... HST . How long does my Position Mode exposure time need to be? ... HST Peer Review Process . ... HST Overview . Overview . ... Phase I Proposing . ... Cycle 24 Announcement . Cycle 23 Results . ... DD Time . Mid Cycle Submission . ... Phase II Cycle 23 . ... Phase I . ... A: One minute is usually sufficient for Position Mode observations. Often, the target acquisition is shorter than expected and, as a result, an observer might get several seconds more exposure time than specified. ...

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• Time resolved observations with STIS/MAMA (TIME-TAG mode)
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XMM-Newton Science Analysis System . ... This task is designed to select those EPIC sources (from the unified list created by the task srcmatch ) for which spectra and time series (or other source-specific products) are to be extracted in the pipeline. Two other subsidiary functions are performed: (i) widths for the bins of the time series are calculated; (ii) a single pair of start and stop times for all time series is calculated. ... Time bin widths . ... Start and stop times . ...

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• Background: motivation for developing this procedure

PROS is a multi-mission x-ray analysis software system designed to run under the Image Reduction and Analysis Facility (IRAF). The analysis of x-ray data differs from that of other wavelengths due to the nature of x-ray data. ... Programs in PROS are called tasks. Tasks are grouped by function into packages. ... The qpspec task allows users to extract a background corrected spectrum from a QPOE file for use in PROS or for export to other analysis systems. model specification and fitting . ...

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... Артикул: A-6164N Цвет: розовый Состав: 80% полиэстер, 20% вискоза Уход за изделием: стирка при 30њС Страна дизайна: Турция Страна производства: Турция Товар сертифицирован. ... Объем: 1.7 л; Мощность: 2200 Вт; Тип нагревательного элемента: закрытая спираль; Материал корпуса: пластик . Цвет: белый . ... Артикул: PL000028AW1 (FRIDA) Цвет: черно-молочный Состав: 94% вискоза, 6% эластан Описание: Идеально стройнящее фигуру платье, комбинированное эластичным итальянским трикотажем и батистом. ...

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Next: Introduction Up: No Title Previous: DAOPHOT II: The . Introduction . Basic principles of time series analysis . ... Test statistics . ... Power of test statistics . Time domain analysis . ... Fourier analysis: The sine model . ... The power spectrum and covariance statistics . ... MIDAS utilities for time series analysis . ... Input data format . Output data format . Fourier analysis . Time series analysis in the frequency domain . Analysis in the time domain . ...

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... Up: Real-Time Systems . ... The Rossi X-ray Timing Explorer ( RXTE ) spacecraft contains a large Proportional Counter Array (PCA) experiment which produces high count rates for many X-ray sources. ... This allows opportunity for some serious real time interpretation and decision making by the experiment controller, duty scientist, and Guest Observer (GO), if present. ... This paper briefly describes the available Science Monitoring subsystem display options. ...

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• Real-Time Linux Driving a Spectrometer
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• A New Stable Method for Long-Time Integration in an N-Body Problem

... xntpd is an operating system daemon which sets and maintains the system time-of-day in synchronism with Internet standard time servers. xntpd is a complete implementation of the Network Time Protocol (NTP) version 3, as defined by RFC-1305, but also retains compatibility with version 1 and 2 servers as defined by RFC- 1059 and RFC-1119, respectively. xntpd does all computations in 64-bit fixed point arithmetic and requires no floating point support. ... Specify the name and path of the log file. ...

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• ntpdate - set the date and time via NTP
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• Further Information and Bibliography

... By LORNA SIGGINS, The Irish Times, 31 December 2008: A тАЬLEAP secondтАЭ added to clocks around the world, the longest total solar eclipse of the 21st century, and a Galway university professor dressed as Galileo Galilei тАУ these are some of the highlights of the International Year of Astronomy which starts across the world tomorrow. ... An Post is due to issue two stamps to mark the year. ... International Year of Astronomy, Ireland National Node . ...

