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301. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... ACCUM Mode . ... 5.2.1 TIME-TAG Mode . ... COS observations should be obtained in TIME-TAG mode whenever possible because it provides significant opportunities for temporal sampling, exclusion of poor quality data, and, for the FUV, improved thermal correction (by tracking the stim-pulse positions as a function of time) and background removal (by using the pulse-height information). ... Unlike TIME-TAG mode, no data may be acquired during an ACCUM readout. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy03.html -- 13.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy03.html -- 13.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy03.html -- 13.7 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy03.html -- 13.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy03.html -- 13.7 Êá -- 12.04.2016
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302. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... 5.1.1 First-Order Sensitivity . ... 5.1.11 Wavelength Accuracy . ... COS has two detectors and seven diffraction gratings (three for FUV, four for NUV), which enable high-sensitivity spectroscopy at low and moderate resolution across the FUV and NUV bands. ... In addition to the standard G130M central wavelengths, the first two rows of Table 5.1 , give the bandpass and resolution for the 1055/1096 and 1222 central wavelengths respectively. ... FUV Channel . ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy02.html -- 74.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy02.html -- 74.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy02.html -- 74.3 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy02.html -- 74.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy02.html -- 74.3 Êá -- 12.04.2016
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303. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 5: Spectroscopy with COS . ... Spectroscopy with COS . 5.1 The Capabilities of COS . 5.1.1 First-Order Sensitivity . ... 5.1.11 Wavelength Accuracy . ... ACCUM Mode . ... 5.4 Estimating the BUFFER-TIME in TIME-TAG Mode . 5.4.1 BUFFER-TIME > 110 s and BUFFER-TIME > Exposure Time . ... 5.4.3 80 s < BUFFER-TIME ˜ 110 s) . ... 5.7.2 AUTO Wavecals (when TAGFLASH is not used) . ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy01.html -- 11.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy01.html -- 11.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy01.html -- 11.7 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch05.COS_Spectroscopy01.html -- 11.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch05.COS_Spectroscopy01.html -- 11.7 Êá -- 12.04.2016
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304. ACS Reference Files
... Note that with MultiDrizzle added to the pipeline (~Sep 2004), image combination (including cosmic ray rejection) will be performed for any type of associated dataset, using the parameters contained in the MDRIZTAB reference files. ... To receive e-mail notifications of deliveries of new reference files, you can subscribe to instrument specific mailing lists. ... See the reference file delivery logsheet for more information. ... Apr 17 2003 15:06:10 GMT . ... ACS/WFC cosmic ray rejection table . ...
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Ññûëêè http://www.stsci.edu/hst/acs/News_Archive/hst/observatory/cdbs/SIfileInfo/ACS/ACSCosmicRayRejection -- 7.0 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/ACSCosmicRayRejection -- 7.0 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/observatory/crds/SIfileInfo/ACS/ACSCosmicRayRejection -- 7.0 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/ACSCosmicRayRejection -- 7.0 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/observatory/crds/SIfileInfo/ACS/ACSCosmicRayRejection -- 7.0 Êá -- 12.04.2016
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305. ACS Reference Files
These are the flat fields used by the pipeline to calibrate coronographic data for the 5 supported modes: F330W, F435W, F475W, F606W, F814W. Unsupported modes use the same flats as normal HRC images. ... For details on how to correctly set up the Archive retrieval options for reference files, check our Help page. ... File . ... Nov 10 2004 17:59:45 GMT . ... ACS/HRC f220w coron flat without dust mote . ... Feb 21 2002 18:25:14 GMT . ... ACS/HRC coronagraph f475w pol0v ground flat. m2l1111jj_pfl.fits . ...
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Ññûëêè http://www.stsci.edu/hst/acs/News_Archive/hst/observatory/cdbs/SIfileInfo/ACS/HRCCoronagraphFlats -- 42.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/HRCCoronagraphFlats -- 42.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/observatory/crds/SIfileInfo/ACS/HRCCoronagraphFlats -- 42.3 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/HRCCoronagraphFlats -- 42.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/observatory/crds/SIfileInfo/ACS/HRCCoronagraphFlats -- 42.3 Êá -- 12.04.2016
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306. Change of Supported Apertures for E230H
... HST . Change of Supported Apertures for E230H . ... Data . ... HST Overview . ... ID: A change has been made to the supported apertures for the E230H grating for Cycle 8 which could affect your unexecuted Cycle 7 visits as well. ... The 0.1X0.2 and 0.1X0.09 apertures were included as Cycle 7 supported apertures and included in the calibration plan for STIS since it was believed at the time that taller slits such as the 0.2X0.2 or 0.2X0.09 would result in order overlap in the E230H mode. ...
