed the standard pipeline maintained by the space telescope. Therstsetofobservationsconsisted of three 1200 s integrations through the f555w widev lterandseven0 sintegrationsthroughthef450w.
The wfpc2 instrument handbook was used to determine the secondary terms, while the primary coefficients were determined to be 3. This data handbook, along with the wfpc2 instrument. The detectors are described in detail by harms et al 1979 and harms 1982. Hst cycle 27 primer scientific instrument comparisons hst. Wide field and planetary camera 2 instrument handbook for cycle 14. The instrument is designed to be a versatile camera capable of imaging astronomical targets over a very wide wavelength range and with a large field of view. American astronomical society provided by the nasa. Facilitated timely access to latest instrument information for observers by managing edits for the wfpc2 instrument handbook.
Wfpc2 introduction how to use this handbook this handbook is designed to help you process and analyze data from the wide field and planetary camera 2 wfpc2 instrument which was onboard the hubble space telescope hst from december 1993 to may 2009. Jupiters polar regions in the ultraviolet as imaged by hst. I work almost exclusively on wfpc2 projects and have worked on both currently and in the past. Jupiters cloud structure as constrained by galileo probe. Different bruzual models were used see the synphot manual to create thi. Please see the instrument handbook for a complete detail and spectral. Furthermore, while acswfc is blind at wavelengths shorter than approximately 400 nm namely.
Contributed to early public access to data collected in the hubble. Authors for hubble space telescope observations of oxygen. We present a detailed analysis of the orbit of charon where we show its orbit to be circular. Wfpc2 16 organization of this handbook 18 whats new in version 5. Andromeda ii was imaged with the wfpc2 instrument aboard the hubble space telescope on 1997 august 29 and again, at the same orientation, on 1997 september 3 as per ourgoprogram6514. Different bruzual models were used see the synphot manual to create this. Cos is optimized for observing faint point source targets, making it the instrument of choice for such objects.
Pdf the orbit of charon is circular semantic scholar. This section includes the wfpc2 instrument handbook, the hst data handbook wfpc2 version, data analysis tutorial postscript and pdf, the the dither handbook, instrument science reports, technical instrument reports, wfpc2 stan, wfpc2 related conference proceedings and posters, and more. Publications of the astronomical society of the pacific 107. A revised characterization of the wfpc2 cte loss request pdf. For acshrc, foc, fos, ghrs, nicmos, and wfpc2, no further improvements in the calibration for. This analysis explores the effects of surface albedo variations on the astrometry and the resulting errors in the orbital elements. Wfpc2 data handbook space telescope science institute. In this paper we describe the onorbit performance of the wfpc2. This version of the fos instrument handbook is for the postcostar. Improved access to current instrument information by redesigning and editing the wfpc2 website.
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