... CV & PUBLICATIONS | ... Nicholls, DC, Dopita, MA, Sutherland, RS, Jerjen, H, & Kewley, LJ " Metal-poor Dwarf Galaxies in the SIGRID Galaxy Sample. ... Nicholls DC, Jerjen, H, Dopita MA, & Basurah, H. (2014) " Nebular Metallicities in Two Isolated Local Void Dwarf Galaxies ", Astrophysical Journal 780, 88 * . ... Sweet SM, Drinkwater MJ, Meurer G, Bekki K, Dopita MA, Kilborn V, & Nicholls DC, " CHOIRS H I Galaxy Groups: The Metallicity of Dwarf Galaxies" , (2014) Astrophysical Journal , 782, 35 * . ...

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• Cepheid Variables
• Philip Lah's Research
• RSAA Annual Reports - Intranet - ANU

XMM-Newton SAS Scientific Validation and Data . ... the level of accuracy associated with those products The outcome of the SAS science validation for each test dataset is summarized in a report, available along with the dataset. ... The Scientific Validation Report v2.1(.ps.gz) is available for the SAS v6.5 Scientific Validation SAS v6.5 Scientific Validation Preliminary Report . The Preliminary Report (.ps.gz) is still available for SAS v6.5 Scientific Validation SAS v6.0 Scientific Validation . ...

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• Errors
• XMM-Newton SAS V5.1 Scientific Validation Data
• XMM-Newton SAS: Feedback

... Seminar archive . ... 30 min. ... Липунов В. М. ( МГУ, ГАИШ МГУ ) . ... Горбовской Е. С. ( ГАИШ МГУ, от группы МАСТЕР ) . Тюрина Н. В. ( ГАИШ МГУ ) . ... Руденко В. Н. ( ГАИШ МГУ ) . ... Пустовойт В. И. Download presentation . Липунов В. М. Download presentation . ... А.В.Тутуков(ИНАСАН), Л.Р.Юнгельсон, А.М.Черепащук (ГАИШ МГУ), Н.С.Кардашев, И.Д.Новиков, В.Н.Лукаш, А.Г.Дорошкевич (АКЦ ФИАН), А.Ф.Захаров (ИТФ), Г.С.Бисноватый-Коган (ИКИ), М.Е.Прохоров, К.А.Постнов (ГАИШ МГУ) , . ...

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... Astronomical Institute "Anton Pannekoek", Amsterdam of Univeristy, Amsterdam, Netherlands . ... Astronomical Institute, St.Petersburg University, St.Petersburg, Russia . ... Technical report on computer codes for Separation of variables and T-matrix methods (LaTeX file) . Technical report on WWW database of optical constants (LaTeX file) . Technical report on calculation of spheroidal wavefunctions and the eigenvalues (LaTeX file) . Annual report (1998) (LaTeX file) . ...

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• Linear polarization: wavelength dependence
• Kholtygin et al., "rho Leo", AZh (2007)

http ://www.cbat.eps.harvard.edu/iau/cbet/003900/CBET003962.txt Electronic Telegram No.3962 Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University ; 20 Oxford St.; Cambridge, MA 02138; U.S.A. e-mail: cbatiau en eps.harvard.edu (alternate cbat en iau.org) URL http ://www.cbat.eps.harvard.edu/index.html Prepared using the Tamkin Foundation Computer Network SUPERNOVA ...

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• http://observ.pereplet.ru/IAUC8520.html
• http://observ.pereplet.ru/IAUC8603
• http://observ.pereplet.ru/images/GRB081102/grb_film.html

... Chandra Survey . ... Optical Database . ... The R (1200 sec total exposure time), I (540 sec), and Halpha (4500 sec) images show a source at RA(J2000)=17h 49m 55.34s, Dec(J2000)=-29d 19m 19.7s. At an offset of 0.16", this is consistent with the Chandra position. ... Given the error on the Faulkes position (0.3"), and the absence of other sources in the Mosaic and Faulkes images within 1.8" of the Chandra position, we consider our Mosaic source and the proposed optical counterpart to be the same. ...

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• TAP 26
• Starspots
• Fixing and Freeing Region Markers

The weather throughout this year was so extremely favorable that I have been able to observe the Sun clearly on 312 days; however, I counted only 34 groups of sunspots.. From my earlier observations, which I have reported every year in this journal, it appears that there is a certain periodicity in the appearance of sunspots and this theory seems more and more probable from the results of this year.. ... 244 . ... 149 . ... Exploration" home page (index) Glossary . Official GSFC Home Page .. ...

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• Saturn's Possible New Moons
• Astronomical Names
• The Wind Spacecraft

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

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• http://www.wdcb.ru/stp/data/solar.act/flux10.7/%20%20penticton.txt
• http://www.wdcb.ru/stp/data/cat6CDR/SUN%20data
• http://www.wdcb.ru/stp/data/Images_of_Magnetograms/MGD/MGD1999/

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

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... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...

