... 0.1 DN rms . ... Error larger for warm pixels; absolute error uncertain because of dark glow . ... Visible, near UV . ... Residuals in CTE correction . ... 3% rms (at 100 DN) . ... Aperture correction . 4% rms focus dependence (1 pixel aperture) . ... 1-2% field dependence (1 pixel aperture) . ... 1% rms max (28 days after decon) (filters bluer than F555W) . ... 2% rms for broad and intermediate filters in visible . 5% rms for narrow-band filters in visible . 2-8% rms for UV filters . ...

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• http://www.stsci.edu/documents/dhb/webvol2/c17_hsperror.fm10.html
• http://www.stsci.edu/ftp/instrument_news/GHRS/Ghrs_isr/ghrs_isr075_2.ps
• Systematic Uncertainties Special Cases

... epiclccorr (epiclccorr-1.0.8) [?? ... epiclccorr will treat all these corrections individually, developing and designing specific algorithms to correct the Relative Corrections . GTIs correction will be calculated using the GTI extensions located in the time series file, if any. ... Exposure correction is the time inside each frame where the CCD is taking data correctly (no counting or MIP problems). ... This correction will be calculated using the Live Time and Frame Time values of each mode. ...

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• OM Photometry Meeting 10/01/2001

Next: Estimating the angle Up: Wavelength Calibration Previous: General Description . The wavelength calibration involves a physical equation, the echelle relation and regression analysis to achieve estimates of the dispersion relation. Provided that the echelle dispersion is performed with a grating, any echelle spectrum can be calibrated usually with four lines used as pre-identifications and a catalog of laboratory wavelengths associated to the calibration lamp. ... Echelle Relation) . ...

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• Response Calibration
• Raw to Calibrated Data
• Spectra of 300 sources

. You can define a file or directory by its location in relation to your current directory . The pathname is given as / (slash) separated list of the directories on the route to the file (or directory) from your current directory. A .. (dot dot) is used to represent the directory immediately above the current directory. In all shells except the Bourne shell, the ~ (tilde) character can be used as shorthand for the full pathname to your home directory. Examples . Did You Know? .

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• Examples of using relative pathnames
• UNIXhelp Glossary - "R"

... A document window is shown, with 8 lines (numbered 1 to 8), each 24px high. The text of the "outer" box (at the end of line 1, halfway into line 2, and halfway into line 3) is shifted upward 12px. The text of the "inner" box, thought shifted upward as well, has been relatively positioned so that it lies in its normal flow position at the end of line 2. ... The lines, as they appear in the image, contain: Start 1 Beginning of body contents. 2 of outer contents. Inner contents. ...

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• Dynamic HTML in Communicator
• Long description illustrating absolute positioning with respect to the initial
• Frequency/duration relation.

We investigate the relative importance of starbursts and active galactic nuclei (AGN) in nuclear activities of ultraluminous infrared galaxies (ULIRGs) based on chemodynamical simulations combined with spectrophotometric synthesis codes. We numerically investigate both the gas accretion rates (ARs; m acc ) on to supermassive black holes (SMBHs) and the star formation rates (SFRs; m sf ) in ULIRGs formed by gas-rich galaxy mergers and thereby discuss what powers ULIRGs. ...

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• Integer Indices are 0-relative
• casacore: casa::RegionType Class Reference
• impos

UFO Forum Message . Forums: . ... Post . ... It Really Is Relative . ... Post Message | ... If you are on the Earth the moon does not rotate around its own axis. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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Start Data Acquisition - Selected Wavelengths - 22/Apr/2014 16:28:09.666 Observation Type - Grid Images - 22/Apr/2014 16:28:09.679 22/Apr/2014 16:28:11.717 Begin Iteration #1 of 2 - Number of Frames : 17 - 22/Apr/2014 16:28:11.729 Filter : 6563 (Position 3) | ... Acquisition Time : 22/Apr/2014 16:28:11.851 | ... ExpTime (sec) : 0.030 | Stokes : I Filter : 6563 (Position 3) | ... Stokes : I Begin Iteration #2 of 2 - Number of Frames : 17 - 22/Apr/2014 16:28:14.440 Filter : 6563 (Position 3) | ...

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• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/SN.2014.1.05/22Apr2014/spectral/TargetImages/20140422_161603/log_20140422_161603.txt
• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/24_april_2014/ibis/GridImages/20140424_181027/log_20140424_181027.txt
• http://www.arcetri.astro.it/~gcauzzi/SOLARNET/SN.2014.1.05/22Apr2014/spectral/TargetImages/20140422_160644/log_20140422_160644.txt

... The experience of determination of the link between radio sources and dynamical reference frames is presented. To obtain this connection we used a series of very long baseline interferometry (VLBI) observations of the spacecraft Phobos-2 and angularly nearby quasars. ... The dynamical reference frame is determined by equator and equinox of these ephemerides. ... References . ... The relative orientation of the radio and dynamical reference frames can be described by a sequence of three rotations . ...

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• Some notes on Python relevant to ALMA and ALMA data reduction Bojan Nikolic web
• ALMA-related software engineering topics Bojan Nikolic web pages (r. 329)
• ALMA related pages

... In Spiral . Between spiral . ... Center of vortices . ... to density exterema . ...

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• Optimization of spectroscopic observations
• Related usefull links

... With McMath, Robert R.; Mohler, Orren C. Telluric Bands of CH 4 in the Solar Spectrum. 1949 v.109 p.28 . With Mohler, Orren C.; McMath, Robert R. New Solar Lines in the Spectral Region 1.52-1.75 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. New Solar Lines in the Spectral Region 1.97-2.49 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. Table of Infrared Solar Lines, 1.4-2.5 . ... With McMath, Robert R.; Mohler, Orren C.; Pierce, A. Keith . ...

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• Henrietta Leavitt Calibrates the Stars
• Астронет > Henrietta Leavitt Calibrates the Stars
• XWare > APOD

This widget allows you to offset the telescope. ... Offset type : one of "Object Arc", "Object Arc XY" or "Boresight". ... This is motion on the sky or instrument, so don't worry about cos(dec). ... If you want to move that point (e.g. center your object along a different bit of the slit), then use a boresight offset. ... Note that a +X object xy offset will move the sky in the -X direction on the focal plane, because you are centering something in the +X direction on the boresight. ...

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• M1 Airflow Lab Tests
• lsst.tcc: Related Pages

style html {overflow-x:hidden; } html, body { height: 100 %; margin: 0px ;padding: 0px ; }#__container { position :relative; min-height: 100 %; }#__footer{ position :absolute; bottom:65px; width: 100 %;}#__ mlk { width: 100 % ! important ;border-top:1px solid #AEAEAE;border-botton:1px solid #AEAEAE;z-index:999 ! important ; color : black ! important ; position : absolute! important ;left: 0px ! ...

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• thompson_william

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• The Tully Fisher Relation
• Formation of the Elements
• Heliocentric Cosmology Historical Cosmologies

. home . product . gallery . contact .

16. Relative literature to radio galaxy study

17. ji0008

18. ASP: A Taste of Real Astronomy ? The ESA/ESO Astronomy Exercises

19. Stellar Astronomy

20. http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150704.en.txt