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Ññûëêè http://www.stsci.edu/hst/stis/documents/newsletters/hst/stis/proposing/expired_items/e230h_letter -- 20.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/stis/documents/newsletters/proposing/expired_items/e230h_letter -- 20.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/stis/proposing/expired_items/e230h_letter -- 20.6 Êá -- 12.04.2016
Ïîõîæèå äîêóìåíòû
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/stis/documents/newsletters/proposing/expired_items/e230h_letter -- 20.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/stis/proposing/expired_items/e230h_letter -- 20.6 Êá -- 12.04.2016
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307. Calibration Database System
... Reference Files . ... Reference files used by the ACS calibration pipeline (CALACS and PyDrizzle/MultiDrizzle) are updated on a regular basis. ... If you would like to receive an e-mail every time a new ACS reference file is delivered and the database is updated, you can subscribe to the acs_reffiles_upd mailing list. ... The pixels affected by these reference files are generally identified by data quality flags in the [DQ] extension of calibrated FITS data. ... ACS Distortion Correction Tables . ...
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Ññûëêè http://www.stsci.edu/hst/acs/News_Archive/hst/observatory/cdbs/SIfileInfo/ACS/reftablequeryindex -- 18.4 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/reftablequeryindex -- 18.4 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/acs/hst/observatory/cdbs/SIfileInfo/ACS/reftablequeryindex -- 18.4 Êá -- 12.04.2016
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308. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 4: Description and Performance of the COS Detectors > 4.2 The NUV MAMA Detector . ... The NUV MAMA Detector . ... 4.2.3 MAMA Dark Rate . ... The COS NUV detector is a Multi-Anode Micro-channel Array (MAMA) identical to that used for the NUV in STIS. ... Summed dark exposures show the uniformity of the NUV dark rate across the detector. ... Figure 4.8: NUV Detector Dark Rate versus Time . ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch04.COS_Detectors3.html -- 13.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors3.html -- 13.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors3.html -- 13.5 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors3.html -- 13.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors3.html -- 13.5 Êá -- 12.04.2016
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309. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 4: Description and Performance of the COS Detectors > 4.1 The FUV XDL Detector . ... The maximum count rates for the FUV detector are listed in Table 10.1 . ... Upper panel: A stellar spectrum obtained with Segment B of the COS FUV detector using the G130M grating at a central wavelength of 1309 å. The wavelength calibration (WCA) spectrum is on top, and the stellar spectrum (PSA) is below. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch04.COS_Detectors2.html -- 37.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors2.html -- 37.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors2.html -- 37.6 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors2.html -- 37.6 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors2.html -- 37.6 Êá -- 12.04.2016
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310. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 4: Description and Performance of the COS Detectors . Chapter 4: . Description and Performance of the COS Detectors . 4.1 The FUV XDL Detector . 4.1.1 XDL Properties . 4.1.2 XDL Spectrum Response . 4.1.3 XDL Dark Rate . 4.1.4 XDL Read-out Format . ... 4.1.8 Spatial Variation of the Dark Rate . 4.2 The NUV MAMA Detector . ... 4.2.3 MAMA Dark Rate . ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch04.COS_Detectors1.html -- 7.8 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors1.html -- 7.8 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors1.html -- 7.8 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch04.COS_Detectors1.html -- 7.8 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch04.COS_Detectors1.html -- 7.8 Êá -- 12.04.2016
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311. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.10 Special Cases . ... Special Cases . ... 8.10.3 Offset Target Acquisitions . ... In unusual cases, including highly uncertain target coordinates or knotty, extended sources for which high wavelength accuracy is required, an offset target acquisition, followed by an additional ACQ/IMAGE or ACQ/PEAKXD+ACQ/PEAKD on the primary target, may be employed. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions11.html -- 10.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions11.html -- 10.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions11.html -- 10.7 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions11.html -- 10.7 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions11.html -- 10.7 Êá -- 12.04.2016
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312. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.9 Recommended Parameters for all COS TA Modes . ... Always follow the first ACQ/SEARCH with an ACQ/IMAGE , ACQ/PEAKXD+ACQ/PEAKD , or a second 2 â 2 ACQ/SEARCH which uses FLUX-WT weighting. ... Use NUM-POS=5 , STEP-SIZE=0.9 , and CENTER=FLUX-WT-FLR for most ACQ/PEAKD centerings. ... For ACQ/PEAKD , use of the special parameter CENTER=DEFAULT is recommended. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions10.html -- 50.4 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions10.html -- 50.4 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions10.html -- 50.4 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions10.html -- 50.4 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions10.html -- 50.4 Êá -- 12.04.2016