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• NICMOS Observes the Galactic Center
• ST-ECF Instrument Science Reports

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

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... The weather throughout this year was so extremely favorable that I have been able to observe the Sun clearly on 312 days; however, I counted only 34 groups of sunspots.. From my earlier observations, which I have reported every year in this journal, it appears that there is a certain periodicity in the appearance of sunspots and this theory seems more and more probable from the results of this year.. ... Year . ... Days when no . ... Observation Days . ... 273 . ... 282 . ... 244 . ... 149 . ...

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• Reports
• Virtual Reports
• Space Research Institute (IKI) Seminar

Pulkovo NEO Page . Central Astronomical Observatory at Pulkovo . ... NEA Accuracy Estimation . Positions of the asteroids that have been sent by observers to the Minor Planet Center are automatically processed by means of calculation of (O-C) values with the help of the EPOS software package created at Pulkovo Observatory. ... Here attention is paid to observations of the near-Earth asteroids. This work was initiated by Dr. O.Bykov at Pulkovo Astronomical Observatory. ...

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• Pulkovo NEO Page: Estimation of Accuracy of the Observations
• Pulkovo NEO Page: Ephemeris Support
• Catalogue of double stars

... Team fee: 470.– Euro/team . ... Euro/person . ... Euro . Observers: 940.– ... Small delays in reports or applications: the correspondent fees are 485 euro (970 euro for observers). ... The fee covers the board, lodging, transportation, excursions, sport, ceremonial, and general organization expenses since 12:00 October 16 th till 12:00 October 24 th . ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the International Astronomy Olympiad (IAO) . ... Updated 01.07.2010. ...

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• XVI International Astronomy Olympiad, accommodation fees
• XIV International Astronomy Olympiad, fees
• XV International Astronomy Olympiad

STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... MeadeтАЩs new LX70 Series offers high-quality German equatorially mounted telescopes with slow-motion controls and heavy-duty steel tripods. ... 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. ... General Accessories . ... Click here to locate the dealer near you. ...

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• Products
• Accessories - Products
• Meade Variable Projection Camera Adapter (1.25")

... 2002 . I half-year . ... 2003 . ... 2004 . ... 2005 . ... 2006 . ... I half-year (pdf) . ... 2015 . ... Last update: 17/11/2015 ...

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• RATAN-600 reports
• Large telescopes application form
• Modeling of Very Luminous Stars in the M33

... We thank the Swift team for their rapid scheduling of this observation. ... 2455705.20851 V 14.15 0.03 2455707.83079 V 14.10 0.03 2455710.84028 V 13.53 0.02 2455713.64631 V 13.66 0.02 2455714.65479 V 14.11 0.03 2455714.71823 V 14.12 0.02 2455714.78596 V 14.20 0.02 2455717.39593 V 14.37 0.03 2455726.62861 V 14.83 0.04 2455727.16343 V 14.57 0.04 2455730.50586 V 14.57 0.03 2455730.57329 V 14.56 0.03 2455730.70360 V 14.66 0.04 2455738.32865 V 14.00 0.02 2455742.86146 V 14.21 ...

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• The NMW survey homepage

... We have compared visualized fields of GSC and USNO A1.0 catalog with unpublished photographic finding charts that were sent by L. Plaut to the compilers of the GCVS. ... 7-15 A9 --- GCVS GCVS or NSV name 17-25 F9.4 --- GSC GSC number 26 A1 --- NoteFlag *Nonstar (GSC) flag 28-29 I2 h RA2000GSC.h Hours RA (GSC), equinox 2000.0 31-32 I2 min RA2000GSC.m Minutes RA (GSC), equinox 2000.0 34-38 F5.2 s RA2000GSC.s Seconds RA (GSC), equinox 2000.0 40 A1 --- DE2000GSC.- ... Plaut, L., 1966, Bull. ...

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• General Catalogue of Variable Stars: Vols I-III (the new electronic version).
• European Astronomical Society(EAS): NEWS
• General Catalogue of Variable Stars: Homepage.

... Be/X-ray binaries and candidates", Natalya V. Raguzova and Sergei B. Popov, Astron. ... Population Synthesis of Binary Be Stars with Degenerate Companions in the Galaxy", Natalya Raguzova, Astrophysics and Space Science, v.281, p.641-649 (2002) . ... The Evolutionary Evidence for Be/Black Hole Binaries", Natalya V. Raguzova and Vladimir M. Lipunov, The Be Phenomenon in Early-Type Stars, IAU Colloquium 175, ASP Conference Proceedings, Vol. 214, edited by Myron A. Smith and Huib F. Henrichs. ... 1998 ...

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• Sources in the LMC: comments to the Table 2
• Astronomical Periodical Publications
• Discussion and conclusions

... The reduction system of observations FADPS (description in Russian) (Flexible Astronomical Data Processing System) for data of wide-band receivers of the first observation cabin of the radio telescope RATAN-600 had been created under the Unix-like operational system DEMOS for computers of the SM-1420-type (PDP/11) in 1987 for observation analysis and estimates of coordinates and flux densities of radio sources. ... FADPS: flexible astronomical data processing system at RATAN-600 in UNIX environment....

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