... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2014 April 21 . Massive Nearby Spiral Galaxy NGC 2841 . ... A mere 46 million light-years distant, spiral galaxy NGC 2841 can be found in the northern constellation of Ursa Major . ... X-ray images suggest that resulting winds and stellar explosions create plumes of hot gas extending into a halo around NGC 2841 . ... About APOD | ...

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• APOD: 2015 April 28 - Massive Nearby Spiral Galaxy NGC 2841
• APOD: 2004 April 14 - Massive Star Forming Region DR21 in Infrared
• APOD: 2015 April 25 - Cluster and Starforming Region Westerlund 2

... 28.04.2015 . ... Credit Copyright: Roberto Colombari Explanation: It is one of the more massive galaxies known. A mere 46 million light-years distant, spiral galaxy NGC 2841 can be found in the northern constellation of Ursa Major . ... April . ... April 2015 . ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: spiral galaxy . Publications with words: spiral galaxy . ... NGC 3310: A Starburst Spiral Galaxy . ... In the Center of Spiral Galaxy NGC 3521 . ...

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• Massive Star Forming Region DR21 in Infrared
• In the Center of Spiral Galaxy NGC 3521
• Астронет > Massive Nearby Spiral Galaxy NGC 2841

... 13th European VLBI Network Symposium . and Users Meeting . on September 20-23, 2016. ... 13th European VLBI Network Symposium and Users Meeting on September 20-23, 2016. ... Year book "Ephemerides of Minor Planets for 2016" on-line . ...

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• KBHO-2013 first ann
• Values of asteroid masses

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The white dashed line shows the region studied in this paper, with a radius of 1.5 centered on the massive star system HD 206267 (O6.5V), which is the main ionizing source of the region. ... We demonstrate how the survey can be used to (1) reliably select classical T Tauri star candidates and (2) constrain the mass accretion rates with an estimated relative uncertainty of 0.6 dex. ...

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• Research Fellowship Massive Stars
• Apply for a Free Telescope! | International Year of Astronomy in Ireland |

... We report on our ongoing project ``Infrared Study of HII Regions Associated with Small Clouds.' ... These IR data, combined with optical imaging (which will be obtained from the IAC-80 telescope), IRAS survey maps, and existing CO observations of the associated clouds, will allow us to undertake a detailed investigation of the gas-to-dust mass ratio, initial mass function and the star-formation efficiency in these complexes. ... CHECKPSF: check the PSF (Point Spread Function) model, . ...

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• Science Software Applications
• Application of the Minimum Determination Algorithm to the Study of the Fine
• The Co-Addition Technique Applied to Images of Galaxy Cores

... Институт прикладной математики им. М.В.Келдыша . БАЛЛИСТИЧЕСКИЙ ЦЕНТР . О Центре . ... Баллистический Центр Института прикладной математики им. М.В.Келдыша РАН . Баллистический центр (БЦ) ИПМ им. М.В. Келдыша создан по предложению С.П. Королева и М.В. Келдыша в 1965 году. На него были возложены работы по баллистико-навигационному обеспечению (БНО) управления полетом пилотируемых кораблей и автоматических космических аппаратов научного и народно-хозяйственного назначения. ...

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... The barycentric corrections computed in 8.7.1 are applied to the event times in a time-sorted QPOE file. ... output files: rp90_out.qp ti apply_bary input qpoe file name: rp90_sti.qp[ time =(1606720.0:1612809.8)] # see Note 1 2 input correction table filename: rp110590_cor.tab output qpoe file name: rp90_out event definition: medium SCC- UTC conversion table is calibrated to SCC 110883482.0000 first qpoe gti time = J.D. 2448062.97604379, SCC 1606720.00000000 last qpoe gti ...

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• *plcreate* -- Defining a Region
• *qplintran* -- Apply linear transformation to a qp file through filter
• Spatial Region Boundaries

... Tonight's Sky . ... Sky this Month . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Johns Hopkins University Applied Physics Lab, Laurel, Maryland . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Space: women neednт??t apply? | Astronomy.com
• Massive computer simulation detects cause of high-speed electronics in space |
• Is emission nebula NGC 6334 a mini starburst region? | Astronomy.com

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...

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• QUANTIFYING THE IONIZING FLUX ESCAPING FROM THE ULTRA-LUMINOUS H II REGIONS IN
• Australia Telescope National Facility
• An investigation of the molecular clouds of the Carina HII region/molecular

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

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• GSAOI Orion Nebula Cluster Science Page
• IAU Commission #34 (Interstellar Matter)

. PAGE IN RUSSIAN . Form of the application (Excel file). Personal data questionnaire and the order of their presenting . Rules and Regulations for a participant of the Olympiad . Updated 23.04.2008. Dr. Michael G. Gavrilov, Founding Chairman of the International Astronomy Olympiad, . ISSP of Russ. Acad. Sci., Institute avenue 15, 142432 Chernogolovka, Moscow region, Russia. URL: http://www.issp.ac.ru/iao/2008/ . e-mail: gavrilov@issp.ac.ru . fax: + 7-(496-52)-49-701 .

