... These data were originally part of a PhD-thesis at Leiden Observatory by M.H. Wieringa (1991). 1 name Name of source (char8, example : '76W0771*') 2 freq MHz Frequency of source detection in MHz (int, example : 327 or 608 ) 3 ra_1950 radians B1950 Right Ascension (in radians) ( real , example : 2.328327) 4 ra_1950_deg degrees B1950 Right Ascension (in degrees) ( real , example : 133.403290) 5 ra_err seconds Error in RA ( ... 70W : Umi, 327 MHz only, one field. ... Columns 21 Rows 5850...

... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... It is often useful to explicitly specify the desired rotation of the WFPC2 field-of-view on the sky. ... Figure 7.8 shows the CCD orientation and aperture locations relative to the U3 axis. ... Obtain the Position Angle (PA) of the source axis on the sky, measured in the standard way, North through East. ... desired source angle in field-of-view measured CW from +U3 axis) . ...

Main view of SAI Supernova Catalogue. Column . ... Gal . ... Magnitude . ... Magnitude band . ... Code for SN search programme or observatory where SN was discovered . ... Tables of SAI Supernova Catalogue. ... Table "band". ... Lick Observatory Supernova Search . ... The collaboration of the Lick Observatory Supernova Search and the Tenagra Observatory Supernova Search . ... McDonald Observatory Supernova Search Team . ... Perth Observatory Supernova Search Program ( A. Williams and R. Martin ) . ...

... esky2det (esky2det-1.12) [xmmsas_20070708_1801-7.1.0] . ... If positions are supplied in a FITS table, the task attempts to read sky-position information stored in decimal degrees from columns named RA and DEC in the source list specified by the parameter intab . ... There are two options for the output: either the output positions can be written to columns in the same file, or a new file can be created to contain them. ... If outunit =`raw', a FLAG column is also written. ...

On 1 February 2002 this Mirror was upgraded from NVSSlist v2.10 to NVSSlist v2.17 . ... This form searches the source catalog produced by the NRAO/VLA Sky Survey (NVSS). ... Object name [optional] : . ... Search radius and verification halfwidth in arcseconds [Optional] : . ... Enter a list of positions to search: . ... The contents of the NVSS source catalog and the techniques used by NVSSlist to derive error estimates and other parameters are described here. ...

I/146 Positions and Proper Motions (Roeser+ 1988) ================================================================================ Catalogue of Positions and Proper Motions Roeser S., Bastian U. =1988A .. ... 449R ================================================================================ ADC_Keywords: Positional data; Proper motions Description: PPM North gives J2000 positions and proper motions of 181,731 stars north of -2.5 degrees declination. ... The mean epoch is near 1931. ...

... It interpolates the grid at the positions in the table and writes out the table with the interpolated values added as a new column. A bicubic [Default] or bilinear [ -Q ] interpolation is used, requiring boundary conditions at the limits of the region (see -L flag option). xyfile This is an ASCII [or binary, see -b ] file where the first 2 columns hold the (x,y) positions where the user wants to sample the 2-D data set. ... Default is 2 input columns]. -bo Selects binary output. ...

... We present a proposed standard for data dictionaries associated with catalogs being accessed through the Astrophysics Data System (ADS) Mosaic Catalog Service. Each catalog made available for searching must have a data dictionary, which consists of a set of specified keywords describing format, content and location of data. ... There are two keywords in the Table Data Dictionary which indicate to the server software that the corresponding column contains special attributes. ...

... In this work, we investigate some a new possibility to estimate correlations between radio source position catalogs (RSC). ... Catalogs AUS AUS AUS AUS AUS AUS BKG BKG BKG BKG BKG GSF GSF GSF BKG GSF IAA MAO OPA USN GSF IAA MAO OPA USN IAA MAO OPA USN MAO OPA USN OPA USN GSF IAA IAA IAA MAO With correlations, the system to be solve consists of the equations: The key point is to obtain a reliable estimates of ij. ...

