... The numbers of three types of compact binaries containing accreting NSs and BHs, which are most interesting from the point of view of their observational appearances, have been calculated as a function of time: i) X-ray transient source containing a NS in an eccentric orbit around a main sequence Be-star (the observed prototype: A0535+26), ii) BH The evolution of the selected types of X-ray binaries during the first 10 million years after the starburst onset is presented in Fig. ...

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... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Finding the Bivariate Brightness Distribution of galaxies from an H I selected sample . ... A method is presented that will enable the bivariate luminosity/surface brightness distribution of galaxies to be determined from a relatively small H I selected sample. ... PICASSO - an automated galaxy finder . ...

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• An HI selected sample of galaxies -- The HI mass function and the surface
• select
• Pulsar Group Observing/Psrcorr

These observations are aimed at fully charactering FORS1 photometric system (UBVRI zero-points, color-terms and extinction coefficients) for the Tektronix 2048x2048 pixel CCD (24µm px) . To this aim, the two Landolt/Stetson photometric fields SA95 and SA101 will be observed on a number of epochs and at different airmasses during February and March 2007. ... SA101 . ... OBs for SA101 have to be observed during evenigh twilight (exceptions are expected for the second half of March) . ...

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• ArtistтАЩs impression of the expected dark matter distribution around the Milky
• Redshift Distribution
• IPACMAN V2.4 Integration Test Plan

We present a database of UV-to-FIR data of 83 nearby starburst galaxies. ... The NIR data are from new observations obtained at the NASA/IRTF and the Mount Laguna Observatory, combined with the published results from observations at the Kitt Peak National Observatory. ... In conjunction with IRAS and ISO FIR flux densities, all these data form a set of observed spectral energy distributions (SEDs) of the nuclear regions of nearby starburst galaxies. ...

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• Selected telescopes I have observed with
• HST this week: 066
• Selection of Leonid Meteoroid Storm Proposals

... This represents the first HI selected sample covering the core and the outskirts of a local cluster of galaxies. ... Optically selected samples miss a considerable number of low luminosity, low surface brightness galaxies underestimating by almost a factor 2 the number of HI rich galaxies present in the cluster volume. ... Right: The g band luminosity function for galaxies in the A1367 volume as obtained from the optically (circles) and HI (histogram) selected sample. ...

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• The Mock Spectrometer
• CIMA Auto-Observing
• Smart Basketweaving

... Tidal influence on each of the galaxies in our sample is quantified by identifying and measuring the distance to the nearest companion, using a photometric technique with good completeness characteristics. ... Massnormalised starformation rates were derived using galaxy stellar masses estimated from zband luminosities Nearest companions were identified using the algorithm illustrated in Figure 1. ... Some of the lowredshift galaxies in our sample with close companions are illustrated in Figure 3. ...

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• A water maser search towards colour-selected IRAS point sources
• CO in NGC 1530, aperture synthesis of a barred spiral

... What's a Population . ... It varies, ecologists use the word "population" in several ways; typically a "somewhat isolated collection of individuals." ... There are two "basic models" of population growth. Exponential growth, and logistic growth. ... In logistic growth there are "density-dependent" changes in growth rate that REGULATE population growth. ... The exponential and logistic models treat all individuals in a population the same; but we know that baby's don't reproduce but adults do! ...

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• Astro-2 and the UIT Experiment

Next: The APM selected sample Up: Second priority candidates Previous: Second priority candidates . From the random selected subsample of second priority candidates we observed twenty six objects during the 6-m telescope runs (mainly those with R.A.< 11 h ) along with the observations of first priority targets. Altogether we found 12 emission-line objects: one appeared to be a QSO with z =3.15, and the rest are various types of ELGs. ... One object is an absorption-line galaxy. ...

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• The Fourth List
• The statistical properties of HSS BCGs
• The sample description

... Within SAS, a tool is available to check the pile-up fraction in the pn data: epatplot . This tool compares the observed pattern distributions (derived from a pn calibrated and concatenated even list) with the calibrated models. ... The lower panel is the key element for the evaluation of the pile-up fraction: it shows the observed distribution of pattern as a function of energy (PI channel in Analog-Digital Units ), using the same color code. ... Pages maintained by SAS librarian . ...

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• Description
• Errors

... Tonight's Sky . ... Observing . ... Bob Berman . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Dave's Universe . ... Bob Berman's Strange Universe . Bob Berman's strange universe: Expect a surprise . ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Ceresт?? bright spots show unexpected changes | Astronomy.com
• First galaxies were born much earlier than expected | Astronomy.com
• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,

selected from the Armagh Observatory Preprints/Reprints Series . ... To view PDF files you will need Acrobat Reader or another suitable viewer. ... Full Paper - PDF . Full Paper - HTML from AER . ... 486 The Armagh Observatory Human Orrery . ... 447 The Human Orrery: Putting the Solar System in Perspective . ... Full Paper - Postscript . ... 396 The populations of comet-like bodies in the Solar system . ... Abstract - Text . ... Abstract . ... Full Paper . ...

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• Armagh Observatory
• Leonids 2006
• sfit help file

Next: Stars without Periods Up: Other Stars Previous: Stars with Highly . ... However, due to lower signal to noise their periods are less secure. ... This could be interpreted as a continuous distribution with statistically insignificant deviations which give the appearance of gaps or a real gap. ... When the distributions of periods greater five days are compared for the ONC stars and those near Orionis the KS test gives a 47% probability of these distributions being drawn from the same population. ...

