... Fig. 1a,b. Location of slit spectrograms on the HА-line image of IC10. ... Relative abun dances Relative abundances of oxygen are derived using three methods. ... Figures 2, 3, 4 show the distributions of the inferred 12+log(O/H), log(N/O), log(S/O) values along the slits; we averaged the abundances over HII re gions from the catalog of Hodge and Lee [5]. ... Relative oxygen abundance along the slits. ... Relative nitrogen abundance along the slits. ... Relative sulf ur abundance along the slits. ...

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• http://www.sao.ru/Doc-en/Science/Public/Conf/magstars-2010/p133.pdf
• http://www.sao.ru/hq/katya/NDG/DVD/Posters/Karachentsev.pdf
• Observations Support Laboratory BTA

... A Portable Human-Powered Orrery The scale of our model is 1 m = 1 AU. ... Relative positions of the planets in the night sky ­ Having the person representing the Earth and the other planets discuss their positions in the sky and when they can be seen (only at night) Predicting the night sky ­ Looking at the locations of the planets relative to the constellations to predict what they will see when they go out after sunset to observe the real sky Revolution of the ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: This Restless Globe
• ASP: Sharing the Universe

... Field of interest: data analysis and interpretation of X-ray observations of BHC and NS systems, astrophysics of compact objects and related phenomena: X-ray , optical and radio observations , shocks and stellar winds, emission mechanism, the spectral and timing analysis of the X-ray emission from microquasars ( signature of accreting BH), atoll- and Z-sources ( signature of accreting NS), modeling of INTEGRAL images % . ...

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• Stellar Astrophysics Department

... 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 . ...

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• VISTA Exposure Time Calculator Help v1.0

... High redshift radio galaxies . ... Verkhodanov O.V., Kopylov A.I., Zhelenkova O.P., Verkhodanova N.V., Chernenkov V.N., Parijskij Yu.N., Soboleva N.S., Temirova A.V. 2000. ... Verkhodanov O.V., Kopylov A.I., Parijskij Yu.N., Soboleva N.S., Temirova A.V. "Color ages of parent galaxies of high redshift radio sources", in Proc. XV Conf. on "Aktualnye problemy vnegalakticheskoi astronomii" ("Current Problems of Extragalactic Astronomy"), Pushchino, May 25--29, 1998, printed in Pushchino Sci. ...

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• Related links

RTT150 . ... The primary mirror 1 reflects light to the secondary mirror 2 which sends the converging beam of light to the system of four flat mirrors 3, 4, 5 and 6. That allows the beam of light to leave the telescope strictly along its polar axis and be collected in Coude focus. ... That's why at any tube position (for any rotation along the declination axis) beam of light parallel to the principal axis after reflection on mirror 3 follows the direction of declination axis. ...

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• INTEGRAL 9-year Galactic Survey

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

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... The possibility to use the electrostatic approximation to calculate the polarizability allows one to consider practically any shape scatterers - from the regular ones (ellipsoid, cylinder, disc) [ 7 , 274 ] to those with an arbitrary shape, structure and anisotropy [ 308 , 309 , 313 , 405 ] (in the last case the polarizability tensor should be found numerically) - using the theory of the Rayleigh scattering. ...

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• The 2175? feature
• A Nature of Polar-Ring Candidate Galaxy ZGC 2315+03
• Polarization properties (transmitted radiation)

... Meade Instruments Corporation . ... Meade Pictor 616A Color Filter System Instruction Manual . ... Remove the Meade Pictor 616A Color Filter System from the telescope or camera. Use the supplied hex wrench to remove the three screws from the telescope side of the Meade Pictor 616A Color Filter System. Position your Meade Pictor 616A Color Filter System to align with the diagram below. ... Carefully screw each filter into the wheel, and re-assemble the Meade Pictor 616A Color Filter System. ...

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• Meade Instruments Corporation - Autostar Computer Controller Instruction Manual
• Meade Series 4000 Photo-Visual Color Filters
• Meade Sports Optics - Binoculars Instruction Manual

... The derived position here agrees with the position from recent ATCA observations, RA=15h 01m 34.74s, Dec=39 18 39.2" (Tasker, private communication) which found the source unresolved. Because of the relatively large position offset, the reality of the fainter component 0.12" to the west is somewhat in doubt. However, the ATCA centroid position is offset by 0.3" to the south-east of the VLBA position, suggesting that the faint component may be part of more extended structure. ...

