Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...

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• A VLA Survey of the First Quadrant of the Galactic Plane at 1.5
• All Sky Catalog at 2.7 GHz
• The 7C(G) survey

... Impact on source motion in Galactic coordinate system is given by Kovalevsky (2003), Malkin (2011) l cos b = -A sin l, b = -A cos l sin b, where A = R0 02 /c is the galactocentric acceleration called hereafter the GA constant. ... We just have to return to the traditional many-centuries-old astrometric practice of modelling the position of a celestial object as a linear trend with two parameters: the position at the initial (conventional) epoch and the apparent (proper) motion. ... 2011). ...

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• Pulkovo NEO Page: Estimation of Accuracy of the Observations
• Pulkovo NEO Page: Estimation of Observational Accuracy
• Catalogue of double stars

... Advises . Contact Advises . As an advise for amateurs we would like to underline: if it's possible, try to observe 3 asteroid positions per night and do not neglect to observe the Numbered Minor Planets in your telescope field of view as a "by product" of your observational programs. ... We think such estimations ought to be produced every morning after CCD observations of the moving celestial objects by observer himself. ...

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... HST Guide Star catalogue (version 1) . ... 105 . ... Gl - Gliese (1969); GJ - Gliese Jahreiss (1979); Wo - Woolley et al, (1970); LHS - Luyten Half-Second Catalogue; LTT - Luyten Two-Tenths Catalogue; LP - Luyten Palomar proper-motion catalogue; G - Giclas et al (1971); GR - Giclas et al (1971) red star; GH - Giclas et al (1971) Hyades star; Rob - Robertson (1984); Steph - Stephenson (1986); PS - Pesch Sanduleak (1978); San - Sanduleak (1976); vA - van Altena (1969); V - Vyssotsky (1963) . ...

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• Using Multiple FP-POS positions with COS observations
• CCD Position and Orientation on Sky
• COS FUV Spectra Shifted to New Lifetime Position.

... 16MHz yet want both IFs) comment= Cal tones (if there are any?) OFF comment =S2 mode : 8x4-2 (2 tapes recording), SLP comment = comment =Polarization : RCP,LCP comment =Tapes : 4x2, comment = Recording in SLP, (not Maxwell) to finish 2 experiments comment = on 1 set. comment = group 0 : 115 /1200 - 115 /1800 comment = group 1 : 115 /1800 - 115 /2300 comment = comment = I have put the tapes into the top half, as both Ceduna and comment = hobart are having trouble with transport 4 ...

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• http://www.atnf.csiro.au/pub/people/vlbi/v148/v148a1/v148a1.seq
• http://www.atnf.csiro.au/pub/people/vlbi/v148/v148a2/v148a2.txt
• http://www.atnf.csiro.au/pub/people/vlbi/v148/v148a1/v148a1.txt

I-GALFA Survey Coverage Complete . ... The upper figure shows positions in equatorial coordinates: right ascension and declination, which are like extensions of the Earth's longitude and latitude coordinates on the sky. The lower figure shows positions in Galactic longitude and latitude, where Galactic latitude = 0 is the Galactic equator, or the plane of the Milky Way, and the center of the Galaxy lies in the Galactic plane in the direction where the Galactic longitude = 0. ... I-GALFA Main | ...

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• ON/OFF (Position Switching)
• AO Spectral Line Position Search Database.
• T2874 meteors on moon.

... Stone, R.C., and Harris, F.H. (2000), CCD Positions Determined in the International Celestial Reference Frame for the Outer Planets and Many of Their Satellites in 1995-1999 The Astronomical Journal, v. 119, p. 1985-1998. 2000AJ____119_1985S Stone, R.C. (2000) Positions for the outer planets and many of their satellites IV: FASTT observations taken in 1999-2000. ... Year of the moment of observation 2. ... Hour of right ascension (alpha, h) 8. ... Degree of declination (delta, deg) 11. ...

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• jg0040
• Natural Satellites Service. Apparent Encounters of the Tycho-2 Catalogue stars
• jo0057

... 7C(G) catalogue -------------------------------------------------------------------------------- See also: J/A+AS/110/419 : 7C: 151MHz survey of region RA=17h, DE=+65deg (Visser+, 1995) J/MNRAS/282/779 : 7C: 151MHz survey of region 9-16h 20-35deg (Waldram+ 1996) J/MNRAS/298/637 : 7C: 151MHz survey of 3 regions (Pooley+, 1998) Byte-by-byte Description of file: catalog.dat ---------------------------------------------------- ...