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• List of PROS and Selected IRAF Tasks
• The AstroStat Slog Blog Archive When you observed zero counts, you didn?t not
• Spectral Analysis

RadioAstron AO-2 prop osal Submission dead line: 27 January 2014, 23:59 UT. ... Team contact name and e-mail address: Ivan Petrov (e-mail: Ivan.Petrov@gmail.com ) Total observing time request: 60 hrs Should be < 100 hours if GOT. ... Introduction -- providing concise background information necessary to assess the scientific merits of the research proposed; outlining the reasons for the project to constitute key science area for RadioAstron if the KSP-type is selected. ...

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• http://www.asc.rssi.ru/RadioAstron/ao-1/radioastron_ao1_proposal_template.pdf
• http://www.asc.rssi.ru/RadioAstron/ao-3/radioastron_ao3_proposal_template.pdf
• http://www.asc.rssi.ru/RadioAstron/ao-4/radioastron_ao4_proposal_template.pdf

The K20 survey. I. Disentangling old and dusty star-forming galaxies in the ERO population", 2002, Cimatti A. et al., ... Probing the evolution of massive galaxies with the K20 survey", 2002, Cimatti A., invited contribution in the ESO/USM Workshop "The Mass of Galaxies at Low and High Redshift", Venezia (Italy), October 24-26, 2001, in press. ... The K20 survey: new light on galaxy formation and evolution", 2003, Cimatti et al., ... Old galaxies in the young Universe", 2004, Cimatti et al., ...

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• APOD: 2000 March 12 - Supernova 1994D and the Unexpected Universe
• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe
• K-band Arcetri Obscured Supernova Search - SNe Intro

... 2006 March 6 . Unexpected Comet Pojmanski Now Visible . ... Explanation: Have you ever seen a comet? ... Comet Pojmanski , officially designated C/2006 A1 and discovered only in January, now sports a turquoise tail several times longer than the full moon. Comet Pojmanski 's ion tail is due to gas particles expelled by the comet being pushed away from the Sun by the solar wind , the same wind that ionizes gas in the tail causing its blue tint. ... About APOD | ... NASA Official: Jay Norris. ...

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• APOD: 2015 May 31 - Supernova 1994D and the Unexpected Universe
• APOD: 2005 November 20 - Rays from an Unexpected Aurora
• APOD: 2002 August 5 - Rays from an Unexpected Aurora

To construct two-dimension distribution of minor planets user should specify elements/ parameters/ function that will be plotted as abscissas and ordinates. In three-dimension case one should add to them the element plotted on Z axis. ... Though you may choose elements plotted along different axes at will, often there is good reason to plot such elements as a, n, or n" along X axis (two-dimension distributions) and to plot them along Y axis in three-dimension case. ...

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• ENGAMPLE

PHOTOMETRIC SEARCH FOR BLACK HOLES IN DORMANT X-RAY TRANSIENTS ґ ґ Aleksander Sadowski1 , Janusz Ziolkowski2 , and Krzysztof Belczynski3 ё Astronomical Observatory of Warsaw University, Al. ... Such definition means that our statistics for the number of expected BH X-ray binaries include both transient and persistent systems. ... If this value is 2 M , then, according to our calculations, Galaxy contains some 15 000 to 40 000 of BH X-ray binaries (and some 30 000 to 250 000 of NS X-ray binaries). ...

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• http://hea.iki.rssi.ru/integral06/papers/E36_Stephen01-07May07_17:57:56.pdf
• http://hea.iki.rssi.ru/integral06/papers/D03_Sazonov01-18May07_11:51:28.pdf
• http://hea.iki.rssi.ru/integral06/papers/E38_Shtykovskiy01-04Feb07_21:29:13_color.pdf

... My plan is to schedule four sessions at IUM on June 3, 5, 9, and 10, room 310. Each seminar will be dedicated to a separate topic; there are connections betweent topics 3 and 4 (see below), otherwise the seminars will be totally independent. Each seminar (including the last one) may be attended independently of the others. ... Tuesday June 3, 4PM . Selected topics in partial hyperbolicity . ... Thursday June 5, 4pm . ... Monday June 9, 4pm . ... 4.Tuesday June 10, 4pm . ...

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• Andrei Romashchenko. Selected papers.
• Selected topics on dyamical systems (Spring 2001)
• Selected topics in Nilpotent Orbits (Fall 2000)

... S.P. KOROLEV ROCKET AND SPACE CORPORATION ENERGIA . ... OAO RSC "Energia" . ... Company's History . ... History . Brief History of Rocket and Space Technology . ... Project History . ISS Russian Segment . Steps of ISS Assembly . ... ISS 45/46 . ... Rocket Space Complexes . ... Automatic Space Systems . Universal Space Platform . ... History of flights . ... UDOD . ... Man in space | ... Kit "UDOD-КRM", including data storage device "UDOD. ... 2015 JSC "S.P. Korolev RSC "Energia" . ...

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... Denmark: ftp://ftp.dmi.min.dk/pub/Data/WDCC1/indices/kp-ap/ . Germany: ftp://ftp.gfz-potsdam.de/pub/home/obs/kp-ap/ . ... we do not guarantee the correctness of the international sunspot number R; these values are published separately (Brussels, Belgium) The following scientific and format documentation is adapted from ftp://ftp.ngdc.noaa.gov/STP/GEOMAGNETIC_DATA/INDICES/KP_AP/kp_ap.fmt The subscript p means planetary and designates a global magnetic activity index. ...

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• Geomagnetic Kp Index
• The Solar Wind
• THE LOW ENERGY PLASMA COMPOSITION EXPERIMENT AMEI-2