... Leading Wave as a Component of the Spiral Pattern of the Galaxy A. M. Mel'nik * Sternberg Astronomical Institute, Universitetski i pr. ... The spiral pattern of the Galaxy is shown to be representable as a superposition of trailing and leading waves with interarm distances of = 1.8 ± 0.4 and 4 ± 2 kpc, respectively. ... 2 2005 LEADING WAVE 85 of two spiral components: a tightly wound spiral wave with an interarm distance of = 1.8 ± 0.4 kpc and a leading arm with an interarm distance of = 4 ± 2 kpc. ...

... India (2011) 00, 1­11 Evidences of the central engine activity in the Naked-Eye Burst prompt optical emission S. Karpov1 , G. Beskin1 , S. Bondar2 , A. Guarnieri3 , C. Bartolini3 , G. Greco4 and A. Piccioni 1 2 3 4 3 Special Astropysical Observatory, Nizhnij Arkhyz, Russia, 369167 Institute for Precise Instrumentation, Nizhnij Arkhyz, Russia, 369167 Astronomy Department of Bologna University, Bologna, Italy Astronomical Observatory of Bologna, INAF, Italy Received 17th February 2012 Abstract. ...

... Using the CFBDSIR wide field survey for brown dwarfs, we identified CFBDSIRJ214947.2-040308.9, a late T dwarf with atypically red J-Ks colour. ... SN 2009ip in NGC 7259 Electronic Telegram No. ... 7.09, [19.0; 2009 Aug. ... Accepted for publication in MNRAS Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) The jet opening angle theta_jet and the bulk Lorentz factor Gamma_0 are crucial parameters for the computation of the energetics of Gamma Ray Bursts (GRBs). ...

FEATURES OF THE HYDROGEN DISTRIBUTION AROUND LUNAR CRATERS PROCLUS AND KEPLER. ... In result of analysis of the data Lawrence and Feldman constructed the hydrogen distribution on the lunar surface [1]. ... However, the authors shown, that EN flux data features may be explained by other element abundance in the lunar soils, namely: Si, Ca, Gadolinium (Gd), Samarium (Sm) and Fe. ... Using of the Feldman's interpretation of the Lunar Prospector data [8], we constructed hydrogen distribution map (Fig.1). ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Research results on fast active processes General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases ... Distribution of the recorded spikes in duration . ...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Four spiral galaxies in Leo . ... Study predicts distribution of gravitational-wave sources . ... The new study suggests that astronomers might not want to look in the nearest galaxies for these "optical counterparts" of gravitational waves. ... Detecting the optical counterparts of gravitational-wave detections will be a lot easier if they are not within galaxies," Ramirez-Ruiz said. ...

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

. Name . Last Modified . Size . Type . Parent Directory / . - . Directory . 10.2 / . 2009-Dec-06 17:59:27 . - . Directory . lighttpd/1.4.37

... GAMMA RAY BURSTS . with guest Dr. Dale Frail from National Radio Astronomy Observatory . ... Gamma-Ray Bursts . A Collection of Resources to Get Behind the Headlines . Andrew Fraknoi (Foothill College & ASP) . ... This is a fine introduction to violent events in the universe by a noted astronomer, with a good section on gamma-ray bursts. ... On the Swift mission and what it is teaching astronomers about gamma-ray bursts. ... http://imagine.gsfc.nasa.gov/docs/science/know_l1/bursts.html . ...

... For this purpose, catalog entries for stars within 12њx6њ region centered at 12h 20m right ascension and 33њ declination were examined. ... In Figure 1, the distribution in Johnson V magnitude of all Tycho catalog entries for stars within 12њx6њ region centered at 12h 20m right ascension and 33њ declination is plotted . ... Figure 1 : Distribution of magnitude in Johnson V. This is for the 510 stars from the Tycho catalog in a 12њx6њ area in the center of the northern survey region. ...

... Maidanak Observatory by AZT-22 1.5m telescope observations Alexander S. Gusev and Boris P. Artamonov Sternberg Astronomical Institute, Moscow, Russia gusev@sai.msu.ru INTRODUCTION Mount Maidanak Observatory at Ulugh Beg Astronomical Institute (UBAI) of Uzbek Academ y of Sciences located in the South Uzbekistan, on the slopes of the Baisun range, at an altitude of 2600 m. Brief history. ... Here we are presenting the study of the realistic seeing of CCD images obtained on the AZT-22 telescope. ......

. Red histogram is 2dF QSO Redshift Survey . Blue histogram is Durham/AAT QSO Survey . | Front page | . | << - Number Counts | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...