... Bad Astronomy . ... Mad Science . ... How fast must an object be travelling so the sound I perceive as it directly passes me will drop in pitch exactly one octave? ... When an object is moving past another object, any sound emitted by the first object is changed in pitch due to the relative motion. ... wl(emitted)" is the wavelength of sound emitted by the object at rest, "wl(heard)" is the wavelength you hear from the object, "v" is the velocity of the object, and "c" is the speed of sound. ...
CATALOG OF CONSUMER GOODS . KEY TECHNOLOGIES FOR CONSUMER GOODS PRODUCTION . ... AIR SUCTION UNIT . Air suction unit ом53е.2000-0 and ом53е.2000A-0 . ... Air suction unit . ... Maximum consumed power, W . ... Maximum static pressure, kPa, (mm м 2 н), minimum . ... Maximum capacity, m 3 /S (m 3 /min), minimum . ... Sound-power level (noise), dBA, maximum . ... DIVERSIFICATION OF PRODUCTION . ... Official WEB-site of S.P.Korolev RSC Energia . ...
... KTP Specifications Flatness Scratch/Dig Code Parallelism Perpendicularity Angle Tolerance AR Coating Wavefront Distortion Dimension Tolerance Clear Aperture /8 at 633nm 10/5 to MIL-O-13830A < 20 arc seconds 5 arc minutes < ± 0.5°, < ± 0.5° R < 0.2% at 1064nm and R < 1.0% at 532 nm < /4 at 633nm (W ± 0.1 mm) x (H ± 0.1 mm) x (L + 0.2 mm/- 0.1 mm) > 90% of central area Standard Products Part No. ...
. Back to the main page . The mode of NRP . sigma-T eff diagram . The position of the array of the dimensionless frequencies of LPV variations on the diagram sigma-T eff . The region of the non-radial pusations of SPB stars is shaded. Points mark the region of non-radial pulsations of the beta Cep stars. Diagram is taken from Balona Dziembowski, MNRAS, 309, 221-232 (1999) for MS stars with 1.5 < M/M o < 40, X=0.70, Z=0.02 for 0.05<sigma<6 . The optimal value of l =4-8 .
... IRPS is the small size infrared photometer with detector cooled by liquid nitrogen . IRPS was designed as the instrument for work with optical systems with angular apertures . ... Multichannel preamplifiers (N*8) are designed for use with IR and mm wave detectors arrays. ... Thermoelectric cooling system is designed for use with IR detectors. ... IR photodetector modules with detectors cooled by LN2. ... Gas cooled radiation shield optical cryostat, IR detectors. liquid nitrogen capacity 1.2 ltr. ...
. CNRS researcher since October 2007 . Laboratoire de recherche en informatique (LRI, UMR 8623) . Bat 490 Universit Paris-Sud 11 . 91405 Orsay Cedex France . Combinatorics on words. Growth rate and extremal letter frequencies of words avoiding some repetitions. See here .
... 1621, 2015 April 20 Conrmation of Pulsed Radio Emission from the Pulsar J1907+0919 (Shitov Radio Pulsar, SGR 1900+14) A.P. Glushak, B.Ya. ... Observations at a frequency of 111 MHz with the Large Phased Array at the Pushchino Radio Astronomy Observatory of the Astro Space Center of the P.N. Leb edev Physical Institute conrm the pulsed radio emission of the X-ray pulsar J1907+0919 that is a counterpart of the magnetar SGR 1900+14. ... The average p erio dogram of PSR J1907+0919 is shown in Fig. ...
... В теме В разделе По форуму . ... Темы, интересные всем ? ... Научная панорама ? arxiv:1004.0115 Сравнение астрофизических и земных стандартов частоты . предыдущая тема следующая тема . ... arxiv:1004.0115 Сравнение астрофизических и земных стандартов частоты: что же лучшие часы? ... Точнее, они все-таки заметно хуже земных устройств, и на их основе, по мнению авторов, нельзя построить более точную систему счета времени. http://xray.sai.msu.ru/~polar/sci_rev/231.html#arxiv/1004.0115 . ...
The low aspect ratio, or spherical tokamak Globus-M [1] has recently been built in a support of international spherical tokamak plasma investigation program. ... The survey to determine the work scope in diagnostic design for Globus-M is given in the paper. ... The next one is an advanced diagnostic set intended to supply the data on basic plasma parameters: electron temperature and density profiles, ion temperature, plasma composition, radiation profile, Zeffective. ... Magnetic Diagnostics. ...
