Astronomical Data Analysis Software and Systems VII ASP Conference Series, Vol. ... Object--Relational DBMSs for Large Astronomical Catalogue Management A. Baru#olo and L. Benacchio Astronomical Observatory of Padova, Italy Abstract. ... If the scientific content of these catalogues is to be fully ex­ ploited, astronomers must be allowed to issue almost any query on the database without being hampered by excessively long execution times. ...

... The performance of arfgen depends mainly on the number of points in the detector map that are enclosed within the said regions. ... At the other extreme, a detector map that is too finely binned would result in a large number of CAL calls and would affect the execution time of the task. ... The current version of this task does not have any feature that varies at scales smaller than 1 arcmin, so the user is recommended to use detector maps with bin sizes around this value. ...

... The awsome spectacle of a brilliant comet, with its long ghostly tail streaming behind it, is a rare event. ... Only one other comet, Comet Halley, was seen so far from the Sun, giving scientists an opportunity to watch it as it slowly warmed up and sprouted a tail. ... Comets are the Rip Van Winkles of the solar system -- mini-worlds that have changed little during their 4.5-billion-year nap far from the Sun. ... Observing Comets . ... Once, comets inhabited the entire solar system. ...

... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . Baikonur Cosmodrome Yasny launch base Downloads . ... Dnepr LV Performance Characteristics for Circular Orbits (kg) . ... 600 . ... Dnepr LV Performance . ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... ATCA . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... 3mm Home Page System Performance Calibration Observing Quick Start System Specs mmATCA Receivers mmATCA Results . ...

. Next: Introduction Up: No Title Previous: Commands in the . љ . Introduction . Test Commands . TESTBA/CCD . TESTFA/CCD . TESTTA/CCD . TESTD/CCD . TESTS/CCD . TESTC/CCD . Commands in the CCD test package . Rein Warmels . Mon Jan 22 15:08:15 MET 1996

... Steven L. Smith . NASA International Space Station Program Liaison to the European Space Agency . ... SPECIAL HONORS: NASA Distinguished Service Medals (two), NASA Outstanding Leadership Medal, NASA Space Flight Medal, NASA Exceptional Service Medal, IBM Outstanding Technical Achievement Award and IBM Outstanding Community Service Award. ... NASA EXPERIENCE: Smith is a veteran of four space flights covering 16 million miles and seven space walks totaling 49 hours and 25 minutes. ... DECEMBER 2013 ...

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

... Centaurus A : 15,000,000 light years away, in the constellation Centaurus, the closest AG to Earth . ... Astronomers think that the reason for the unusual shape of this galaxy is because hundreds of millions of years ago two galaxies, one dusty spiral and one bright ellipictal, collided causing a massive black hole in the middle and bright emmision of light. ... Andromeda galaxy: 2.8 million light years away, closest spiral galaxy to earth, farthest object one can see without a telescope. ...

T wo new moons of Uranus , provisionally known as Uranus XVI (S/1997 U 1) and Uranus XVII (S/1997 U 2), have been discovered. ... Caliban (S/1997 U 1) orbits about 7.2 million km from Uranus and is about 60 km in diameter. ... D iscovered by Brett Gladman , Phil Nicholson, Joseph Burns, and JJ Kavelaars using the 200 inch Hale telescope ; the first images were taken 1997 Sept 6 and 7. ... Discovery of two new moons of Uranus , from Brett Gladman . ... Cornell Science News: Uranian moons . ...

Many foreigners say "England" and "English" when they mean "Britain", or "the UK", and "British". ... In Northwest England, there are many beautiful lakes with green, wooden or grassy shores and gray mountains all around. The Lake District is the central mountainous area of Cumbria in the Northwest and has some of England's most beautiful scenery. ... Nearly one quarter of the Lake District National Park is owned by the National Trust . ...

Below is a set of newsgroup posts made by an engineer from DEC in response to queries about how to modify DEC's Digital Unix OS for more heavily loaded web sites. ... Our experience (running such Web servers as altavista.digital.com and www.digital.com ) is that there is one important kernel tuning knob to adjust in order to get good performance on V3.2C. You need to patch the kernel global variable "somaxconn" (use dbx -k to do this) from its default value of 8 to something much larger. ...

... Operating at a wavelength of 10 ?m, it produces a 135њx135њ image with a resolution of 0.9њ. ... The clouds move from the west-southwest. ... At the same time as the IR images, visible light images were taken with an Apple Computer QuickTake electronic camera. ... At 1540 MDT, the large central cloud is visible in both images. At 1544 MDT, a distinctive cloud is apparent near the center in the visible image and right of center in the IR. The performance of the SDSS cloud scanner is excellent. ...

... Like many other Western industrialized cities, London has experienced an absolute population decline in the central city, with people moving out to the suburbs. ... In 1988, for example, nearly 1 in 8 people were unemployed throughout London and the situation in the inner city was worst. ... More successful has been the government's attempt to encourage grwoth outside London without allowing the city to sprawl into umanageable suburban growth. ...

Общая Астрономическая Конференция > Все про астрономическое оборудование > Астрономическое оборудование > Проблемы Tasco и Celestron . ... Просмотр полной версии : Проблемы Tasco и Celestron . ... Компания Tasco объявила о своей ликвидации, а поскольку им принадлежит и Celestron, то есть угроза, что Meade скоро окажется на рынке один и цены возрастут. ... Commission moved Wednesday to head off any possible merger between the two . largest U.S. telescope makers. ... 2 Celestron would . ...

This section of library contains information about "classic" Star Catalogs. ... For a Henry Draper Catalog 272149 stars have received a total of 531,211 identifications in 7 сatalogs: . 270456 - in Astrographic Catalogue ( "Carte du Ciel", 4M), . 251943 - in Guide Stars Catalog (GSC), . ... A file with information on the components of 1788 of multiple systems in catalog HDEC (3681 component, or a combination thereof, with 4054 recording). ... A file with information about 21971 variable stars. ...