System Throughput and SNR / Exposure Time Estimation . ... Figure 6.11 shows the photometric monitoring data for the standard star GRW+70D5824 (a white dwarf classified DA3; B-V = -0.09) in the WF3 and PC1 for the set of filters which are routinely monitored. ... Figure 6.12 shows the throughput decline in all four chips as a function of days since the last decontamination for the F170W filter. ... Figure 6.12: - Throughput for the F170W Filter Following Decontaminations. ... Time. ...

... Материал верха: искусственная кожа, текстиль . ... Материал подошвы: искусственный материал . ... Сапоги Call It Spring. ... Материал: искусственная кожа, текстиль. ... Материал: Пластик . ... Питание - Батарейки, Световые эффекты - Есть, Тип игрового набора - Уборка, Пол - Для девочек, Звуковые эффекты - Есть, Тип батареек - 2хАА, Минимальный возраст - 3 года, Материал - Пластик, Цвет - Розовый, Вес - 410, Высота - 18 . ... Материал: Натуральная кожа . ...

... Data Analysis SAS News What is SAS? ... Back to Calibration Homepage The most recent Canned Response Matrices can be downloaded here (please refer to Update 2014-11-24 ) and can be used to estimate EPIC count rates in AO15. ... PN response files . ... MOS response files . Since SAS 6.5 the full set of ready-made MOS response files is not provided (see "Update 2005-12-15" ). ... Note: MOS response files before SAS 6.5 had a different nomenclature as the one listed above (see "Update 2005-12-15" ). ...

Blackholes Forum Message . Forums: . ... There Is Not Enough Time To See Inside . ... Time essentially goes to infinity at the event horizon. That is, we can see light coming from any point outside of the event horizon, that is assuming we are being illuminated from that point. ... That's why we cannot see inside the event horizon. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

Next: Dynamic Scheduling Up: Scan Times Previous: Dealing with Formatter Reconfigurations Contents . The nominal scan start time, if set using DWELL , is the time good data is expected to be available. ... The more modern systems, especially the Mark5C recorders and the software correlators, approach this ideal and the recordings are started at the time specified in the VEX file for the start of good data. ... A recording scan is the time between stops of the recording media. ...

... Plots of the 4 wapps (.ps) ( .pdf ) : . ... top plot: this is how many seconds off the wapp clocks were measured to be from the ntp servers on the network. The colors are for the 4 wapps. 2nd plot: This is the offset (in seconds) that the ntpd pll time loop was using. ... Notice that there are no changes from 9.06 till 9.31 when the loop parmeters were reset. 2nd plot: The frequency offset used in the wapp4 pll loop. 3rd plot: The time offset of wapp4 time relative to the 3 primary ntp servers. ...

This module provides for the generation of Expires HTTP headers according to user-specified criteria. ... This module controls the setting of the Expires HTTP header in server responses. The expiration date can set to be relative to either the time the source file was last modified, or to the time of the client access. ... ExpiresByType . ExpiresDefault . The ExpiresDefault and ExpiresByType directives can also be defined in a more readable syntax of the form: . ... Module: mod_expires . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Audio recording of this event now available . As a follow-up to last year's highly successful Galileo Event , the Armagh Observatory is arranging a second event in conjunction with the Armagh Natural History and Philosophical Society aimed at strengthening the links between science and the humanities, this time with a focus on Time. ... Professor Iggy McGovern . ... Time Up , a poem, by Iggy McGovern. ...

... Reference ID: USNO . Driver ID: USNO . ... When enabled by the flag4 fudge flag, every received timecode is written as-is to the clockstats file. time1 time . Specifies the time offset calibration factor, in seconds and fraction, with default 0.0. time2 time . Not used by this driver. stratum number . ... Specifies the driver reference identifier, an ASCII string from one to four characters, with default USNO . ... Not used by this driver. flag2 0 | ... Not used by this driver. flag4 0 | ...