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... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2012 > Real Time Control for Adaptive Optics Workshop . ... ESO Data . ... The 3 rd Edition of the Real Time Control for Adaptive Optics Workshop is scheduled for spring 2014. The real-time control system (RTCS) is a crucial component for any astronomical adaptive optics (AO) system. ... As such, the workshop is aimed at real-time control specialists, instrument scientists and adaptive optics engineers. ...

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• Load data
• ESO - The European ELT
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... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... ATNF facilities . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... css templates by florida web design . ...

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• casacore: casa::Timer Class Reference
• Adjusting the Scan or Recording Start Time
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... For SIMS (Secondary Ion Mass Spectrometry) analysis, a solid surface is bombarded by primary ions of some keV energy. ... The subsequent mass analysis of the emitted ions provides detailed information on the elemental and molecular composition of the surface. ... Extremely short ion pulses with a duration below . ... By rastering a fine-focussed ion beam over the surface, like an electron beam in an electron microprobe, mass resolved secondary ion images (chemical maps) can be obtained...

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Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

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• The NMW survey homepage

Section I: Introduction to ALFA and GALFA . Section II: System Description . ... ALFA receives 7 beams, 2 polarizations per beam, each covering 1225-1525 MHz. The 14 IF signals cover nominally the 100 to 400 MHz band. ... A high-resolution, low-bandwidth spectrometer (8K channels covering a 7 MHz bandwidth) . ... Each spectrometer board handles two polarizations from one telescope beam.The baseband signals are to be digitized by four 8-bit ADCs at 100 Msamples/sec. ... Bandwidth: . ...

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... Perl . ... IDL is used for data analysis and graphics. ... Advantages of a language that is popular in the real world are the existence of web resources such as tutorials, a wide range of libraries of existing code you can use and modify, and better job prospects for you if you ever want to venture into the real world. ... Most data reduction systems (eg IRAF, MIDAS, Starlink) do not interface well with any programming language: IRAF has itуs own (very clunky) language in which you can write scripts...

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• The National Time Service and Ionospheric Prediction Service
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. Please, enter light elements for your star and Julian Day interval. HJD0: . Period: . JD1: . JD2: .

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... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade Atomic Time Update Module #07581. ... The Meade Atomic Time Update Module eliminates the need to manually enter the local (wrist watch) time on start up of the telescope prior to alignment. Plugs into the Atomic Time Update Module Port of the LNT Module Viewfinder with an included patch cord. ...

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• Meade Atomic Time Update Module - General Accessories - Accessories - Products

Super Rocket Targets . NPO MOLNIYA has been designing rockets-targets for over 30 years using the great experience in crea-ting anti-aircraft guided rockets (AGR) for C-25M. On the basis of B-300 anti-aircraft rockets which expired their service life, there were designed, tested and put into the serial production the following types of the rocket - ... The analogue of this system successfully passed the state tests with the ZVEZDA-4 rocket-target. ...

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• Introduction

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

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• http://site2010.sai.msu.ru/static/doc/SPotanin_site2010.pdf
• Results of ELT site testing programs - I

RTT150 . ... This search system is designed for generating the necessary information on series of pointings (observations of each source consist of sets of exposures with different filters and sometimes with different exposure times) for observed sources. Search results appear at the separate page as a table with the following data: . DATE - real (not evening!) observations date (in YYYY-MM-DD format); . ... Bin - minimal CCD binning mode (may vary during the observations); . ...

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... Basic time functions . ... Example 2: Set a random number seed . ... Uses of time functions include: . ... time_t time(time_t *tloc) -- returns the time since 00:00:00 GMT, Jan. 1, 1970 , measured in seconds. ... timer.c */ #include <stdio.h> #include <sys/types.h> #include <time.h> main() { int i; time_t t1,t2; (void) time(&t1); for (i=1;i<=300;++i) printf(``%d %d %d n'',i, i*i, i*i*i); (void) time(&t2); printf(`` n Time to do 300 squares and cubes= %d seconds n'', (int) t2-t1); } . ...

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• Linux I/O port programming mini-HOWTO: High-resolution timing
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