... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...

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... Next: Object Detection Using Up: Object Detection and Previous: Automated Classification of . ... A status report of the The GSC Object Classifier (GOC) project is presented. ... The GSC contains multiple entries for some objects due to plate overlap. It classifies objects as stars, non-stars, galaxies, blends and potential artifacts; the latter three classifications are rare, and only exist in GSC version 1.1, to which they were added manually. ... star, . ... non-star, . ...

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• Methods for Structuring and Searching Very Large Catalogs
• ADASS 2003 Conference Proceedings
• The SuperCOSMOS Sky Surveys

Stellarium 0.12.3 . ... Classes . ... File Structure . ... StelSphericalIndex Class Reference . ... void  . ... Insert the given object in the StelSphericalIndex . ... template<class FuncObject > . ... processIntersectingRegions (const SphericalRegionP &region, FuncObject &func) const . Process all the objects intersecting the given region using the passed function object. ... processContainedRegions (const SphericalRegionP &region, FuncObject &func) const . ... void StelSphericalIndex::clear . ...

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• Stellarium: StelSphericalIndexMultiRes Class Reference
• Stellarium: TelescopeClient Class Reference
• Stellarium: Nebula Class Reference

... Classes . Files . ... File List . File Members . images . Regions . ... 00087 // The image regions have to contain WCRegion objects, otherwise an 00088 // exception is thrown. 00089 // group 00090 WCCompound ( const ImageRegion region1, const ImageRegion region2); 00091 WCCompound ( const ImageRegion * region1, 00092 const ImageRegion * region2 = 0, 00093 const ImageRegion * region3 = 0, 00094 const ImageRegion * region4 = 0, 00095 const ...

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• casacore: images/Regions/WCCompound.h File Reference
• casacore: casa::ImageRegion Class Reference
• The giant HII region NGC 3603

... We present the results of an interferometric and single-dish study of G24.78+0.08, a region associated with high-mass star formation. ... We suggest that the embedded stars might be too young to have affected the surrounding molecular cloud significantly on a large scale. ... We assess that the (proto)stellar cluster lies at the center of a molecular clump with diameter of ~2 pc: to a good approximation this may be described as a spherically symmetric clump with density profile of the type n~R^(-1.8...

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• rho-Oph BD disks (Abstract)
• Kuiper Belt Objects
• NIR IMAGES OF SFR MASERS (Abstract)

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• BL Lacs
• Infrared/visible crossfade of the Monoceros R2 star-forming region | ESO
• ESO - Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy

SAOtng can associate names with region markers in order to aid users in remembering the significance of the region. ... By default, marker regions that you create in SAOtng are defined to be either "source" regions or "background" regions and are colored green and red, respectively. ... This type name is controlled by the "Set Type (and Color)" option in the marker menu (activated using the right mouse button within a region). ... Colors can be associated with names for regions. ...

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• Chandra Images for SNR J0526.0-6604
• Spatial Region Coordinates
• Cool Stars 10 - V. Kashyap and J. Drake: DEM Reconstructions

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

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... The ROSAT Bright Survey: II. Catalogue of all high-galactic latitude RASS sources with PSPC countrate CR > 0.2 s -1 . ... 1S We present a summary of an identification program of the more than 2000 X-ray sources detected during the ROSAT All-Sky Survey (Voges et al. 1999) at high galactic latitude, |b| > 30degr , with countrate above 0.2 s -1 . This program, termed the ROSAT Bright Survey RBS, is to more than 99.5% complete. ...

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• Laboratory of spectroscopy and photometry of extragalactic objects : Devices
• Bispectrum Speckle Interferometry of the Massive Protostellar Object S140 IRS
• High-resolution Near-infrared Study of the Deeply Embedded Young Stellar Object

... Class . ... java.lang.Object ij.gui.Roi ij.gui.ShapeRoi . ... public class ShapeRoi . ... ShapeRoi (int x, int y, java.awt.Shape s) . ... Constructs a ShapeRoi from an Roi. public ShapeRoi (java.awt.Shape s) . Constructs a ShapeRoi from a Shape. public ShapeRoi (int x, int y, java.awt.Shape s) . ... ShapeRoi.SHAPE_ROI . ... Returns a reference to the Shape object encapsulated by this ShapeRoi. public static void addCircle (java.lang.String sx, java.lang.String sy, java.lang.String swidth) . ...

