... 3.09.2000 . ... Working at Harvard College Observatory , Leavitt precisely calibrated the photographic magnitudes of 47 stars to which all other stars could be compared. Leavitt discovered and cataloged over 1500 variable stars in the nearby Magellanic Clouds . From this catalog, Leavitt discovered that brighter Cepheid variable stars take longer to vary, a fact used today to calibrate the distance scale of our universe . ... Publications with keywords: scientist - Henreitta Leavitt - star . ...

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• Journal "Peremennye Zvezdy" > PZ: main journal.
• NGC 2261: Hubbles Variable Nebula
• Nearby Cepheid Variable RS Pup

... Two new LBV stars have been discovered in the Andromeda Galaxy. ... In Figure 1 the spectral energy distributions for six stars are shown: upper row - the newly discovered LBV stars, middle row - two well-known LBV stars Var A-1 and AE And, the lower row - two new B[e]-supergiant stars in Andromeda. ... Infrared spectra of the stars in the Andromeda Galaxy: two classical LBVs Var A-1 and AE And, two new LBVs J004526.62 and J004051.59, and two new B[e]-supergiants J004417.10 and J004444.52. ...

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• New LBV Star Discovered in the Galaxy
• Galaxy sector, archive 2010
• Metagalaxy sector, archive 2015

... Master . Master net Homepage . ... About Space Monitoring Laboratory, scientific directions, instruments, contacts . ... 18.06.2013 . ... J142023.5-485540. ... MASTER OT J142023.5-485540 относится к редкому подклассу . ... Астронома ATel #5144: http://www.astronomerstelegram.org/?read=5144 . ... The brightest MASTER's dwarf nova discovered in Argentina! ... astronomical object - dwarf nova MASTER OT J142023.5-485540 in Lupus . ... record (12.6m) belonged to the dwarf nova in Perseus MASTER . ...

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GCVS Research Group: . Recent publications . Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 81st Name-List of Variable Stars. ... Kazarovets E.V., Samus N.N., Durlevich O.V., Kireeva N.N., Pastukhova E.N., The 80th Name-List of Variable Stars. ... Samus N.N., Kazarovets E.V., Kireeva N.N., Pastukhova E.N., Durlevich O.V. General Catalogue of Variable Stars: Current status and new Name-lists Odessa Astronomical Publications, 2010, V. 23, p. 102-105. ...

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• GENERAL CATALOGUE OF VARIABLE STARS
• Future Prospects of Variable-Star Catalogues
• General Catalogue of Variable Stars: Vols I-III (the new electronic version).

... Team . ... GRB mini-workshop 2006 . ... On April 8, 2005, an optical afterglow of the GRB 050408 was discovered with the SAO's telescopes (the 1-meter telescope Zeiss and 6-meter telescope BTA) within the framework of a joint BTA request (SAO RAS + IAA CSIC, Granada, Spain) on optical identification of gamma-ray bursts. We first detected a variable object only by our own data in the localization error-box reported by the space observatory HETE and then it was confirmed by our observations in SAO. ...

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... Cataclysmic Variables . ... The main aim of this survey is to discover new stellar binary systems with orbital periods less than ~80 min. ... The intensity of stellar objects can vary on a wide range of time-scales, ranging from seconds to months to years. ... Most of these surveys are sensitive to timescales longer than a day. ... For instance, the 0.3 deg x 0.3 deg survey using the Canada France Hawaii Telescope was sensitive to variations on timescales as short as ~8 min (Lott et al 2002) . ...

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• http://star.arm.ac.uk/~gar/research/compact.binaries.html
• Armagh Observatory
• Japanese Discover Large Earth Crossing Asteroid

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 22, 1998 . M61: Virgo Spiral Galaxy . ... Explanation: M61 is a barred spiral galaxy located in the nearby Virgo Cluster of Galaxies . Visible in M61 are a host of features common to spiral galaxies : bright spiral arms , a central bar , dust lanes , and bright knots of stars. ... About APOD > . ...

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• APOD: September 5, 1998 - The Pulsar Powered Crab
• APOD: September 9, 1999 - Comet Hale Bopp Over the Superstition Mountains
• APOD: September 17, 1999 - M3: Half A Million Stars

... Stars . ... Cepheid variable stars have been known since the 18th century. ... Regularly brightening to a peak over days, weeks or months before fading these variable stars were remarkable curiosities to astronomers in past centuries.€а The term Cepheid is taken from the star Delta Cephei in the constellation of Cepheus, which was identified as variable€а in 1784 by the teenaged prodigy John Goodricke (1764-96). ... Tweets that mention Cepheids: Inconstant Stars which break the rules | ...

