... 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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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 . ...

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T he Siding Spring Survey (SSS) is a Near-Earth Object search program that utilises the 0.5-m Uppsala Schmidt Telescope at Siding Spring Observatory, N.S.W., Australia. ... The mission of the Siding Spring Survey is to contribute to the inventory of near-earth objects (NEOs), or more specifically, the potentially hazardous asteroids (PHAs) and comets (PHOs) that may pose a threat of impact and thus harm to civilization. ... Based on the CSS Mission page . ... Siding Spring Survey Main Page . ...

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... ATNF Home . About ATNF . ... About ATNF overview . ... Parkes radio telescope . Australia Telescope Compact Array . ... Australia Telescope 20GHz Survey . ... Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies? ... Our Fornax Spectroscopic Survey , carried out with the 2dF multi-object spectrograph on the Anglo-Australian Telescope (see Drinkwater et al. 2000), is now 87% complete in its first field to a limit of B J =19.7. ...

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... I have been involved into the La Sagra asteroids team since the beginning of the La Sagra Observatory (OLS) in Andalusia, Spain in 2006. ... In the following years I contributed to the continuous improvements of the search methods and data reduction pipelines. ... There I got introduced to a study to examine the effect of host galaxy dust extinction on the observed properties of Type Ia supernovae (SNe Ia). ... GRBs host galaxies photometry . ... Copyright 2012 Aleksandar Cikota. ...

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Below are 3 sub-tables showing the SDSS/2MASS photometry, position, and spectral type of objects as reported in Hawley et. al 2002. ... Column 4: r. The object's r magnitude as measured in SDSS imaging. (a negative magnitude in any filter indicates no measurement in that filter) Column 5: i. The object's i magnitude as measured in SDSS imaging. ... Column 7: J. The object's J magnitude as obtained from the 2MASS second incremental release point source catalog. ... Column 10: Spectral type. ...

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New Moons of Uranus . Brent Gladman's Home Page . ... The discovery of two probable distant satellites of Uranus was reported by B. Gladman, P. Nicholson, J. Burns and J. Kavelaars. ... This discovery was reported in the IAU Circular 6764 . ... Discovery image of S/1997 U 2 . This shows the discovery image of brighter of the two new moons of Uranus. ... This shows the discovery image of faint new moons of Uranus. ... This shows another discovery image of faint new moons of Uranus. ... Uranus . ...

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Общая Астрономическая Конференция > Практика > Астрономический наблюдательно-информационный портал > Хвостатые гостьи (все о кометах) > P/2015 P4 (PanSTARRS) _ PK15P040 _ P10njnN object = 100-я Panoramic Survey Telescope & Rapid Response System (Pan-STARRS)! ... Просмотр полной версии : P/2015 P4 (PanSTARRS) _ PK15P040 _ P10njnN object = 100-я Panoramic Survey Telescope & Rapid Response System (Pan-STARRS)! ... P/2015 P4 (Panstarrs) / PK15P040 (q=2.527 AU, Q=9.603 AU, TP=2016 Jan. ...

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... Mingaliev M.G., Bogdantsov A.V. Submitted by author (Yu.Yu.Kovalev, 08-Aug-2000) ---------------------------------- J/A+AS/139/545 1-22 GHz spectra survey (Kovalev+, 1999) ================================================================================ Survey of instantaneous 1-22 GHz spectra of 550 compact extragalactic ... 90.1599P) VLBI survey and contains all the sources in the declinations between -30 and +43 degrees with a correlated flux density exceeding 0.1 Jy at 13...

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• Introduction
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... Latest Supernovae . ... Sorted by Name For the years covered, 7501 supernovae and 114 extragalactic novae were reported. 378 of these supernovae were named by CBAT, 1714 were given possible supernova designations, and 5409 were not reported to CBAT. 220 supernovae were found in NGC/IC galaxies, 875 were found in named galaxies 343 objects were discovered by amateurs 4 were brighter than 13th Magnitude 208 were brighter than 16th Magnitude 1080 were brighter than 18th Magnitude 1349 ...

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... Click on an object in the solar system or choose from the list at left to learn more . The Arecibo Observatory planetary radar is the world's most powerful instrument for post-discovery characterization and orbital refinement of near-Earth objects. ... The Solar System Studies group is a department of the Arecibo Observatory, which is an NSF facility operated under cooperative agreement by SRI International, Universities Space Research Association (USRA), and la Universidad Metropolitana (UMET). ...

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... Up: Data Analysis and Processing Techniques . ... Also, a method for quality control of CCD observations is suggested. ... Everyone who observes a celestial object using a CCD detects moving celestial objects as a ``by product''. ... We hope that our investigations may be useful for near-Earth space control and also for searches of the moving celestial objects through analysis of old and new CCD frames obtained at any amateur or professional astronomical observatory. ...

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... 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 . ...

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... 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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... Our recent observations with the Hubble Space Telescope (August 29, 2014) led to revealing a highly isolated dwarf spheroidal galaxy KKs 3 situated at a distance of 2.12 0.07 Mpc from the Milky Way. The dSph galaxy locates on the southern sky (RA=02 h 24 m 44.4 s , Dec.= ... Over the last decade, about 30 dSph galaxies have been discovered inside the Local Group through systematic search in the vicinity of M31 and more that a dozen dSphs were discovered in the nearby group around M81. ...

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... September 28, 1999 . Mystery Object Explained . ... The so-called mystery object appeared star-like but displayed colors unlike most stars or quasars . Further investigation has now revealed the object to be a Broad Absorption Line (BAL) quasar , a relatively rare type of active center of a distant galaxy. Different atoms and molecules in the absorbing gas surrounding the BAL quasar 's center probably cause the unusual colors. ... About APOD > . ...

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Astronomy Discussion Forums . Forums: . ... Discussion Forums . ... seeing Southern Deepsky Objects In USA . Forum List | ... Post Message | ... 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" . ...

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... How does the New Horizons mission team intend to target additional objects in the Kuiper Belt, and how will the craft approach them after the Pluto system encounter? ... RELATED TOPICS: NEW HORIZONS . While there is an incredible dispersion of orbits for objects in the Kuiper Belt, only an extremely small fraction of those bodies are potential targets for the New Horizons spacecraft. ... Get instant access to subscriber content on Astronomy.com! ...

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Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

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... 8, ``Celestial Mechanics'', 2002 Using positional observations of minor planets for improving the orientation of star catalogue Yu. ... But expe­ rience shows that this kind of observations can be used succesfully for improving orientation parameters of star catalogues with respect to dynamical reference system. ... Observations of 90 selected minor planets were used in general solution for their orbital elements, orientation parameters and some parameters of phase re­ duction. ...

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• Keywords_115
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