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• Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs
• The 7C(G) survey
• Astrophysics Group GMRT Spitzer FLS

Computer Ephemeris for 2016 from DE200/LE200. Longitude of central meridian of Uranus. ...

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• Central meridian positions for physical observations of Saturn for Computer
• Central meridian positions for physical observations of Neptune for Computer
• Lunar physical observations. Explanations for Computer Ephemeris.

The close position of main satellite and subsatellite (distance between them about 1000 km) and using the similar sets of Faraday cups (VDP and VDP-S) with high resolution measurements (up to 16 Hz for the main satellite and up to 10 Hz for the subsatellite) allow us to determine the small-scale variations of the magnetopause shape and position and to estimate the velocity of the magnetopause motion. ... Two point observation of the magnetopause motion: the INTERBALL project. ...

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• Events on January 10-11, 1997 - INTERBALL observations
• Satellite position in the SE and GSM coordinate systems

... News Latest News News Archive Newsletter Quarterly Status Report . ... Data Analysis SAS News What is SAS? ... Archive, Pipeline & Catalogues XMM-Newton Science Archive Pipeline Processing System Observation Data Status Time Correlation Fix Serendipitous Source Catalogue OM Serendipitous Source Catalogue Slew Survey Catalogue Latest Slew Results Browsing Interface for RGS Data Live Radiation Monitor Plots Radiation Monitor Files . ... Please refresh your browser to update the satellite position. ...

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• Generation from In-Orbit Data
• Low gain observations with EPIC pn-CCD on XMM-Newton
• Observation pane

True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Radio Images Page . ... Exposure uf . ... 2834 . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . Click left mouse button on hyperlink below to download file . ... Event 2 FITS File . ... AUX file . ... Power law fit to entire remnant. see fit detail page for more about the fit. see chandra spectrum page for region used. ... True Color Image . ... 2.0" . ...

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• Chandra Images for G000.1-00.1
• Chandra Images for G330.2+01.0
• Chandra Images for G184.6-05.8

.

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• ESO - ALMA

... Accurate identification of physical binary star systems has become of increasing interest in recent years. ... Identification of physical binary star systems, with an estimated reliability of such identifications based on the theory of probability, is also important for current and future efforts to find binary star systems that are candidates for observations with the aim of determining their orbits and component masses. ... probability of the proximity of proper motions and ; . ...

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• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• Calculating the Position and Velocity Components of HST
• ADASS 2003 Conference Proceedings

... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...

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• Program parameters

... 248, 2007 W. J. Jin, I. Platais & M. A. C. Perryman, eds. c 2008 Intern atio nal A stro nom ical U nion doi:10.1017/S1743921308018838 A compiled catalogue of reference stars around the selected ERS in the northern sky V. P. Ryl'kov1 , N. Narizhna ja1 , A. Dement'eva1 , N. Maigurova2 , G. I. Pinigin2 and Y. I. Protsyuk2 1 Main Astronomical Observatory of RuAS, MAO RuAS, Russia email: vryl@gao.spb.ru; 2 Nikolaev Astronomical Observatory, NAO, Ukraine email: pinigin@mao.nikolaev.ua Abstract. ... Pul...

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• Pulkovo Database of Observations of Visual Double Stars
• Pulkovo Databases

... Time calculated from Fermi GBM Trigger Time = 14:12:08.67 ( Connaughton, GCN 9230 ). 1% coincident with our start zero image time. 3x3 degrees around Swift XRT position . ... SUBJECT: GRB 090424 : MASTER-Net prompt optical limit DATE: 09/04/25 20:29:42 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski ... Our observations results: ---------------------------------------------------------------------- Fermi GRB Trigg.* ...

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• MASTER GRB101123A prompt observations

This diagram illustrates the effects of absolutely positioning a box. A document window is shown, with 8 lines (numbered 1 to 8), each 24px high. All text outside the "outer" box has been flowed into lines 1 and 2. The "outer" box is positioned absolutely so that it occupies the lower right quadrant of the document window. ... The lines, as they appear in the image, contain: 1 Beginning of body contents. End of 2 body contents. ... Inner 7 contents. End of 8 outer contents. ...

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• Long description illustrating absolute positioning with respect to the initial
• Dynamic HTML in Communicator
• Long description for example illustrating positioning with respect to a

When entering Identification section user should open the file with observed positions of objects which are to be identified (the file may be first created). ... Format of observations must coincide with that of optic observations in which they are published by Minor Planet Center (observed position may be presented as “accurate” or “approximate” one): . ... observed right ascension (in hours, minutes, and seconds of time (“accurate position”) or in hours and minutes (“approximate position”) . ...

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• LAB Ephem. Astronomy-ERA

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

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