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• Kepler 36b and c: Too Close for Comfort | Astronotes
• Comet ISON: will it be Comet of the Century? | Astronotes
• stars | Astronotes - Part 6

... Graduated from Moscow State University in 1970 and till now in permanent staff of the Sternberg Astronomical Institute, Moscow State University. ... Member, Euro-Asian Astronomical Society . ... Jointly with Dr. V.Konnikova, I teach a course in Radio Astronomy at the Astronomy Division , Physics Department of Moscow State University . ... Astronomical Meetings . ... Net Search: MetaCrawler . ... Moscow State University . ... Rudnitskij, Georgij M. Page last updated November 25, 2015. th . ...

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• Multiwavelength Study of Mira Ceti-Type Variable Stars
• Changing shell variables
• Displaying current variables

... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...

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• High Energy Astrophysics Department at IKI RAN

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

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• MASTER : List of HAZARDOUS ASTEROIDS (PHA) and COMETS discovered by MASTER

XPA supports host-based access control for each XPA access point. You can enable/disable access control using the XPA_ACL environment variable. ... See XPA Access Points and Templates for more information about xpa templates. ... For example: xpaset -p xpa1 -acl "somehost -" will turn off all access control for somehost to the xpa1 access point, while: xpaset -p XPA:xpa1 -acl "beberly gs" will give beberly xpaget and xpaset access to the access point whose class is XPA and whose name is xpa1. ...

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• Aneta Siemiginowska - Home Page
• The AstroStat Slog 2009 September
• XPA Communication Methods

Follow-up observations with the University of Washington 0.76 m telescope at Manastash Ridge Observatory (MRO) of the Sloan Digital Sky Survey (SDSS) cataclysmic variable (CV) SDSS J170053+400358 are presented. ... They estimate that the dimming amounted to about 0.028 mag (using two comparison stars that were each about 4 mag fainter than HD 209458). only UW affiliated authors have been listed, student researchers are marked with an ``*'' . ... XTE J1859+226" UW affiliated authors: *Kevin Krisciunas. ...

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• Untitled Document
• lsst.tcc: Class Members - Variables

... Observing . ... Home Education Workshops at Adorama Astronomy Workshop: Observing Variable Stars from the City ? February 15, 2015 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Presented by€а Adorama €аFor the Amateur Astronomers Association of New York . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...

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• List of publications
• Alexei Kritsuk's Home Page
• Separation of variables method

... Lecture course (2015/2016) "Galactic Astronomy" (PPT, PPTX) (for 2nd grade students, in Russian) . ... Lecture course (2015/2016) "Astronomical Distances" (PPT) (for postgraduate students, in English) . Lecture course program "Galactic Astronomy" (DOC, for 2nd grade students, in Russian) . Lecture course program "The Elements of Stellar Dymamics" (for 4-5th grade students, in Russian) . Tutorials on astronomy (PDF, PS, DJVU, HTML) . ... My Reviews and Talks (In Russian) . ...

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• Anna Mel'nik - My Home Page
• Отдел Изучения Галактики и переменных звезд
• Shugarov's Home Page

... 8-10.10.2001. ... Корепанов В.Е., Ивченко В.Н., Лизунов Г.В., Дудкин Ф.Л. "Космический научный эксперимент "ВАРИАНТ" на борту ИСЗ "С?ч-1М" " // - / - С. 51-58. ... 2002. ... Plasma Processes in the near-earth space: Interball and beyond. ... С. Кривдик В.Г. "Електромагн?тне випром?нювання в?д колапсуючих з?рок" // - / - С. Lozitsky V.G., Lozitsky V.V. "Magnetic field diagnostics in the solar flare of 29 March 2001" // 9th Open Young Scientist's Conference on Astronomy and Space Physics. ...

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• A computer controlled low light photometer for nightglow observations
• Olexiy V. Agapitov publications

Stellarium 0.12.3 . ... Classes . ... ClassљList . ClassљIndex . ClassљHierarchy . ClassљMembers . ... Variables . ... aggregatedLog : StelQGLGLSLShader . ... altitude : StelLocation . ... defautAngleForGravityText : StelProjector::StelProjectorParams . ... epoch : varstar . ... info : Planet::SharedPlanetGraphics , StelModuleMgr::PluginDescriptor . ... locked : StelQGLInterleavedArrayVertexBufferBackend , StelQGLArrayVertexBufferBackend . ... state : StelQGLGLSLShader , StelLocation . ...

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• Stellarium: varstar Struct Reference

... Main . ... April 2016 . ... December 2015 . November 2015 . October 2015 . September 2015 . August 2015 . July 2015 . June 2015 . May 2015 . April 2015 . March 2015 . February 2015 . January 2015 . December 2014 . November 2014 . October 2014 . September 2014 . August 2014 . July 2014 . June 2014 . May 2014 . April 2014 . March 2014 . ... December 2013 . ... April 2013 . ... December 2012 . ... April 2012 . ...

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... 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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• Elena Seifina. Publications
• Tatjana Khruzina