... Test T1: Creation of the transfer/linearity table. The table will contain 5 columns: column 1 for the exposure time of the first of each sets (frames 1) (label :Exp_tim1); column 2 the exposure time of the second frames (frames 2) (:Exp_tim2); column 3 the median pixel intensities over the selected frame sections in frames 1 (:Med_cnt1); column 4 the median pixel intensities over the selected area in frames 2 (:Med_cnt2) ; column 5 the variance of the difference of the frames 1 and 2 (:Variance). ...

The HyperNews Linux KHG Discussion Pages . Forum: The Linux Kernel Hackers' Guide . Re : Realtime mods anyone? ( bill duncan ) . Keywords: realtime round-robin task scheduling . Date: Sun, 29 Sep 1996 20:51:50 GMT . From: Michael K. Johnson < johnsonm@redhat.com > . Victor Yodaiken has announced RT-Linux , a hard-real-time-capable Linux-based OS.

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

... This is the both the simplest and the most effective option for reducing the "address already in use" error. ... A situation where this might be a problem is if my program is trying to find a reserved local port ( SO_REUSADDR , then each time I run the program on my machine, I'll keep getting the same local reserved port, even if it is stuck in TIME_WAIT , and I risk getting a "connect: Address already in use" error if I go back to any place I've been to in the last few minutes. ...

... Previous: BoF - Python in Astronomy . ... The BoF was attended by about 30 participants and a free CD of real time Linux--based upon RedHat 5.2--was available. ... Comparison tables between standard Linux and real time Linux responses to time interval generation and interrupt response latency were presented (see elsewhere in these proceedings). The present recommendations are to use RTL for UP machines running the 2.0.x kernels and RTAI for SMP machines running the 2.2.x kernel. ...

Date: 11/24/2014 Time:05:26 Moon Age: 1.8 Available Observing Hours: 12.9 Observer: Instrument: Operator: Cage: Lebofsky, Bell 90PrimeOne Trueblood PF hours lost to: weather: 2.0 telescope: 0.0 instrument: 0.0 computer: 0.0 Time Temp Humidity Wind Vel. Wind Dir. Seeing Open 18:30 37.8F 50% 15 N 1.9 Close 05:20 37.1F 15% 15 NE 1.8 _________________ Description ______________________ Most of the night, seeing >2", which severely limited our available targets. ...

Astronomy Picture of the Day . Mercury: Closest Planet to the Sun . ... Credit Copyright: NASA , Mariner 10 Explanation: This picture was compiled from images taken by the NASA spacecraft Mariner 10 which flew by the planet three times in 1974. ... Mercury rotates so slowly that one day there - "day" meaning the normal time it takes from sunset to sunset - lasts 176 days on Earth . ... U. Based on Astronomy Picture Of the Day . Publications with keywords: Mercury . ... MESSENGER s First Day . ...

... Public . Science . ... Science Users Information > Science Publications > Science Announcements . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... Science Announcements . ... Published: 17 Sep 2014 . An extended set of FAQs (Frequently Asked Questions) on data reduction is available . ... Published: 28 Aug 2014 . ... This feature is available for all ALMA programmes, except for science verification data. ...

... 2] In the laptop terminal window (you should automatically be logged in as "coast" when it boots), type "ping dimmwit" (and hit return - I assume this is obvious hereafter) and wait until you get responses back. ... 3] Now type "initccd". ... To change the drivers and the finder executable, do the following: [1] Make a new terminal window on the laptop (click the "Terminal" button), click on the new window, type "su" and type in the root password when it asks. ...

... About 10% of the time is allocated to moving the telescope to the zenith and exchanging the spectrographic cartridges. ... Focus telescope (open-loop)* . ... TOTAL TIME (seconds) . ... This assumes two 60 second arc exposures and two 55 second readouts. ... Otherwise, the arc exposure will likely consist of a 30 second integration followed by a quick 28 second readout, half the normal time. ... The flat-field exposure can be read out with a quick 28 second readout, half the normal time. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Comets and Asteroids . ... Space Flight . ... Earth Satellites . ... By admin February 19, 2011 Posted in: Comets and Asteroids . ... Since it was launched in 1999, the Stardust spacecraft has travelled about 5.7 billion km (3.5 billion miles) on its odyssey from Earth to comet Wild 2, back to Earth then on to comet Tempel 1. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...