Next: Special Cases: Supernova Explosion Up: Change of Binary Parameters: Previous: Mass change . The binary separation a changes differently depending on the mass exchange mode. ... If the mass transfer is conservative ( , i.e. const) and one may neglect the redistribution of the intrinsic angular momenta of the components, the total orbital momentum conservation law implies . ... the orbital separation always increases in such systems). ...

First Mid Term Date has Changed . Classes on Friday . ... Second Midterm Date is Changed to May 29 . ... Local Astronomy Stuff . ... Excellent Overview of the Early Universe . ... First Midterm Results . First Midterm Answers . Second Midterm Results . Second Midterm Answers . ... Study Guide for the First Midterm . Study Guide for the Second Midterm . ... WEEK 1: ANCIENT COSMOLOGY . ... The Universe in the first 0.01 -0.1 seconds . The Universe in the first 0.1 -1 second . ...

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! ... Luckily nature has left a wide range of clues about evolution for us - at every scale of the universe - which we can uncover with some good astronomical detective work. a) Changes in the Solar System . ... An Ancient Universe - Table of Contents . ... The Universe: An Overview | ... The Changing Universe - Changes in the Solar System - Changes in Stars - Changes in the Universe | ...

... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Filtered solar views . ... With the range of filters and telescopes available for solar observing these days, we have never had a better opportunity to safely observe the Sun from the comfort of our backyards. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... Images obtained using the Faulkes Telescope South, operated by Las Cumbres Observatory. ... We also discovered another asteroid, but today in order to challenge ourselves in our last outing with the telescope we attempted to find 2013 UW8, which moved at a measly 0.42 arc seconds minute^-1 which according to Peter's expert calculations meant that the asteroid would need 143 seconds to move just 1 arc second in the sky. ... Callum Best, Gary Black, Peter Mc Manus . ... M.P.E.C. 2013-U87: 2013 UG9 . ...

In order to assist folks upgrading we are now going to maintain a document describing information critical to existing Apache users. Note that it only lists differences between recent major releases, so for example, folks using Apache 1.1 or earlier will have to figure out what changed up to Apache 1.2 before this document can be considered relevant. Old users could look at the src/CHANGES file which tracks code changes. ... There have been numerous changes to the default config files. ...

Posting Observations . ... You will need to subscribe to vsnet-acc (to allow you access to post your observations). ... VSNet has several different e-mail sigs, and sub sigs. ... These list are controlled by a software package called " Majordomo ", which allows you to subscribe and unsubscribe yourself from these list with an e-mail message (automated). ... Once you have subscribed to vsnet-acc (which will only send you a welcome message back and nothing else) you can post to the other list. ...

MAKING THE PROFILES . First of all you are expected to load a FITS file ("FILE"-"LOAD"). ... By pressing the middle button you copy the profile from the first profile window to the second one. ... An example: first integral can correspond to the profile of active region and second integral can correspond to the profile of quiet chromospheric region. ... The second profile (which is subtracted from the first one) you extract after clicking on "SUBTRACT"-"MARK QUIET PROFILE" and marking the region. ...

... New version of magnetic field data (descriptor "itm") is now available with small corrections in offsets and attitude coverage. ... Full set of INTERBALL-TAIL AKR radiointensity KP for AKR instrument is now available (descriptor "ita"). ... KP data availability plots are created. ... Magnetic field data (descriptor "itm") after 1st January, 1998 are recomputed with corrected Bx_GSE offset (this was just 0.5 nT correction). ... CDF files for plasma wave KP are now available (descriptor "itw"). ...

... About ATMoB . ... The ATMoB has established an email list server with various mailing lists for use by our members. ... This list has been established for use by ATMoB members, friends of members, and anyone interested in astronomy with a focus on things of interest to those in the greater Boston area. ... Notice: The owners of this server, the Amateur Telescope Makers of Boston, and any other sentient beings that happen to be involved assume no responsibility for any messages posted via this system...

