... 22.Reference Frames . ... To derive the motion of a penny dropped inside an airliner moving at 600 miles/hr (about 1000 km/hr)--should we calculate it with respect to the interior of the airliner, or with respect to the ground? ... And if a similar penny is let go inside an orbiting spaceship--should its motion be calculated relative to the interior of the spaceship, or relative to the Earth outside? ... How do observations differ in the two frames--the airliner cabin and the Earth? ...

... To derive the motion of a penny dropped inside an airliner moving at 600 miles/hr (about 1000 km/hr)--should we calculate it with respect to the interior of the airliner, or with respect to the ground? ... And if a similar penny is let go inside an orbiting spaceship--should its motion be calculated relative to the interior of the spaceship, or relative to the Earth outside? ... Each such choice is known as a frame of reference . Some possible frames are -- the interior of the airliner, . ...

... 5em -Binney, J. & Tremaine, S., 1987, Galactic Dynamics, Princeton University Press, Princeton, NJ . Bisnovatyj-Kogan, G.S. & Moiseenko, S.G., 1992, AZh 69, in press . Brainerd, J.J., 1992, Nature, 355, 132 . Chugaj, N.N., 1984, Pis'ma Astron. ... Hartmann, D., Epstein, R.I. & Woosley, S.E., 1990, Astrophys. J. 348, 525 . Imshennik, V.S. & Nadyozhin, D.K., 1992, Pis'ma Astron. ... Kornilov, V.G. & Lipunov, V.M., 1983, Astron. ... Lipunov, V.M. & Postnov, K.A., 1987, Astrophys. ...

Integrated pulse profiles in EPN format There are presently 606 pulsars and 2741 profiles in the database. ... References acj+96---Anderson, S., Cadwell, B. J., Jacoby, B. A., Wolszczan, A., Foster, R. S. & Kramer, M., 1996. 143­ms Radio Pulsar in the Supernova Remnant S147. ... J., 422, 671--680. bjb+97---Bailes, M., Johnston, S., Bell, J. F., Lorimer, D. R., Stappers, B. W., Manchester, R. N., Lyne, A. G., D'Amico, N. & Gaensler, B. M., 1997. Discovery of four isolated millisecond pulsars. ...

. Sternberg Astronomical Institute, Moscow, Russia . GENERAL CATALOGUE OF VARIABLE STARS: References . File Summary: . GCVS References . NSV References . NSV Supplement References . The list of the abbreviations in the References .

New reduction of minor planets photographic plates obtained with Pulkovo Normal Astrograph A.A. Berezhnoy Pulkovo Observatory of RAS, Saint-Petersburg, Russia Minor Planet observations at Pulkovo Periodical observations of 14 bright asteroids named Selected Minor Planets (SMP) were performed at Pulkovo since 1948 within the international framework started by works of B.V. Numerov and D. Brouwer. ... 108 133 113 74 124 67 97 88 14 84 64 5 20 19 Epochs (YYYY.MM) 1200 Mean values of total obs. ...

... V. FASTT Observations Taken in 2000-2001 The Astronomical Journal. ... Year of the moment of observation 3. ... Hour of right ascension (alpha, h) 9. ... Degree of declination (delta, deg) 12. ... NOFS Telescope/Reference Catalog -------------------------------------------------------------------------------------- N Year h alpha delta parallax Telescope/ Catalog sat month m alpha delta day s h m s deg ' '' arcsec --------------------------------------------------------------------------------------...

Next: NICMOS Science Up: NICMOS Data Calibration and Previous: NICMOS Software at the . ... Reference File Tools . Image Analysis and Reduction . ... These include the tasks used in the STScI pipeline, tools to generate the reference files used by the calibration pipeline tasks, and general image analysis, manipulation, and arithmetic tasks. ... Calnica is used to apply instrumental calibrations to individual datasets, while calnicb is used to process associated sets of NICMOS images. ...

... This is combined emission from all the gas clouds circling the black hole, between 0.1 and 10 light years out. ... These are the expanding clouds of gas left behind when a massive star comes to the end of its life and explodes, producing a supernova. ... Also known as the Veil nebula, a vast and beautiful whispy nebula left over from an exploding star. ... The Crab Nebula (120kb). ... Carbon Star (120kb) Red giant stars, surrounded by clouds or carbon dust. ... 3500 K star (64kb) , like Aldebaran. ...

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Blackholes2 Forum Message . Forums: . ... Discussion Forums | ... Post . ... Please Give The Reference. Forum List | ... Post Message | ... Posted by Becky on October 3, 2003 05:27:58 UTC . ... Reference - yanniru - October 3, 2003 - 12:54 UTC . Login to Post . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Linux device list. A list of major and minor device numbers for Linux devices. ... A description of and a proposal for a standard Linux directory tree, with the intention is to make it easier to package software and administer Linux systems by making files appear in standard places. ... Available via FTP from ftp.funet.fi , directory /pub/Linux/doc/fsstnd . ... Linux filesystem defragmenter. Available electronically from \ ftp://sunsite.unc.edu/pub/Linux/system/Filesystems/defrag-0.6.tar.gz . ...

... Sternberg Astronomical Institute , Moscow University . ... Present edition unites two parts of Catalogue of interacting galaxies by B.A.Vorontsov-Velyaminov: the first part (Part 1) containing 355 systems was published in 1959 [1] and the second one (Part 2) with 497 objects - in 1976 [2].Thus two published parts of Catalogue include 852 interacting systems. ... All new of them (1162 by number) were taken from the comments to the galaxies in Morphological catalogue by Vorontsov-Velyaminov et al.[ ...

... a journal of his thoughts and experiences, some two million words in . ... The boy's sled gets put away in the barn or shed, and there it lies . dormant all summer, like a woodchuck in winter. ... sees a sled, nor a sled a woodchuck, unless it were a prematurely risen . ... Journal, 25 March 1860 . ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

. The new version of this page requires Netscape 2.0 or up. You may still use old version of this page if your browser doesn't supports frames. Leave a message ? oleg@sai.msu.su

... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

ПЕРЕЛ?К ПУБЛ?КАЦ?Й СП?ВРОБ?ТНИК?В ГАО . ... Kharin A.S. A Preliminary Reference Catalog of Infrared Sources. ... Kharin A.S. About The IRAS PSC Position Accuracy Melioration. ... Kharin A.S. Conseption of creation of the IR reference system after Hipparcos. ... Kharin A.S. Vertypolokh O. Babenko Yu.G. List of the stars for connection optical IR and radio coordinate systems. ... Kharin A.S. IRFK5- infrared reference catalogue the base FK5. ... Второй Укр. конф. по перспективным космич. исслед., ...

Astronomy Picture of the Day . Tychos Supernova Remnant in X ray . ... By looking at external galaxies, astronomers can guess that these events, known as a supernovae , should occur about once every 30 years in a typical spiral galaxy like our MilkyWay. ... The nebula is known as Tycho's Supernova Remnant . ... Publications with keywords: nebula - molecular cloud - supernova remnant - supernova . Publications with words: nebula - molecular cloud - supernova remnant - supernova . ...

Формат DjVu требует для своего просмотра установки на машину специальной программы (Plug-in), которую можно свободно скачать как для Windows-машин (около 5 Mb), так и для Unix-машин (около 2 Mb). ... The following keyboard shortcuts allow you to quickly navigate through a DjVu document. They work when you type them while the plug-in window has keyboard focus (click on the DjVu document anywhere except within a hyperlink to gain keyboard focus). ... Page Up . ... Display the DjVu Help page. ...