... There are compelling reasons for the pulsar community to utilise a standard data storage format. For example, standardisation of file formats significantly decreases the amount of effort required to integrate new instruments into the analysis chain. ... Accordingly, we have defined PSRFITS as a standard FITS-based format for pulsar data files. ... For example, the first line of Processing History HDU contains information about the data acquisition program and the initial structure of the file. ...

Подписка на рассылку обзоров astro-ph на Subscribe.Ru . ... Предыдущий выпуск (N335) . ... Обсудить на форуме Scientific.RU . ... Подписка на рассылку обзоров на Subscribe.Ru . Обзоры препринтов astro-ph . ... Собственно обзоры препринтов. ... Ранее обзоры также были на Астронете и на Scientific.Ru . ... АНКи доступны на Астронете , а с 2006 по 2008 г. также на сайте Элементы.Ру . ... Ранее они также размещались на сайте Астронет и в архиве моих обозрений (кодировка KOI8) на сайте Scientific.Ru . ...

... At the operating temperature of -88 C, maintained after April 23, 1994, the WFPC2 CCDs have a low dark background, ranging between 0.002 and 0.01 e - /s/pixel. A relatively small number of pixels have dark currents many times the value. ... The combined file is obtained by using the superdark value for all pixels that appear normal in the weekly dark, namely, for which the dark current value in the weekly dark does not differ from the superdark value by more than 3 . ...

... This routine is designed to read in the current correlator set-up, go to the chosen source, and then take data pointing directly at the specified source. This routine will automatically wait until you are on source before beginning to take data. ... Additionally, this routine allows you to take an ON/OFF calibration pair (one 10s scan with the noise diode on, followed by a 10s scan with the diode off), using the chosen noise diode configuration (see Section 1.6 . ...

... The Phase 2 Waiver Request procedure is the channel to handle such requests. ... Waiver requests are handled from PROP, enabling easy(er) back-up in case of absence of the support astronomer to whom the run is assigned. ... The following file lists the standard waivers providing guidelines whether the specific waiver request is handled directly by USD support astronomer or it requires input from Paranal: . ... USD support astronomer sends the final decision on the waiver to the user who requested it...

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

Solar Flare Origin - critical analysis" Lev Pusti'lnik We analyze current approach to solar flare origin in 3 aspects: a. Pre-flare equilibrium state of current-magnetic structure above active region and its evolution to flare state, b. Possible reasons of stability loss with transition of system in flare state c. Flare energy release in turbulent current sheet and particle acceleration in this system. ...

... NICS will be the only infrared instrument for the first light of the TNG; as a consequence, we decided to incorporate a sufficient degree of operation flexibility by providing the instrument with six different observing modes, three aimed at imaging and three at spectroscopy: . ... It will be possible to use the narrow band filters as order sorters; this will allow to perform high resolution long-slit spectroscopy in the wavelength ranges covered by the available narrow band filters. ...

Next: Standard orientation Up: Preprocessing Previous: Bias correction . In a similar manner, long dark exposures of the same exposure time can be averaged to produce the DARK frames. ... Use the command COMPUTE/IMAGE to multiply the images by the exposure time and to add back the value for FLAT_BKG . ... Often, BIAS and DARK contain no large - scale structure. ... The commands AVERAGE/IMAGE and AVERAGE/WEIGHT offer number of options to compare the images and filter particle hits. ...

This library currently provides subroutines used to transform theoretical spectra to intermediate and broad-band photometric indices. ... Typical tasks are the response functions and transmission curves for various filters, mirrors and photomultiplier windows. ... The response is zero outside the given wavelength range. ... real . input . Wavelength in nanometres . PHOT_1P21 . ... PHOT_AIR . ... PHOT_ALUM . ... Inputs must be valid as for PHOT_FILTER, PHOT_AIR, PHOT_ALUM and PHOT_1P21. ...

Open Systems Handbook: A Guide to Building Open Systems . ... This book is designed to provide interested individuals and organizations with an overview of open systems and the work being done to achieve them. ... This section is organized using a descriptive model of an open systems environment developed by the IEEE PI 003.0 Working Group, which is developing the Guide to POSIX-based Open System Architecture. ... Standards for open systems 13 . Chapter 3: The open systems environment (OSE) 15 . ...

... We present several applications of the AIPS++ environment as applied to the development of the Green Bank Telescope as well as current astrophysical problems. ... In particular, the Green Bank Telescope (GBT) project requires AIPS++ as an analysis environment. To accommodate and facilitate the GBT development, several sets of tools have been fashioned within AIPS++ at several points along the data path, from general calibration routines and data quality assessment to analysis and modeling. ...

. image collection >> physical phenomena >> currents . Image pho050905shu1 . Datatake . Digital camera . September 05, 2005 . Japan Sea . Vityaz Bay . Comment . Biogenic slicks stretched for many kilometers along local current direction. They are frequently observed this time of year under weak wind. The image is taken from a vantage point on the shore. Image . image size: 680pxl*356pxl . Contacts: . Leonid Mitnik , Vyacheslav Dubina . Up . Home

... Data Analysis SAS News What is SAS? ... Back to Calibration Homepage In order to analyze the data collected with XMM-Newton you need some calibration files (Current Calibration File, see below) and a copy of the Science Analysis System (SAS) available here . ... Mirroring the Calibration Archive . ... CCF$ or use instead: package=xmm-ccf comment="The XMM-Newton calibration archive" site=xmm.esac.esa.int mode_copy=true max_delete_files=100% remote_dir=pub/ccf/constituents local_dir=/ccf get_patt=^*.\...

... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

October 14, 2002 (Monday) David Jackson, Rutherford Appleton Lab, UK . ... Fall 2000 . ... The resolution obtained is compared with the starting point, based on an optical survey, and is shown to achieve the design performance. 4:00 pm, 472 Willamette Hall . return to top . ... Amplitude analysis of the D + , D s + decays to KK p and D 0 decay to K s KK are presented using the data collected by Fermilab High Energy Photoproduction Experiment E831(FOCUS). 2:30 pm, 472 Willamette Hall . ...

To pipe the output from one command into another command: who | ... The standard output from the who command - a list of all the users currently logged in on the system - is piped into the wc command as its standard input. Used with the -l option this command counts the numbers of lines in the standard input and displays the result on the standard output. To connect several commands together: ps -aux|grep joe|sort +5 -6|less . ...

MINUTES of the RadioAstron Teleconference on December 13, 2011 Yu.Yu. ... IOC status update M. Popov informed the participants on the current IOC results. ... Kovalev added: we continue to observe pulsars and spectral line sources in radiointerferometer mode but only with spacecraft and we are also going to observing pulsars soon with space-ground baselines. ... Kovalev: It is fringe-fitting result. ... In RAFS05 we replace it with K-band observing (maser source Ori KL ­ spectral lines ~100000Jy). ...

... Bojan Nikolic web pages (r. 329) . Currently I hold a Principal Research Associate position at the University of Cambridge. ... More information on the SKA SDP consortium will be available shortly on the public web-pages . ... Previous to that, I developed the technique of Out-Of-Focus (OOF) holography and wrote the software that is currently used for this at the Green Bank 100m (GBT) and other telescopes. ... Welcome . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

We inform the variable-star community that the publication of the "Peremennye Zvezdy" (Variable Stars) journal, founded by Prof. B.V. Kukarkin (1909 1977) in 1928, is planned to be resumed by November, 2005. Currently it is possible for us to publish "Peremennye Zvezdy" only as an electronic journal. ... The main journal will accept original scientific papers containing theoretical results as well as results based on detailed analysis of variable-star observations. ...