XMM-Newton Science Analysis System . ... Meta Index / Home Page The position of a source on the image ( XPOS and YPOS ) are referred to a coordinate origin in which the pixel at the far-left and bottom of the image has coordinates 1.0, 1.0. The coordinates are computed using the first-order moments of the intensity profile, and the algorithm is similar to that used in the sextractor program (please see the sextractor manual for a detailed discussion). XMM-Newton SOC/SSC -- 2008-10-22 ...

Drift scan are are normally done in coordinates of date (current coordinates). ... The telescope then remains fixed as the sky drifts by. ... Since the az, za is remaining fixed, the drift is being done in current not J2000 coordinates. ... To see how large this change was, a drift scan in J2000 coordinates (15 asecs/sidereal sec epoch J2000) was computed and then the relative motion of the az, za coordinates were plotted. For each day computed: . ... 2005: .5 amin/hour . 2006: .6 amin/hour . ...

... Recent Topics . ... MAO main . ... ASTRONET & APPEC meeting on European Coordination of CMB . ... Ця електронна адреса захищена в?д спам-бот?в. вам потр?бно ув?мкнути JavaScript, щоб побачити ?? ... Тема: ASTRONET APPEC meeting on European Coordination of CMB . ... APPEC gathering the astroparticle physics European agencies and ASTRONET gathering the astrophysics European agencies organize a workshop, mixing PIs and agencies, to discuss the possibility of a common European policy on CMB studies. ...

Hide Zen home . ... bla-bla about UCD and VO standards. name meta.id . coordinates pos.eq.ra;pos.eq.dec . ... position angle pos.posAng . inclination angle . ... name meta.id . ... date of maximum light time.epoch . date of discovery . ... 0 Comments on sncat ucd This page is read-only View other revisions Administration . ... Zen, 2003-2007 ...

UNIVERSAL COORDINATES TRANSFORMER . EPOCH1: . EQUATORIAL COORDINATES FOR EPOCH1 . ... rad . ... EPOCH2: . EQUATORIAL COORDINATES FOR EPOCH2: . ... ECLIPTIC COORDINATES FOR EPOCH1 . ... ECLIPTIC COORDINATES FOR EPOCH2 . ... GALACTIC COORDINATES . ... Type initial epoch (epoch1), final epoch (epoch2) and needed coodinates (equatorial a 1 , d 1 for epoch1, ecliptic l 1 , b 1 for epoch1 or galactic l,b) and press corresponding "SUBMIT" (if EPOCH2=EPOCH1, EPOCH2=EPOCH1+10). ...

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. ...

. Back to Handbook . Графики перехора из экваториальной системы координат в галактические (l2,b2), и наоборот по расчету программы ad_lb (DOS).

THE 75th NAME-LIST OF VARIABLE STARS. ... The 75th Name-List consists of two tables. ... the literature, taken from positional catalogues, including USNO A1.0/A2.0 and GSC, or determined by the authors); the range of variability (sometimes the column Min gives, in parentheses, the amplitude of light variation; the symbol ( means that the star , in minimum light, becomes fainter, than the magnitude indicated); and the system of magnitudes used ( P are photographic ...

Natural Satellites Service. ... Apparent Encounters . of the Outermost Satellites of Jupiter . ... We present the precalculated circumstances of the apparent encounters of the outermost satellites of Jupiter for the years 2005 through 2010. ... For the outermost planetary satellites the apparent encounters are very rare, and the periods of apparent encounters are short. We present the precalculated circumstances of the apparent encounters of the following satellites of Jupiter: . ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

SAI VO . ... Web Services . Catalog Access Services . ... SAI Web Services . ... This service aims to automatically match stars in FITS image provided with catalogue and add the correct WCS keywords to its FITS header. ... Service Web Interface . ... The service is available here To use it, you has to provide the image as a Base64-encoded string, along with the rough information on image field of view size and center (the latter may be deduced from FITS header keywords like 'RA' and 'DEC'). ...

