A Simple Way to Estimate the Soft X-ray Class of Far-Side . Solar Flares Observed with STEREO/EUVI . ... Figure 1. The STEREO/EUVI 195 °A B-streaks typical of C-, M-, and X-class flares. Table 1: A list of flares registered both with GOES and STEREO/EUVI . ... Impulsive GOES M-class flares and their thin, single, long B-streaks. ... STEREO/EUVI B-streak and the peak of the SXR flux measured by GOES. ... A list of major far-side flares detected from B-streaks in STEREO/EUVI 195 °A images. ...

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 . ...

... About StarCalc . News . ... StarCalc Home Page . Short description of changes, implemented in the StarCalc, . ... CHANGES OF PROGRAM CORE FUNCTIONS. CHANGES OF PROGRAM INTERFACE. CHANGES OF OBJECT INTERFACES. ... New "Output console". ... Information, which is generated by StarCalc, is added into the console - for example, ephemeris tables. ... In the StarCalc state file can be saved autorotation parameters, object selection, object locking mode, auto start and stop autorotation mode. ...

Statistics of sunspot activity . The sunspot indices . ... Visual indices of solar activity . ... n - number of spot groups . A - Waldmeier class of unipolar spot groups without penumbra . B - class of bipolar spot groups without penumbra . C - class of bipolar spot groups with one penumbra pole . D - class of small bipolar spot groups with two penumbra poles . E - class of middle bipolar spot groups with two penumbra poles . ... H - class of unipolar penumbrated spot groups . ...

... Sun images . Magnetic storms online . Sun flares . ... Active areas . September : 2005 . ... X-ray emission of the Sun from 08.09.2005 to 09.09.2005 (GOES-) . Today, 15 solar flares were observed: . Active region . ... Flare of class M1.0 . 808 . ... Yesterday, 8 solar flares were observed: . ... Last updated: September 10, 2005 00:00 UT . ... 1953-2016 Laboratory of X-ray astronomy of the Sun, LPI RAS, Russia . ...

. Prague, August 16, 2006 . Present classification : Suggested: . E, EA, EB, EW, EP E, EA, EC - contact (merging EB and EW), EP PN, WD, WR Remove from the classification, indicate through the spectral type or Remarks RS If such a star has eclipses, give notation like EA+RS, RS+EA . AR, D, DM, DS, DW, K, Remove from the classification; KE, KW, SD as a rule, these types in the GCVS are based on indirect evidence . ECLIPSING VARIABLES . (the description of the class should not mention close binarity)

... Subscriber Extras . ... Ask Astro . Web Extras . ... Behemoth black hole found in an unlikely place . ... black holes . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Ask Astro web extra: Will all white dwarfs, regardless of the class of star that produced them, eventually become black dwarfs? ... Get instant access to subscriber content on Astronomy.com! ... Receive full access to our Ask Astro answers . BONUS web extras not included in the magazine . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

The Equatorial Inertial (GEI) coordinate system: . The X GEI axis is directed to the point of the spring equinox, . The Z GEI axis is coincide with the Earth's rotation axis, . The Y GEI supplements the right three. The Geographic (GEO) coordinate system: . ... The Solar Magnetic (SM) coordinate system: . ... About space physics coordinate transformation see Russel [1971] and Hapgood [1992] . ... M.A. Hapgood , Space physics coordinate transformations: A user guide // Planet Space Sci. ...

Class Visual: модернизация программы обработки . радиометрических наблюдений плавного сканирования . ... радиоастрономия, радиометрические наблюдения, метод плавного сканирования. Class visual: modernization of the package for processing the single dish observations data . ... We consider a software package "Class Visual" in terms of providing a primary processing of the single dish observations carried out by drift scanning with the radio telescopes of the VLBI-network "Quasar". ...

IACETH Institute for Atmospheric and Climate Science Road traffic emissions in ff Switzerland: Results from the Results Gubrist tunnel Institute for Atmospheric and Climate Science (IACETH), Swiss Federal Institute of Technology ZЭrich (ETHZ) UniversitДtstrasse 16 CH-8092 ZЭrich, Switzerland email: Johannes.Staehelin@env.ethz.ch Johannes Staehelin 1. ... Road traffic emission models and Road emission tunnel measurements 3. ... Measurements of the Gubrist tunnel Measurements of 5. ...

The night after the John Glenn program, I pitched the terraforming idea to my students. I asked them if they'd like to terraform Mars as a big class project; I wanted to throw the idea to them and see how they would react. Already I had a vision of splitting the class into several groups and having each group take charge of a portion of the project. ... Following my initial idea on how to conduct the project, I split the class into six groups, each student choosing his or her group. ...

... 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). ...

... Baikonur Cosmodrome Yasny launch base Downloads . ... Town of Baikonur residential area of the Cosmodrome . ... For receipt, temporary storage and standalone processing of payloads (including, if necessary, filling with propellant and compressed gases), as well as for preparation, integration and encapsulation of the Space Head Module (SHM), ISC Kosmotras offers an Assembly, Integration and Test Building (AITB), Fueling Station and office premises located at Site 31 of the Baikonur Cosmodrome. ...

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. ...

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... SPICE System Documentation . Comprehensive set of SPICE System documentation including tutorials, subroutines and data formats descriptions, etc. Other related home pages: . Navigation and Ancillary Information Facility at JPL . MARS-96 Space Mission . ... Please, forward comments and questions about information on this page and all descending NAIF and M96 SPICE implementation pages to NAIF group at IKI . naif@arc.iki.rssi.ru . ...

... О метеоритах . ... О лаборатории . ... Падение 12 февраля 1947 г. 10 ч. 38 мин. ... Е.Л. Кринов, 1981 г. Падение Сихотэ-Алинского метеорита 12 февраля 1947 г., 10 ч. 38 мин., г.Иман, Приморский край. ... Установить место падения метеорита пока не удалось.. Вечерняя Москва" 17 февраля 1947 г. Один из кратеров, образовавшихся при падении Сихотэ-Алинского метеорита. ... Схема дробления метеорного тела во время движения в земной атмосфере с космической скоростью (Кликни чтобы увеличить). ...

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

I/199 Lick Northern Proper Motion Program: NPM1 Catalog (Klemola+ 1987) =============================================================================== = Lick Northern Proper Motion Program: NPM1 Catalog Klemola A.R., Hanson R.B., Jones B.F. <Astron. ... Positions are given for equinox B1950 and computed epoch 1950. ... Other data given for each star are: the original mean epoch, a stellar class code, the number of NPM fields measured, and discrepancy flags for position, proper motion, and photometry. ...