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ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

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... The original pro of used the fact that () any two such embeddings are related by isotopy and crossing changes, where edges are allowed to pass through each other. ... Lemma 5 is obviously false as stated: the sum should be over all unordered pairs of disjoint edges, i.e. it should be fact (), and this is what is assumed in the pro of. In the earlier argument, at the top of p.4, this do esn't matter because here, edges e and e that share a vertex automatically have lk (e, e ) = 0.) ...

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• Conference Moduli Spaces
• Conference "Combinatorial Methods in Physics and Knot Theory" (February 2005)
• Конференция "Дзета функции"

Stellarium 0.12.3 . ... Classes . ... ScreenImage Class Reference . ScreenImage (const QString &filename, float x, float y, bool show=false, float scale=1., float alpha=1., float fadeDuration=1.) Load an image. ... virtual voidљ . ... setFadeDuration (float duration) . ... the time it takes for screen images to fade in/out/change alpha in seconds. virtual void ScreenImage::addXY . ... Set the duration used for the fade in / fade out of the image. virtual void ScreenImage::setFlagShow . ...

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• Stellarium: StelSkyPolygon Class Reference
• Stellarium: Supernova Class Reference
• Stellarium: Quasar Class Reference

... About ATMoB . ... The ATMoB has established an email list server with various mailing lists for use by our members. ... This list has been established for use by ATMoB members, friends of members, and anyone interested in astronomy with a focus on things of interest to those in the greater Boston area. ... Notice: The owners of this server, the Amateur Telescope Makers of Boston, and any other sentient beings that happen to be involved assume no responsibility for any messages posted via this system...

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• Amateur Telescope Makers of Boston ATMoB Observing Awards Program

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

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• http://www.astro.louisville.edu/software/sbig/archive/xmccd-4.1/xmccd-4.1e/indiutil/Makefile
• Dr. Mills' Foucault Pendulum Paper

... SATELLITE: An object that revolves around a planet. ... SIDEREAL DAY: The length of a planet's rotation period relative to the stars. SOLAR SYSTEM: The sun and all the objects that are held in its gravitational field and move around it. ... SUPERIOR CONJUNCTION: The position of a planet when it is on the opposite side of the Sun from Earth (thus making in invisible). ... TRANSIT: The movement of an object between the Earth and the Sun and showing on the surface of the sun as a black dot. ...

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The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

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TEMPERATURE OF REGOLITH IN COLD TRAPS ON THE MOON A.A. Berezhnoi Sternberg Astronomical Institute Moscow, Russia The hypothesis of the existence of the lunar ice in cold traps was stated in (Watson et al., ... Arnold, 1979) estimated the mean temperature on the surface of lunar cold traps as 40-90 K. We plotted the dependence of regolith mean temperature on depth for these two values of mean temperature on the surface (see figure 1). ... Arnold J.R. Ice in the lunar polar regions, J. Geophys. ...

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• http://selena.sai.msu.ru/Symposium/RadioMoonE.pdf
• http://selena.sai.msu.ru/Shev/Publications/ms38/ms083.pdf
• http://selena.sai.msu.ru/Bus/Publications/m44_14_busarev_etal.pdf

Physica B 284}288 (2000) 649 } 650 Superconductor}insulator transition in amorphous In}O lms V.F. Gantmakher*, M.V. Golubkov, V.T. Dolgopolov, G.E. Tsydynzhapov, A.A. Shashkin Institute of Solid State Physics RAS, 142432 Chernogolovka, Russia Abstract From experiments with amorphous InO lms, three conclusions are made: (i) The pattern of the superconducV tor}insulator transition (SIT) seen before for 2D ... Fig. ... Hence, in each "eld the bosons and the fermions coexist. ...

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• Laboratory of spectroscopy of defect structures ISSP RAS
• LHPP ISSP RAS
• III International Astronomy Olympiad, Problems to solve

... Астрофорум - астрономический портал ? ... Астрономические наблюдения (Модераторы: LeMay , Александр Репной , Грудцын Алексей ) ? О визуальных наблюдениях . ... Ответ #60 : 26.08.2005 [12:11:09] ? ... Согласно последней редакции NGC для этой галактики: . B Magnitude: 12.9 . ... при визуальных наблюдениях ориентируемся на последнее число (визуальная зв. величина), при фотографических (ч/б) - на первое (зв. вел. в голубых лучах). ... Galaxy . ... NGC 7600 . ... NGC 7600 MCG -1-59- 19 . ...

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• Международный Астрономический Союз - Комиссия 4 - стр. 1 - Горизонты науки о
• Гравитация и температура - стр. 3 - Горизонты науки о Вселенной