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• XII International Astronomy Olympiad: Applications
• XVI International Astronomy Olympiad, applications
• The XI Asian-Pacific Astronomy Olympiad, applications

PHYSICAL AND CHEMICAL STRUCTURE OF HIGH MASS STAR FORMING REGIONS I.I. Zinchenko Institute of Applied Physics of the Russian Academy of Sciences 46 Uljanov str., ... Basic physical properties of detected clumps and molecular abundances were derived. ... In particular, we found that in regions of high mass star formation the CS emission correlates well with the dust continuum emission and is therefore a good tracer of the total mass while the N 2 H + distribution is frequently very di#erent. ...

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• http://www.sao.ru/cats/~satr/RFSymp/abs/40_Zinchenko.pdf
• http://www.sao.ru/drabek/CCDP/TAPER/HTM_resume/PRINSTON/pg83.pdf
• Density Determination

... Research areas . ... Events III All-Russian Research and Application Conference 'Actual Issues of Research in Avionics: Theory, Service, Development' - 'AVIATOR' . ... e-mail: aviator.vrn@mail.ru . ... State and development trends of electrical equipment and electro-optical systems of aircraft. ... Current state and development trends of information and management complex for aircraft. ...

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• Grechnikov Fedor Vasilevich
• Smelov Vitaliy Gennadievich
• Erisov Yaroslav Aleksandrovich

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• Spitzer View of Young Massive Stars in the Large Magellanic Cloud H II Complex
• Astronomy Magazine, July 1998
• Delta-doped Imagers for UV and EUV Applications - Figure 2

... April 2, 1999 . Stars of NGC 206 . ... Explanation: Nestled within the dusty arms of the large spiral galaxy Andromeda (M31), the star cluster NGC 206 is one of the largest star forming regions known in our local group of galaxies. The beautiful bright blue stars of NGC 206 betray its youth - but close, systematic studies of variable stars in and around NGC 206 will also accurately reveal its distance. ... About APOD > . ...

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• Doug Johnstone's Orion Page
• APOD: June 25, 1996 - A Star Forming Region in the LMC
• APOD: April 9, 1999 - WR 104: Pinwheel Star

... Sun images . ... Sun flares . ... Active areas . April : 2008 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . Sunspots Location on the Sun . The number of spots in the group . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for April 16, 2008 00:31 UT No H-alpha plages without spots can be currently observed on the Sun's surface . ... 7(499)132-65-96, Fax: +7(499)132-65-97 . ...

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• Sunspots and active regions April 09, 2016
• Sunspots and active regions April 01, 2015
• Sunspots and active regions April 10, 2012

Microsymposium 40, abstract 56, 2004 (A4 format) AUTOMATIC COMPILING OF HYPSOMETRIC MAP OF A PART OF THE 1 VENUSIAN SURFACE. ... The main principles applied in compiling the map such as the scale of the heights, types of prints and using of pictures of surface shall be apply in the compiling of the Hypsometric Map of Hemispheres of Venus in future. We consider that contours are the necessary features for hypsometric maps because allow to make measurement more accurate. ... Moscow., ...

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... Persons interested in participating the MSS-09 Conference should send applications before April 25, 2009 to IOC to one of the following e-mail addresses : . ... Preliminary title of the talk . ... Postal address . ... E-mail address for further communications . ... The detailed preparation instructions the full volume papers submitting and their publication will be sent later. The visas info and hotel accommodation one will be submitted later. ...

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• Isotropic boundary (Oulu)
• Applying Kepler's Third Law
• Sensors

... Space Research Institute . ... Instrumentation for planetary research . ... Martian mini station (MMS) Instrumentation for space plasma research . ... Plasma particle spectrometers for space missions . Plasma-wave complex (PWC) . Ionospheric plasma diagnostic complex (DPK) Telescopes and radiometers . ... Radiometric Complex Traverse Service and special instrumentation . ... Onboard control and data acquisition systems . The noiseproof coding equipment . ... Real-time control systems . ...

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• Applying Kepler's Third Law
• Application Pratique de la Troisi?me Loi de Kepler
• Momentum

Star formation is often best manifested by bright H II regions.These are regions of hydrogen which have been ionized by ultraviolet photons which are emitted from massive stars (typically stars more than 20 times the mass of the Sun). ... A narrowband filter image centered on this wavelength will then readily reveal these H II regions and hence the current sites of star formation in a galaxy, The luminous blobs that can be seen here are all H II regions . ... NGC 3558 Visual . NGC 3558 Infrared . ...

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• Evidence for Dark Matter
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