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313. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.8 Centering Accuracy and Data Quality . ... Centering Accuracy and Data Quality . 8.8.1 Centering Accuracy and Wavelength Accuracy . ... Assuming that the wavelength error budget is split evenly between the COS TA and wavelength scale accuracy, the strictest pointing requirements are ±0.041 arcsec for the NUV channel and ±0.106 arcsec for the FUV channel. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions09.html -- 9.1 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions09.html -- 9.1 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions09.html -- 9.1 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions09.html -- 9.1 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions09.html -- 9.1 Êá -- 12.04.2016
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314. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.7 Exposure Times . ... 8.7.2 Dispersed-Light Acquisitions . ... Figure 8.3: Exposure Time Needed for an ACQ/IMAGE Acquisition . ... Figure 8.4: Exposure Time Needed for a Dispersed-Light Acquisition with the PSA . ... Figure 8.4 is a guide to the exposure time needed for a dispersed-light acquisition with the PSA, assuming a flat source spectrum ( F ? ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions08.html -- 8.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions08.html -- 8.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions08.html -- 8.5 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions08.html -- 8.5 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions08.html -- 8.5 Êá -- 12.04.2016
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315. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.6 ACQ/PEAKD Acquisition Mode . 8.6 . ... ACQ/PEAKD exposures are used to improve centering in the along-dispersion (AD) direction after an ACQ/PEAKXD . ... For FUV ACQ/PEAKD acquisitions, either segment A or B may be used, but use of the SEGMENT=DEFAULT (both, except for G140L) is recommended. All G140L ACQ/PEAKD acquisitions use only segment A data. ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions07.html -- 7.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions07.html -- 7.3 Êá -- 12.04.2016
[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/current/ch08.Acquisitions07.html -- 7.3 Êá -- 12.04.2016
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316. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.5 ACQ/PEAKXD Acquisition Mode . ... The target XD location is assumed to be the median position (NUV) or mean position (FUV) of the collapsed spectrum. ... If the target is centered in the aperture, but the Y walk shifts its spectrum in the XD direction, then the ACQ/PEAKXD algorithm will miscalculate its centroid and move the target away from the aperture center. ...
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317. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.4 ACQ/IMAGE Acquisition Mode . ... ACQ/IMAGE may use either the primary science aperture (PSA) or the bright object aperture (BOA) and either MIRRORA or MIRRORB. ... The lamp and target images of MIRRORA and MIRRORB images are offset, and vary from exposure to exposure. ... The limits of each plot represent the 170 â 170 pixel image used by ACQ/IMAGE. ...
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions05.html -- 11.6 Êá -- 12.04.2016
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318. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.3 ACQ/SEARCH Acquisition Mode . ... This Figure shows the 2 â 2, 3 â 3, 4 â 4, and 5 â 5 spiral search patterns executed with the default STEP-SIZE of 1.767 arcsec. ... Analysis of COS acquisitions indicate that a single ACQ/SEARCH acquisition, whether spectroscopic or imaging, provides a centering accuracy of 0.3 arcsec only 75% of the time. ... arcsec) . ...
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319. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.2 Target Acquisition Overview . ... Target Acquisition Overview . ... ACQ/SEARCH performs a spiral search by executing individual exposures at each point in a square grid pattern on the sky (details are in Section 8.3 ). This mode can use either dispersed-light or imaging exposures. ... Table 8.1: Basic COS Target Acquisition Strategies . ... ACQ/IMAGE . ...
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Ññûëêè http://www.stsci.edu/hst/cos/design/hst/cos/documents/handbooks/current/ch08.Acquisitions03.html -- 32.1 Êá -- 12.04.2016
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions03.html -- 32.1 Êá -- 12.04.2016
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320. COS Instrument Handbook
COS Instrument Handbook for Cycle 24 . ... Cosmic Origins SpectrographInstrument Handbook for Cycle 24 > Chapter 8: Target Acquisitions > 8.1 Introduction . 8.1 . ... This chapter discusses the available target-acquisition (TA) methods, demonstrates the dependence of data quality on centering accuracy, and recommends acquisition scenarios for various combinations of target coordinate accuracy and brightness. ... Moving targets require an acquisition at the beginning of each orbit. ...
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[ Ñîõðàíåííàÿ êîïèÿ ] Ññûëêè http://www.stsci.edu/hst/cos/documents/handbooks/current/ch08.Acquisitions02.html -- 7.1 Êá -- 12.04.2016
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