Еще в разделе: (Показать все результаты (>209) - www.asc.rssi.ru/ )

. " The Arecibo Observatory is sponsored by the National Science Foundation. Any opinions, findings and conclusions or recommendations . expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation."

Еще в разделе: (Показать все результаты (>6080) - www.naic.edu/ )

• Comets National Astronomy and Ionosphere Center (Arecibo Observatory)

Еще в разделе: (Показать все результаты (>3487) - www.jsc.nasa.gov/ )

... A1 centered at 2500 angstroms with a width of 1200 angstroms . ... UGC 6151 is a Low Surface Brightness Galaxy which is at the center of the first deep survey field taken with UIT. The total exposure time was 1370 seconds out of a planned 2000 through the A1 filter. ... The galaxy has very faint outer spiral structure and tightly wound inner spiral structure. The outer spiral structure should be more prominent at UV wavelengths if star formation is occurring out there. ...

Еще в разделе: (Показать все результаты (>405) - zebu.uoregon.edu/ )

• U of O High Energy Physics Seminars

... 2004 June 29 . In the Center of NGC 6559 . ... Explanation: Bright gas and dark dust permeate the space between stars in the center of a nebula known as NGC 6559 . ... As energetic light from neighboring stars ionizes interstellar hydrogen , protons and electrons recombine to emit light of very specific colors , including the red hue observed. ... NGC 6559 lies about 5000 light-years away toward the constellation of Sagittarius . ... About APOD | ... NASA Official: Jay Norris. ...

Еще в разделе: (Показать все результаты (>8135) - www.sai.msu.su/ )

• APOD: 2014 May 20 - In the Center of Spiral Galaxy M61
• APOD: September 29, 1999 - The Crab Nebula in X Rays
• APOD: 2001 September 10 - Galactic Center Flicker Indicates Black Hole

... НЕПРЕРЫВНОГО МАТЕМАТИЧЕСКОГО ОБРАЗОВАНИЯ . ... Кружок ?Олимпиады и математика? ... Московская математическая олимпиада . Заочный математический конкурс . ... Устные математические олимпиады . Олимпиады по программированию . Математический праздник . Математические регаты . ... Математические бои . Олимпиада по геометрии им. И.Ф.Шарыгина . ... Программа ?Math in Moscow? Научные конкурсы . Творческий конкурс . ... График олимпиад . ... XXVII Математический праздник . ...

Еще в разделе: (Показать все результаты (>462) - www.mccme.ru/ )

• Moscow Center for Continuous Mathematical Education - Independent University of

... Fig. 6 gives three sets of the azimuthally averaged profiles and the encircled energy plots. These are shown for (1) the PSFs (Image, Library, and Tiny TIM) for the image R136 F555W, and (2) the vicinity of the restored PSF star, centering on the PSF star with a radius 2 5, for the image R136 F555W, and (3) the PSF star area in the restored image of R136 F547W. The FWHM of the PSFs generated from different methods are all nearly the same (0 1). ...

Еще в разделе: (Показать все результаты (>18811) - www.stsci.edu/ )

• Obsolescent Acquisition Parameters
• M3: An Ideal Laboratory for Testing Stellar Evolution and Dynamics
• WFPC2 Instrument Handbook Update

... 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. ...

Еще в разделе: (Показать все результаты (>5) - www.kiam1.rssi.ru/ )

... The performance of each algorithm on the simulated lightcurves is scored accor ding to the rates of false positive (Type I) and false negative (Type II) errors. ... Combined: threshold normalization = 5 в 10 -4 References · Aschwanden, M.J., Nightingale, R.W. Tarball, T.D., & Wolfson, C.J. 2000, Ap J , 5 3 5 , 1 0 2 7 · Hudson, H.S. 1991, SoPh, 133, 357 Figure 3 Calibrating the event detection algorithms to optimize false positives, using the simulated lightcurves with zero events. ...

Еще в разделе: (Показать все результаты (>2845) - hea-www.harvard.edu/ )

• Source Selection
• The Diffuse X-Ray Background
• ChaMPlane Bulge Windows Survey

BRIGHT OPTICAL FLASH FROM GRB 060117 - AN EXAMPLE OF EVENT DETECTED WITH OMC CLASS INSTRUMENT Д Д Petr Kubanek1,2 , Martin JelД inek3 , Michael Prouza4,5,6 , Rene Hudec1 , and Martin Nekola1 1 Astronomicky ustav Akademie ved Ceske republiky, Ondrejov, Czech Republic ДД Д 2 INTEGRAL Science Data Center, Chemin d'Ecogia 16, Versoix, Switzerland 3 Instituto de AstrofД isica de AndalucД (IAA-CSIC), Granada, Spain ... INTEGRAL GRBs are detected during -ray observations of knows sources. ...

Еще в разделе: (Показать все результаты (>789) - hea.iki.rssi.ru/ )

• http://hea.iki.rssi.ru/integral06/papers/G37_Brandt01-11May07_16:30:00.pdf
• SXG Science Data Center

Peremennye Zvezdy", . ... USNO-B1.0 0610-0600707 . ... USNO-B1.0 0608-0607099, 2MASS J17455451-2908127 . ... The star is too faint to be detected in the W2 band. It is difficult to unambiguously match the star with a 2MASS catalog object. ... The variable is the brighter southern star. It was not possible to measure the stars separately using UVOT U and W1 images, so the light curves and the variability amplitudes in these two bands refer to the combination of two stars. ...