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• OvalRoi (ImageJ API)
• PolygonRoi (ImageJ API)
• Uses of Package ij.measure (ImageJ API)

... Механизмы излучения космических объектов: классика и современность . ... Studies of radiation mechanisms and processes of spectra formation in astrophysical objects are among the fundamental tasks of modern astrophysics. ... On this occasion the Saint-Petersburg State University organizes an international conference Radiation mechanisms of astrophysical objects: classics today , which will be held in St. Petersburg from September, 21 to September, 25, 2015. ... radiative transfer theory, . ...

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• Abstract book | Radiation mechanisms of astrophysical objects: classics today
• Database of interstellar extinction and polarization curves
• Key dates | Radiation mechanisms of astrophysical objects: classics today

In 1950 Jan Oort noticed that . no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... Its orbit is intermediate between the Kuiper Belt and what was previously thought to be the inner part of the Oort Cloud. ...

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• Orion Nebula
• SAI Supernova catalog
• APOD Index - Messier Objects

... This file table 50 63 Positions, flux densities and angular size --------------------------------------------------------------------------- Byte-by-byte Description of file: table ------ ... Units Label Explanations -------------------------------------------------------------------------- 1- 2 I2 --- No Number 5- 9 F5.2 deg GLON Galactic longitude 12- 17 F6.2 deg GLAT Galactic latitude 20- 21 I2 h RAh Right ascension ( 1950 ) 23- 24 I2 min RAm Right ...

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• The use of IRAS data to define H II regions
• Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic objects
• A 1.4 GHz Survey in the Southern ELAIS Region

Proposal Identi cation No.: A1575 Date Received: 2001-Sep-30 01:34:08 Technical Page Proposal Type: Regular General Category: Astronomy Sub-Category: Spectroscopy Observation Category: Galactic Total Time Requested: 20 Hours Proposal Title: Kinematic Distances to Massive Star Formation Regions in the Inner Galaxy ABSTRACT: The SIRTF/GLIMPSE Legacy Science Program plans to image the inner 2/3 of the Galactic disk. ... It was possible to establish unambiguous distance for 95% of the sample. ...

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• http://www.naic.edu/vscience/schedule/tpfiles/ArayatagA2302tp.ps
• http://www.naic.edu/alfa/ealfa/papers/2006AAS...209.9504S.pdf
• I-GALFA View of a Galactic Tangent Region

Cambridge . ... Bojan Nikolic web pages home . ... Previous: Talk at the ALMA EU FP6 Enhancement.. I gave the following talk here at the University of Cambridge: . ... Observed broad-band radio spectra of both galactic and extra-galactic . ... parameters in these models which are only approximately a-priori . ... I will describe a computer program for straightforward Bayesian analysis . ... Please enable JavaScript to view the comments powered by Disqus. blog comments powered by Disqus . ...

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• G78.2+2.1
• Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs
• The quasar fraction in a sample of giant radio sources

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

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... no comet has been observed with an orbit that indicates that it came from interstellar space, . ... From this he proposed that comets reside in a vast cloud at the outer reaches of the solar system. ... Unfortunately, since the individual comets are so small and at such large distances, we have no direct evidence about the Oort Cloud. ... T he Kuiper Belt is a disk-shaped region past the orbit of Neptune roughly 30 to 100 AU from the Sun containing many small icy bodies. ... Small Bodies .. ...

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• News (english)
• The Sun
• Magnetic Fields

... Астронет | ... Переменные Звезды | ... Микролинзирование . ... На протяжении последних нескольких лет в рамках проекта MACHO проводятся наблюдения микролинзирования звезд Большого Магелланова Облака - спутника нашей Галактики. Эффект микролинзирования заключается в гравитационной фокусировке света звезды массивным объектом, находящимся на луче зрения между звездой и наблюдателем. ... Согласно некоторым гипотезам, линзами могут являться реликтовые черные дыры или "нейтралинные звезды". ...

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• XWare > APOD

... 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.[ ...

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... 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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• GSAOI Orion Nebula Cluster Science Page
• Siding Spring Survey
• Mass Feeding and Feedback in Young Stellar Objects