... 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 . ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

HUBBLE SPACE TELESCOPE DAILY REPORT #1774 PERIOD COVERED: 0000Z (UTC) 12/06/96 - 0000Z (UTC) 12/09/96 Daily Status Report as of 344/0000Z 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed GHRS/1/FOS/BL 6448 (Ultraviolet Mapping of the Unique = Polar HU-Aqr) The High Resolution Spectrograph (Side One) and the Faint Object = Spectrograph (Blue Side) both were used to make ultraviolet = spectrographic observations of the unique, polar, eclipsing, magnetic, = cataclysmic, star HU-Aqr. ...

... December 21, 1997 . ... Advantages are briefly discussed of gaining in spectral resolution, which is accompanied by losses in signal level, as compared with the attempts to improve the accuracy of measurement of line parameters by means of rising the S/N ratio alone with increasing the exposure time. To partially solve the problem of observations of faint objects at the BTA a new design echelle spectrometer is proposed. high resolution spectroscopy . ...

... A2005 Date Received: 2004­Sep­29 18:51:13 Technical Page Proposal Type: Regular General Category: Astronomy Sub­Category: Continuum Observation Category: Galactic Total Time Requested: 42 Hours Proposal Title: The Origin of Magnetic Activity in Sub­Stellar Objects ABSTRACT: The processes of magnetic field generation, amplification and dissipation in sub­stellar objects are not understood, but could provide direct information on the internal convection and the structure of the atmosphere. ...

... Poitiers, 23 January 2007 Science Vision for European Astronomy in the Next 20 Years 2 Is the initial mass function universal? ... High Poitiers, 23 January 2007 Science Vision for European Astronomy in the Next 20 Years 4 Do we understand stellar structure and evolution? ... Interferometry in near infrared and radio: measuring radii and resolving stellar surface Science Vision for European Astronomy in the Next 20 Years Poitiers, 23 January 2007 5 What is the life-cycle of the ISM and Stars? ...

... Unbiased surveies of star-forming regions; evolutionary processes in star formation; IMF; determination of evolutionary tracers . ... Light elements; mixing in stars . ... Spectroscopy of low-mass stars in SFRs/associations: cluster formation, triggered SF, SFHs, accretion properties . ... Influence of cooling e and magnetic field on the formation of primordial stars . ... This email address is being protected from spambots. You need JavaScript enabled to view it. ... 39 0552752 251 . ...

... 1987) MM observations of pre-planetary disks · Methods ­ Millimetre single dish ( Mopra ) and interferometric (ATCA) spectral line and continuum observations , to obtain gas chemistry, kinematics (infall, outflow, rotation), gas and cold dust spatial distribution ­ Mid - infrared spectroscopic observations of the 10, 20 micron silicate bands (Michelle on UKIRT/Gemini-N, TIMMI2 on ESO 3.6 m, T-ReCS on Gemini-S), to obtain warm ... Mopra observations of HD 163296 Grady et al. ...

... galaxies: bulges galaxies: clusters: general galaxies: clusters: individual: . ... star formation statistics stellar content structure Cosmology ( cosmology :) cosmic background radiation ( cosmology :) cosmological parameters cosmology : miscellaneous cosmology : observations cosmology : theory ( cosmology :) dark ages, reionization, first stars ( cosmology :) dark energy ( cosmology :) dark matter ( cosmology :) diffuse radiation ( cosmology :) distance scale ( cosmology :) early Universe (...

Sergey B. Popov Research experience My research interests and activity are centered around two fields of astrophysics: star formation and evolution and physics of compact objects. My research work on the population synthesis of binary stars was done in the Department of Relativistic astrophysics under supervision of Prof. Lipunov. ... In the future I would like to work on the evolution of isolated and binary neutron stars, accreting isolated neutron stars and young neutron stars in SNRs. ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy . ... Hubble Space Telescope Images: http://hubblesite.org/newscenter/newsdesk/archive/releases/image_category/ . ... The Chandra x-ray telescope (in orbit around Earth) has been sending back a wide range of images of what deep space objects would look like if seen with "x-ray sensitive" eyes. ... Web Sites for Asking Astronomy Questions . ... Ask an Astronomer for Kids: http://coolcosmos.ipac.caltech.edu/cosmic_kids/AskKids/index.shtml...