At the end of December 2004, the CCD was removed from the telescope and returned to Spectral Instruments in Tucson. The existing thick chip will be replaced with a thinned chip and the readout changed from 2-channel to 4-channel. ... Additional changes being made during this period include the installation of a compress air drier, collimating camera and cloud monitoring camera. Back to Recent News List . Siding Spring Survey Main Page . ... Follow-up Astrometry with the 1.0-m at SSO . ...

... Astronomical Observatory, Shevchenko Park, Odessa, 65014, . ... The XVI -th G. Gamow's Odessa Astronomical Summer Соnference-School, 14-20 August, 2016, Odessa, Ukraine . ... The XV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 16-23 August, 2015, Odessa, Ukraine . ... The XIV -th G. Gamow's Odessa Astronomical Summer Соnference-School, 17-23 August, 2014, Odessa, Ukraine . ... The XIII -th G. Gamow's Odessa Astronomical Summer Соnference-School, 19-25 August, 2013, Odessa, Ukraine . ...

ARI USEFUL LINKS modified and/or upgraded by YP (Jul 1, 2015) . Astronomy . ... Astronomy related journals . ... Go to TOP . ADS ( UK , US or French site) . Abstracts from the major Astronomy journals. ... Astronomy Picture of the Day . ... Astronomy and Astrophysics (Bertout's site). status of a paper . ... of Stellar Spectra by R.O.Gray and VISUAL atlas (as pdf) . ... A list of Astronomy databases from the well organised canadian site. ... Astronomy jobs.../courses Go to TOP . ...

... Обзор LPR фильтра. Впечатления от наблюдений с LPR фильтром. ... Характеристики цветных фильтров Baader-Planetarium . Мой перевод pdf- файла о фильтрах с сайта Baader-Planetarium (379 кб) . ...

... The change in the temperature dependence of the resistance, R ( T ), of ceramic YBa 2 Cu 3 O 7 - x as oxygen is removed from the sample has been studied. The superconducting transition temperature shifts progressively downward in the process. ... The temperature dependence of the resistivity, ( T ), is linear, with a progressively increasing slope, only at T > 400 K. It is suggested that oxygen condenses on Cu-O chains at T 400 K. PACS: 74.60.Mj, 74.70.Vy, 81.40.Rs, 72.80.Ga ...

... 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. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Posted on March 28, 2014 | No Comments Asteroids, chunks of rock and metal orbiting the Sun, were once considered ?vermin of the skies? by astronomers. ... Continue Reading.. ... Posted on February 27, 2014 | ... Posted on January 21, 2014 | ... Posted on December 17, 2013 | ... 3 Comments With only two planets in our solar system without moons (Mercury and Venus) our curiosity is a little spoilt for choice. ...

Next: Scattering properties Up: Polarization properties (transmitted radiation) Previous: Linear polarization: wavelength dependence . Traditionally, the main problem considered in connection with circular interstellar polarization is the meaning of the wavelength where changes the sign . ... This is also demonstrated by Fig. 19 (lower panel) which shows the wavelength dependence of the factors of linear and circular polarization for particles of magnetite as was done by Shapiro ([ 1975 ]). ...

... L.V.Zotov , C. M. Bizouard Envelope calculation () () () E() L.V.Zotov , C. M. Bizouard Envelope calculation () () () E() L.V.Zotov , C. M. Bizouard Amplitude model and forecast 3-layer Neural Network with (7, 7, 1) neurons L.V.Zotov , C. M. Bizouard Phase model and forecast 3-layer Neural Network with (7, 7, 1) neurons L.V.Zotov , C. M. Bizouard Phase and amplitude models ~ Chandler ...

Stellarium 0.12.3 . ... Classes . ... SpaceShipObserver Class Reference . An observer which moves from from one position to another one and/or from one planet to another one. ... SpaceShipObserver (const StelLocation &startLoc, const StelLocation &target, double transitSeconds=1.f) . ... Get whether the life of this observer is over, and therefore that it should be changed to the next one provided by the getNextObserver() method. ... Get the next observer to use once the life of this one is over. ...