... In this paper we present the results of detailed B, V, R, I, and H study of the isolated nearby blue compact dwarf (BCD) galaxy NGC6789. Judging from the literature the observed galaxy has not been resolved into stars up to now. ... The distance of the galaxy, estimated from the tip of the red giant branch (TRGB) is 2.1 Mpc which places NGC6789 close to the Local Group. ... Key words: nearby galaxies: dwarf galaxies (NGC 6789): distance moduli: star content . ... Distance. ...

Peremennye Zvezdy", . ... Max . Min . ... USNO-A2.0 0525-03498176 . ... Comm. ... USNO-A2.0 0525-03518699 . ... USNO-A2.0 0525-03528829 . ... USNO-A2.0 0525-03533089 . ... USNO-A2.0 0525-03553393 . ... USNO-A2.0 0600-44453902 . ... USNO-A2.0 0600-44469023 . ... 0.0008 . ... 0.0007 . ... 0.0007 Min II =14 m .36. ... 0.0005 Min II =15 m .66. ... A close pair of two stars: USNO-A2.0 0525-03533089 and USNO-A2.0 0525-03533312. USNO-A2.0 0525-03533089 varies. ... Comparison star . ...

XEphem Forum Message . Forums: . ... Post . ... CDRom Contents . ... Post Message | ... Posted by Ian Wilkinson on January 23, 2001 02:52:08 UTC . Is the CDRom contents available for download (as an ISO image, or otherwise)? ... www.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" . ...

... Telescopes . ... CONTENTS . ... OBSERVATORY STRUCTURE * . ... Review of the 6 m telescope operation . ... The program committee of the large telescopes . ... Small telescopes . ... INVESTIGATIONS IN THE OPTICAL SECTOR . Extragalactic astronomy . ... RADIO TELESCOPE RATAN-600 . Review of the radio telescope RATAN-600 operation . ... Radio astronomy techniques . ... RADIO ASTRONOMY INVESTIGATIONS . ... THESES REVIEW . ... in 2004 the Observatory structure was essentially modified . ...

Trace: volinks . start : volinks . ... SAI VO Projects . ... VOLinks . ... Help on Wiki search . ... IVOA - International Virtual Observatory Alliance . ... Spectral Data Model . ... VO Services , A list of Webservices . CDS , CDS Webservices , CDS XML Webservices (Name Resolver !) PLASTIC - PLatform for AStronomical Tool InterConnection is a communication protocol for client-side virtual observatory tools. ... Q3C - Indexing the sky with PostgreSQL, download from sourceforge. ... SAI VO | ...

XMM-Newton SAS V5.1 Scientific Validation and Data . ... This page contains the Scientific Validation Report for SAS V5.1 (.ps.gz) as well as the data use for this validation. ... The SAS V5.0 Scientific Validation Page can be found here . ... Data Files Handbook (Issue 2.2). ODF/SDF Interface Control Document (Issue 2.9). The following datasets have been used for the Scientific Validation of SAS V5.1. ... Pipeline Products : Each Product Group is available separately as a .TAR file. ... ODF . ...

Next: Presentation of the results Up: World Wide Web version Previous: WWW access . On the main page, a very short description of the program may be found. ... The first link brings the user to a very friendly interface of the main code, where all parameters can be set and the calculations can be started. The second lonk provides a list of papers containing the results of the Scenario Machine calculations beginning from 1983 untill 1996 and a short description of the code. ...

Click here for more about this recent image from Shared Skies. Moore Observatory of the University of Louisville and Mt. Kent Observatory of the University of Southern Queensland support teaching and research by their students and faculty in programs in Astronomy, Physics, and Atmospheric Sciences. ... The wide field telescope in the roll roof and the CDK20 in the Sirius dome at Moore Observatory offer live real-time use to university students, and to secondary school teachers, on request. ...

. Comedi Documentation . Prev . Next . comedi_get_buffer_contents -- streaming buffer status . #include <comedilib.h> . int comedi_get_buffer_contents (comedi_t * device, unsigned int subdevice); . The function comedi_get_buffer_contents() is used on a subdevice that has a Comedi command in progress. The number of bytes that are available in the streaming buffer is returned. If there is an error, -1 is returned. Prev . Home . Next . comedi_set_max_buffer_size . Up . comedi_mark_buffer_read

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

... Source File: mod_negotiation.c . Module Identifier: negotiation_module Content negotiation, or more accurately content selection, is the selection of the document that best matches the clients capabilities, from one of several available documents. ... A type map (a file with the handler type-map ) which explicitly lists the files containing the variants. ... Apache only recognizes encodings that are defined by an AddEncoding directive. ... Content-Language: . ... Module: mod_negotiation . ...

... NGC 281 (Sharpless 184) is a bustling cradle of star formation about 10,000 light years away. ... The central stars are being formed from the surrounding gas, which emits a large amount of hydrogen alpha (Ha) light after being excited by stellar radiation. ... The dark areas overlaying the brighter ones in the middle of the image are dense clouds of gas known as Bok Globules. ... 4) Image registration . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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