To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...

Main Publications Seminars Current measurements Personnel . ... RATAN-600 data for the BL Lacertae objects (multi-frequency catalogue, Version 1.0) . ... During many years the RATAN-600 radio telescope is used for the intensive studies of the active galactic nuclei (AGNs) at frequencies from 1 to 30 GHz. ... RATAN-600 multi-frequency measurements of flaring activity of BL Lacertae, ATel #5002 . RATAN-600 multi-frequency measurements of the gamma-ray blazar BL Lacertae , ATel #4600 . ...

... Aloisi, A. The Old Stellar Population . Alonso-Herrero, A. HST /NICMOS Observations of the . ... Balcells, M. HST-NICMOS Observations of Galactic . ... Baum, S.A. Investigating the Evolution of . ... Becklin, E.E. A Coronagraphic Search for . ... Clampin, M. The Old Stellar Population . ... Close, L. HST NICMOS Observations of . ... The Stellar Population in . Geballe, T.R. HST NICMOS Observations of . ... Greggio, L. The Old Stellar Population . ... Leitherer, C. The Old Stellar Population . ...

Post-Asymptotic Giant Branch (post-AGB) stars bear signatures of the entire chemical and morphological changes that occur prior to and during the AGB phase of evolution. ... In this talk, I will present two important outcomes of this survey. Firstly, this survey resulted in a well characterised sample of binary and single post-AGB stars. ... However, some objects show peculiar chemical signatures which do not correspond to the accepted single/binary star evolution and nucleosynthesis. ...

... Development of Ideas of Structure and Evolution of Stars. Integral Features of Stars, Which Determine Their Structure, Direction and Rate of Evolutuion. ... Connection between Potential and Thermal Energy of Star. ... Structure of a Main Sequence Star. Features of Massive Stars Evolution on the Main Sequence. Internal Structure of the Sun. ... White Dwarfs, Their Features. ... Evolution from the Main Sequence of Massive Stars. ... Evolution of Small Mass Stars till White Dwarfs Sequence. ...

... We suggest simple method of the selection of distant galaxies based on their radio properties. ... RC0015+0503a , RC0015+0503b , RC0015+0501 , RC0034+0513 , RC0038+0449 , RC0042+0504 . ... RC0105+0501 , RC0110+0500 , RC0117+0503 , RC0126+0502 , RC0133+0459 , RC0135+0450 , RC0137+0539 , RC0143+0505 , RC0152+0453 , RC0154+0459 , RC0159+0448 . ... RC0209+0501b , RC0213+0516 , RC0226+0512 , RC0250+0512 . ... RC0302+0456 , RC0308+0454 , RC0311+0507 , RC0318+0456 , RC0355+0449 . ...

... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . The origin and evolution of radio sources . Radio sources and their environments . ... Observations of the local Universe clearly demonstrate that very active star formation phases (starbursts) are often associated with interacting and merging galaxies and that in these systems much of the short wavelength emission is absorbed by dust and re-emitted in the IR. ...

... Next: Unsupervised Catalog Classification Up: Object Detection and Previous: Classification of Objects . ... Multi-resolution allows for image analysis in terms of different scales. ... This approach is used for the detection (and subsequent analysis) of globular cluster systems around elliptical galaxies, and for image characterization and object trawling in large image databases. ... The applicability of this approach to object detection in large image collections has been investigated. ...

... Since the reddening found for the stars in Table 13 was small, no reddening correction was attempted. ... These diamonds indicate the positions of very low mass, 3 Myr old, objects from the work of Burrows et al. ... This optical V versus R - I scheme is a very powerful method of detecting very low mass (VLM) objects. ... Because of this, young brown dwarfs are intrinsically no more difficult to observe in the optical than low mass stars at the age of Orionis. ...