Электронная библиотека астронома-любителя. ... архив RSN . ... Ru.Space.News: . Апрель 1998 . ... Дата: 28 апреля 1998 (1998-04-28) От: Alexander Bondugin Тема: Cassini Update - April 26, 1998 Привет всем! ... The web site also contains some audio files, including a recording of the Mode-S beacon which plays for 20 seconds. ... During the period 1998-Mar-21 to 1998-Apr-15, excellent signals have once again been received from the 145.826 MHz beacon. ... The 435.025 MHz beacon is normally off. ...
... Comments: 7 pages with 3 embedded figures. ... Title: A high frequency radio study of G11.2-0.3, a historical supernova remnant with a flat spectrum core . ... Title: Superluminal motion in a compact steep spectrum radio source 3C 138 . ... Title: Compact steep-spectrum sources from the S4 sample . ... Accepted for ApJ. 42 matches for the search pattern steep spectrum . The URL for this page is: http://xxx.itep.ru/find/astro-ph/1/steep+spectrum+/0/1/0/past,all/7/0 www-admin@xxx.lanl.gov ...
... AST/RO and SPT: A Tale of Two Telescopes on the Antarctic Plateau . ... This month we welcome Dr. A. Anthony Stark, Astronomer in the Radio and Geoastronomy Division at the Harvard-Smithsonian Astrophysical Observatory, Principal Investigator and designer of the Antarctic Submillimeter Telescope, and Co-PI on the new South Pole Telescope (SPT). ... The South Pole Telescope (SPT) is a 10-meter diameter high-frequency radio telescope. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
... Michael Richard "Rich" Clifford (Lieutenant Colonel, USA) . ... From April to August 1991, Clifford was assigned to the Astronaut Office Mission Development Branch where he participated in the design, development, and evaluation of Space Shuttle payloads and crew equipment having extravehicular activity (EVA) interfaces. ... Clifford next served on STS-76, the third docking mission to the Russian space station Mir, which launched on March 22, 1996 with a crew of six aboard Atlantis . ...
Solar Physics (2006) 233: 89-106 DOI: 10.1007/s11207-006-2850-y C Springer 2006 ON THE POSSIBLE CONNECTION BETWEEN PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION A. G. KISLYAKOV and V. V. ZAITSEV Institute of Applied Physics, Nizhny Novgorod, Russia (e-mails: agkis@appl.sci-nnov.ru; za130 Dynamic spectra of low-frequency modulation of microwave emission from solar flares are obtained. ... PHOTOSPHERIC 5-MIN OSCILLATION AND SOLAR FLARE MICROWAVE EMISSION 93 Figure 2. ...
... ASTROPHYSICS 105 113 114 116 121 126 132 135 137 141 147 150 THE KINEMATICS PARAMETERS OF THE GALAXY USING DATA OF MODERN ASTROMETRIC CATALOGUES Akhmetov V.S., Fedorov P.N., Velichko A.B., Shulga V.M. .. ... Subsection "VIRTUAL OBSERVATORIES AND INTENSIVE DATA" 166 168 171 175 181 186 COMPARISON OF ZERO ZONE CATALOGUES OF THE FON PROGRAM BASED ON THE KYIV AND KITAB OBSERVATIONS Andruk V.M., Relke H., Protsyuk Yu.I., Muminov M.M., Ehgamberdiev Sh.A., Yuldoshev Q.X., Golovnia V.V. .. ...
Sp ecific features of differential motions in the DIMM V. Kornilov, B. Safonov May 28, 2010 1 Intro duction Differential image motion monitor DIMM widely used in studies of optical turbulence, is destined to measure the integrated effect of the Earth's atmosphere on the image quality. ... In the work of Martin, they are obtained by gradual spatial filtering 1 of the power spectrum of phase perturbations in the assumption of Kolmogorov's model of the optical turbulence (OT). ...
... It is reasonable to expect that UV part of the irradiating spectrum is most influenced by the grain evolution (growth and sedimentation ) which marks the very initial stage of planet formation. 2 log J [erg s1 cm2] 1 0 -1 -2 -3 1000 BB 40 0 0 (A5 ) BB 20 0 00 (A5) Drai ne (A5 ) BP Ta u (A5) BB 40 0 0 (GS) BB 20 0 00 (GS) Drai ne (GS) BP Ta u (GS) Disk Model Density distribution is based on a 1+1D disk ... Green lines are used for a model with dust growth and sedimentation. ...
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