UPDATE - June 1, 2007 . ... A successfull MERLIN proposal for "Co-ordinated studies of the solar minimum solar wind" has been advanced by Andy Breen (PI, with the participation of G. Dorrian, R. Fallows, G. Poletto, M. Bisi, P. Thomasson, R. Beswick): this means that scintillation measurements will be made on 12, 14, 15 and 17 May, 2007. ... 2007/05/12 . ... MERLIN . ... 0323+055 . ... EISCAT/ESR/MERLIN . ... 0321+123 . ... EISCAT/MERLIN . ...

Coordinate Systems used for spacecraft trajectory description: . ... The HGI coordinates are Sun centered and inertially fixed with respect to an X-axis directed along the intersection line of the ecliptic and solar equatorial planes. ... Cometocentric (solar) Ecliptic Coordinate System (CSE) . ... CSE coordinate system for the SC POSITION: axis origin at comet center, X-axis to the SUN, Z-axis to ecliptic north pole, (X,Y)-plane is parallel to the ecliptic plane. ...

Next: Data reduction: moments Up: No Title Previous: Feature enhancement: local . ... When this is done for the energy map, with the energy scale distributed logarithmically, the result is shown on Fig. ... It can be shown that the mean magnitude at each duration reproduces the mean power spectrum in log-log coordinates. Therefore, this particular presentation of the probability density function shows graphically the scale-dependent scatter around the mean energy spectrum. ...

... PUL2 catalog contains original absolute proper motions of 59646 stars in 149 fields with galaxies. ... Mean errors of relative proper motions in PUL2 catalog is 5.5 mas/year. ... The external mean error of one relative proper motion of a bright star of PUL2 catalog is 9 mas/year for both of coordinates. ... After issue of UCAC2 catalog, we decided to improve accuracy of proper motions, using Pul-3 coordinates (of 1950s) as the first epoch, and UCAC2 coordinates as the second epoch. ...

... We have compiled the Catalogue of extragalactic supernovae using the GCVS card catalogue. ... Doubtful (?), or rejected (-) SN 8 A1 --- RemFlag [*] The '*' indicates a remark in sn_rem.dat 10- 19 A10 --- Gal Parent galaxy designation 21- 22 I2 h RAh Right Ascension 1950 of Parent galaxy 23- 24 I2 min RAm Right Ascension 1950 (minutes) 25- 28 F4.1 s RAs Right Ascension 1950 (seconds) 29 A1 --- DE- Declination 1950 (sign) 30- 31 I2 deg DEd Declination 1950 of Parent ...

Общая Астрономическая Конференция > Практика > Астрономические наблюдения > Звезда рядом с Венерой . ... Просмотр полной версии : Звезда рядом с Венерой . ... Если посмотреть в SkyMap, получается, что около 2 ч. Московского летнего времени Венера проходила примерно в 0.5' от переменной звезды TV Gem. ... Julian day number 2452125.41667) . ... Names and Catalog Numbers . ... PPM number: PPM 95588 . ... Tycho Catalog Data . ... RA: 0.0068 arcsec . ... Number of accepted data points: 106 . ...

... They worked out that first magnitude was on average 100 times brighter than the 6th magnitude star. ... This formed an equation of apparent magnitude Mv which is: Mv = -2.5 log f + constant were f is the flux of that star f = ( counts/ exposure) The images that we worked on were taken by the Polar Bear Telescope. ... One of these being that it will be combined with standard stars, which will be used to identify the area of stars and to also help identify other stars within the image. ...

... StarCalc Home Page - Downloads . ... File . StarCalc (English version) . ... With minimal configuration, version 5.72 of StarCalc includes the next interfaces: "Horizon", "Horizontal coordinategrid", "Equatorial coordinate grid", "Constellation boundaries", "Constellation lines", "Constellation names", "Star proper names", "Bright Star Catalog", "Deep-sky objects", "Sun", "Moon" and "Planets and satellites" . Plugins for StarCalc . ... Interface to NGC 2000 (plugin + catalog file) . ...

... My mother had a 'star named for me' with the International Star Registry (henceforth ISR) as a gift for this Christmas. ... On the back of the chart, a sticker described the precise location and visual magnitude of the star, taken from the Hubble Guide Star Catalog. The first thing I noticed, was the chart was Epoch 1950. ... The coordinates were also exactly those on the ISR sticker, so I now knew that even though the ISR chart was epoch 1950, the coordinates on the sticker were epoch 1983. ...