... We have compared visualized fields of GSC and USNO A1.0 catalog with unpublished photographic finding charts that were sent by L. Plaut to the compilers of the GCVS. ... 7-15 A9 --- GCVS GCVS or NSV name 17-25 F9.4 --- GSC GSC number 26 A1 --- NoteFlag *Nonstar (GSC) flag 28-29 I2 h RA2000GSC.h Hours RA (GSC), equinox 2000.0 31-32 I2 min RA2000GSC.m Minutes RA (GSC), equinox 2000.0 34-38 F5.2 s RA2000GSC.s Seconds RA (GSC), equinox 2000.0 40 A1 --- DE2000GSC.- ... Plaut, L., 1966, Bull. ...

The Arcetri Catalog contains measures and bibliographic data for all known H2O maser sources north of declination = -30 degrees (to be observable with the Medicina radiotelescope). ... This database is fully described in Cesaroni et al. ... A statistical analysis on the atlas has been carried (Palagi et al 1993). R. Cesaroni, F. Palagi, M. Felli, M. Catarzi, G. Comoretto, S. Di Franco, C. Giovanardi, F. Palla: A Catalogue of H2O maser sources north of delta=-30 , Astronomy and Astrophysics Suppl., ...

Program: CURSOR Purpose: Write positions (GRIDS and PHYSICAL coordinates), pointed with an interactive graphics cursor in a GIDS overlay, to screen or ASCII file. ... BOX= Give box in ..... [entire subset] **COLOUR= Marker colour (number or abbrv. name): [red] The positions pointed by the graphics cursor will be marked in this colour. ... Example: Set marker colour to yellow: COLOUR=7 COLOUR=Yellow COLOUR=yel FILENAME= Give name of ASCII file: [No file] Write positions to a file on disk or screen. ...

The Texas survey of radio sources covering -35.5{deg} < {delta} < 71.5{deg} at 365MHz . ... We present the Texas Survey of discrete radio sources between -35.5deg and 71.5deg declination (B1950), which was carried out at 365MHz with the Texas Interferometer during 1974-1983. ... The Texas Survey . ... The sources in the simpler model. ... Right Ascension 1950 . ... field separator . ... Some sources came from Version 6 of the Texas Survey ('TS6' in strp field) or Version 7 ('TS7' in strp field) . ...

Many entry fields permit sexagesimal entry (h:m:s.s or :':"). ... Sexagesimal entry is flexible in that you can specify one to three fields, as you desire. ... Position entry widgets assume that a single field is decimal hours or degrees (h.h or . ... You may specify one to three fields: . ... Note: sexagesimal offsets and durations are entered in the same fashion, but a single field is decimal arc-seconds or seconds ('.' or s.s) and two fields are (arc) minutes and seconds (':"." or m:s.s). ...

... Commands are all case insensitive. ... When you connect, the system prompt should read "Positioner Ready>". ... If the command is in range, the drive is enabled, the system is driven to the commanded position, and the drive is disabled (including setting the brakes). ... I have the system disconnected while I'm installing the feedthroughs): telnet 192.168.1.40 5002 Positioner Ready> angle=180 Outside of software limits (-178,178) Positioner Ready> angle=170.1 Driving to 170.1, ESC to abort.. ...

. In each panel, the left side image shows column density perpendicular to the rotation axis in a (3000AU)2 region. The right side shows volume density in a (3000 UA)2 slice along the rotation axis. Plus signs indicate the projected positions of stars. University of Southern California, Santa Cruz

... Positions in 2000 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2001 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2002 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2003 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . Positions in 2004 - Jan - Feb - Mar - Apr - May - Jun - Jul - Aug - Sep - Oct - Nov - Dec . ...

This diagram illustrates the effects of absolutely positioning a box ("inner") with respect to a containing block established by a relatively positioned ancestor ("outer"). ... The "inner" box has been positioned relative to the top and left edges of the "outer" element's first inline box. ... The reference edges for positioning the "inner" box are indicated in the diagram by thick dashed lines. ... 1 Beginning of body contents.| ... 4 [(+200, -100)] 5 Inner 6 contents. ... Inner contents" is blue. ...

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. ...

Next: Spectroscopy Up: Data files Previous: Interferometry Contents . Astrometry data file have to have the extension .psn . The following gives an example for Algol, where the columns give the hierarchical component designation, the Julian year of observation, separation (in mas) and position angle (in degrees from N over E), major and minor axis (in mas), and position angle of the major axis of the error ellipse (in degrees, from N over E). ...