... M81: Feeding a Black Hole . ... The inset highlights X-rays from some of M81's black holes, including black holes in binary star systems with about 10 times the mass of the sun, as well as the central, supermassive black hole of over 70 million solar masses . ... In fact, the process otherwise appears to be just like the accretion process feeding M81's stellar mass black holes, even though the central black hole is millions of times more massive. ... Publications with keywords: M81 - black hole . ...

... 2008 June 27 . M81: Feeding a Black Hole . Credit: X-ray: NASA/CXC/Wisconsin/D.Pooley CfA/A.Zezas; . Optical: NASA/ESA/CfA/A.Zezas; UV: NASA/JPL-Caltech/CfA/J.Huchra et al.; IR: NASA/JPL-Caltech/CfA . ... The inset highlights X-rays from some of M81's black holes, including black holes in binary star systems with about 10 times the mass of the sun, as well as the central, supermassive black hole of over 70 million solar masses . ... About APOD | ... A service of: ASD at NASA / GSFC . ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

It is a matter of common knowledge that in processes of genesis and evolution of many solar phenomena participate magnetic fields of sunspots. ... As a basis for formation of the database we take data on magnetic fields, collected by set of observatories during many years of observations. ... Section "Magnetic field data" contains data of magnetic field observation for separate sunspots, presented in standard text format (ASCII). ... Description of structure of these files is presented here . ...

This section contains information of how user agents should treat control characters and other special characters. ... There are 256 character positions in the Latin-1 encoding. ... It consists of the space character, 186 characters that form a subset of the graphic characters in ISO 6937/2 (1983), and four additional characters that are intended for inclusion in ISO 6937/2. ... Certain characters are taken to have special meaning within the context of an HTML document. ...

... Protective equipment: . ... Product: . ... Employers should use this information only as a supplement to other information gathered by them, and should make independent judgement of suitability of this information to ensure proper use and protect the health and safety of employees. This information is furnished without warranty, and any use of the product not in conformance with this Material Safety Data Sheet, or in combination with any other product or process, is the responsibility of the user. ...

String to search for : . ... Maximum number of files returned : 10 50 100 1000 . Maximum number of matches per file returned: 10 30 50 500 . ... will find all occurrences (in all files!) of "RATAN" allowing one spelling error; . Chernenkov , Verkhodanov . will find all occurrences of "Chernenkov" or "Verkhodanov" in all documents; . ... will find all lines that contain both "Trushkin" and "SS433"; . ...

... DESCRIPTION General Catalog of Variable Stars (GCVS database) . ... Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1990, General Catalogue of Variable Stars, 4rd ed., vol.IV, Nauka, Moscow. Kholopov P.N., Samus N.N., Durlevich O.V., Kazarovets E.V., Kireeva N.N., Tsvetkova T.M., 1992, General Catalogue of Variable Stars, 4rd ed., vol.IV, Bull. ... Kazarovets E.V., Durlevich O.V. Editor-in-Chief Samus N.N., 1998, New Catalogue of Suspected Variable Stars. ...

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... 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's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... Coronado€о Solar . ... Spotting Scopes . ...

... Table of Contents -- Index -- PS reprint -- PDF reprint . ... The recently reshaped VizieR system, a unified query interface to an increasing number of catalogs (presently ), is presented. ... Besides the adoption of this new protocol, the most visible changes in this new version of VizieR are an easy access to notes, and possibilities of navigation between the tables of a catalog. ... There are presently rows in this table, i.e. an average of tables per catalog. ...

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... StelSphericalIndex Class Reference . ... voidљ . ... Insert the given object in the StelSphericalIndex . ... template<class FuncObject > . ... processIntersectingRegions (const SphericalRegionP &region, FuncObject &func) const . Process all the objects intersecting the given region using the passed function object. ... processContainedRegions (const SphericalRegionP &region, FuncObject &func) const . ... void StelSphericalIndex::clear . ...

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... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...

... Append the name of the output grid file. ... CYLINDRICAL PROJECTIONS: -Jc lon0 / lat0 / scale (Cassini) -Jj lon0 / scale (Miller) -Jm scale ( Mercator - Greenwich and Equator as origin) -Jm lon0 / lat0 / scale ( Mercator - Give meridian and standard parallel) -Joa lon0 / lat0 / azimuth / scale (Oblique Mercator - point and azimuth) -Job lon0 / lat0 / lon1 / lat1 / scale (Oblique Mercator - two points) -Joc lon0 / Je lon0 / lat0 / scale (Equidistant). ...

News of events at Armagh Planetarium . ... Events . ... Booking . ... Archive | ... by AP_admin on March 3, 2016 in Exhibitions , Family Events . Coming to galaxy near you is The Stars Awaken, a wonderful exhibition of€а full-size fan-built props and creations inspired by the amazing Star Wars saga! ... Celebrate Stars Wars at the Stars Awaken Exhibition Posted on March 3, 2016 . ... Click here to receive news of special events at Armagh Planetarium . 2016 Armagh Planetarium Events. ...

... Ham packet radio system including: . ... control computer RSC 2. dedicated software monitoring generation of probing pulses in onboard transceiver in radio beacon mode; . ground receiving network of ham radio packet communication to record probing pulses of onboard radio beacon; . ... Generation of onboard radio beacon probing pulses as time marks to ground receiving network (including ham radio receivers of USW) and transmission of the measurement results throughout Internet network. ...

This service contributes to the International Service of Geomagnetic Indices (ISGI) of the IAGA . ... The Kp numbers of the previous month are available in tabular format . ... There are available also historical and current Kp and derived indices per anonoymos FTP (see below). ... U.S.A. FTP server: ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/INDICES/KP_AP/ . monthly update) . ... contains the monthly Kp / ap tables in a simple text format readable for both humans and computers (*.tab). ...

... About meteorites . ... Meteorite Shirokovsky . ... The meteorite fell on the frozen Shirokovsky reservoir situated on the Kosva River near the village of Shirokovsky and the cities of Ugle-Uralsk and Kizel. ... Two slices were transferred to the Vernadsky Institute for study and research. ... M.A. Nazarov, Vernadsky Inst. ... Furthermore, the Shirokovsky samples do not contain typical accessory phases of stony-iron meteorites, and the accessory phases are completely atypical for all meteorites. ...

... Byte-by-byte Description of files: star -J1.txt and star -J2.txt ------------------------------------------------------------------------------------- Bytes Format Units Label Explanations 1- 4 I4 --- YYYY Year of the date 6- 7 I2 --- MM Month of the date 9- 10 I2 d DD Day of the date 13- 14 I2 h h Hour of the day 18- 24 F7,2 d JD* Julian day of the date, JD*=JD-2450000.5 28- 31 F4.1 degrees M-J Apparent distance between Moon and Jupiter 36- 39 F4.1 % ...

... Recent Topics . ... Forum . MAO main . Flame . The "Flame" description . ... The English description is not quite correct, I suggest something like: . ... Just testing forum . The administrator has disabled public write access. sekanato . ... Description changed. ... The administrator has disabled public write access. Board Categories MAO main - Info - MAO - news - Flame Technical - Technical Support(Forum)(Техподдержка(Форум)) . ... Powered by Kunena Forum . ...