Еще в разделе: (Показать все результаты (>114419) - www.astronet.ru/ )

• XWare > APOD

... Observing . ... Home Observing Lincoln Center Lincoln Center Observing Schedule . ... Clear Sky Chart . ... Lincoln Center . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Еще в разделе: (Показать все результаты (>620) - www.aaa.org/ )

• Lincoln Center ? Amateur Astronomers Association of New York
• Franklin Lincoln Center 3 copy 2 ? Amateur Astronomers Association of New York
• lincoln center ? Amateur Astronomers Association of New York

... A tussle in the distant Universe. This Hubble Space Telescope image shows evidence for a merger between a quasar and a companion galaxy. The quasar is the bright object just beneath the image center, and the wisps of material around it are remains of a galaxy disrupted by the interaction between it and the quasar. ... Galactic Nuclei: Old Quasars? Quasars as Probes of the Distant Universe . ... Quasars. ... The name quasar is made up with parts of the words "quasi-stellar radio." ...

Еще в разделе: (Показать все результаты (>1223) - www.astrosociety.org/ )

• ASP: Book Review
• ASP: Observing
• ASP: Resource Center

... The Galactic low-mass X-ray binary GS 2023+338 was discovered during the burst on May 22, 1989 with the Japanise satellite Ginga (aka Galaxy). The flux reached 17 crabs (this unit of flux measurement is an bright X-ray source, Crab Nebula) at 10-35 keV. ... No other radio telescope worldwide carried out multi-frequency measurements. ... Upon 14 days the radio flux fell below the detection level at the RATAN-600 in relation to the decrease of the X-ray flux. ...

Еще в разделе: (Показать все результаты (>280) - mavr.sao.ru/ )

• Measurement of the dark halo shape in polar ring galaxies
• Detection of Radio Transients and Variable Radio Sources Using the Archive Data
• Galaxy sector, archive 1994

. [ Go back to Comet WWW site ] . Andrew A. Martis . martis @ sai.msu.ru .

Еще в разделе: (Показать все результаты (>151) - comet.sai.msu.ru/ )

Next: NICMOS/HST H-band (F160W) Images Up: NICMOS Science Previous: HST NICMOS Observations of . ... Observations of P . ... The NICMOS team has devised a comprehensive program of observations of the Galactic Center. ... Data in hand give a first look at variability and a detailed look at the search for the tip of the main sequence will be discussed where NICMOS has demonstrated adequate sensitivity and photometric precision to identify likely O8-B1 stars at the Galactic Center. ...

Еще в разделе: (Показать все результаты (>234) - www.stecf.org/ )

• NICMOS/HST H-band (F160W) Images of the 30 Dor Starburst Cluster

Here user should specify the origin of coordinate system (observer's position). In case of rectangular coordinates it can be center of any major planet or the Sun or any minor planet. ... For spherical coordinates the origin of coordinate system can coincide only with the center of the Earth or with any point on the Earth surface. ... a)by code of observatory in the list of observatories maintained by Minor Planet Center (see IX. Observatories ). b)by introducing name of observatory. ...

Еще в разделе: (Показать все результаты (>539) - www.ipa.nw.ru/ )

• Keywords_133

I will present theresults from a deep, extended, planetary nebulae survey in a 0.5 sqdeg region centered on the brightest cluster galaxy NGC 4486 (M87) in the Virgo cluster core, carried out with SuprimeCam@Subaru and FLAMES-GIRAFFE@VLT. ... A substructure detected in the projected phase-space of the line-of-sight velocity vs. major axis distance for the M87 halo planetary nebulae provides evidence for the recent accretion event of a satellite galaxy with luminosity twice that of M33. ...

Еще в разделе: (Показать все результаты (>606) - www.mso.anu.edu.au/ )

• The High-Z SN Search Description
• Siding Spring Survey Links
• C/2006 P1 (McNaught)

... Observing may be done from any location. ... See this link for further details, limiting magnitude charts, and star count tables: http://www.imo.net/visual/major/observation/lm Proof Point Information : Shapley-Sawyer Classification: Reference: http://x.astrogeek.org/articles/article.php?article_id=15 Brief Description: I - High concentration toward the center; E.g ., NGC 6864, M75 II - Dense central condensation; E.g ., NGC 7089, M2 III - Strong inner core of stars ; E.g ., ...

Еще в разделе: (Показать все результаты (>66527) - www.atmob.org/ )

• http://www.atmob.org/about/observing/awards/files/open_cluster_instructions_2011-02-01.pdf
• Amateur Telescope Makers of Boston

... Comet Tutorial . ... On July 1, 1993 an image was taken with the Hubble Space Telescope (HST) that clearly shows at least 15 individual fragments in one image frame of the train. ... This made an accurate orbit (or orbits) difficult to determine; however, after numerous observations of the comet, astronmers determined that the comet had passed within 96,000 kilometers (60,000 miles) of the center of Jupiter or 25,000 kilometers (16,000 miles) from the cloud tops during the July 8, 1992, approach. ...

Еще в разделе: (Показать все результаты (>755) - www.iki.rssi.ru/ )

• Electric Currents from Space
• First X-Rays From a Comet Discovered
• The Acceleration of the Aurora