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International Celestial Reference Frame 2, ICRF2
This Technical Note describes the generation by an international team of the second realization of the International Celestial Reference Frame (ICRF2) at radio wavelengths using... -
Hipparcos, the New Reduction
A new reduction of the astrometric data as produced by the Hipparcos mission has been published, claiming accuracies for nearly all stars brighter than magnitude Hp=8 to be... -
Carlsberg Meridian Catalog 14 (CMC14)
The Carlsberg Meridian Telescope (formerly the Carlsberg Automatic Meridian Circle) is dedicated to carrying out high-precision optical astrometry. It underwent a major upgrade... -
The CMT CCD Drift Scan Survey
This is CMC12 (Version 1.0), an astrometric and photometric catalogue of 6.3 million stars in the red magnitude range 9 to 17. The Carlsberg Meridian Telescope (CMT) underwent a... -
Extragalactic Reference Link Catalog (ERLcat)
This is an astrometric catalog, providing positions of 89,422 stars in 398 selected fields of extragalactic reference frame sources. The stars are mainly in the 11 to 14... -
M2000: Bordeaux Carte du Ciel zone +11<Dec<+18
During four years, systematic observations have been conducted in drift scan mode with the Bordeaux automated meridian circle in the declination band [+11 ; +18]. The resulting... -
Proper motions of fundamental stars (PMFS)
This catalog contains the proper motions of 1535 Basic FK5 stars (Cat. ) derived from a direct combination of the Hipparcos catalog with 6 compiled and 57 observational... -
ACR catalog around Celestial Equator
We present improved and highly accurate International Celestial Reference System (ICRS) equatorial positions for 1,268,732 stars in 16 astrometric calibration regions located... -
Bonner Durchmusterung
The Bonner Durchmusterung (BD, Argelander 1859-62, Kuestner 1903, Becker 1951, Schmidt 1968) is a visual survey of stars in the declination zones +89 to -01 degrees. The goal of... -
Southern Durchmusterung
The Southern Durchmusterung (SD) was computerized at the Centre de Donnees Astronomiques de Strasbourg and at the Astronomical Data Center at the National Space Science Data... -
Cordoba Durchmusterung
The "Cordoba Durchmusterung" (CD, Thome 1892-1932) is a visual survey of southern stars in the declination zones -22 to -89 deg, carried out as an extension to the "Bonner... -
General Catalogue of 33342 stars (GC)
The GC is a catalog of standard positions and proper motions for (all) stars brighter than magnitude 7, extending from the north to south celestial poles. Several thousand... -
Cape Photographic Durchmusterung
The "Cape Photographic Durchmusterung" (CPD, Gill and Kapteyn 1895-1900) is a photographic survey of southern stars in the declination range -18 deg to -90 degrees. The original... -
Results of obs with the 6-inch transit circle
This catalog is a compilation of seven catalogs of positions derived from observations with the six-inch transit circle of the U. S. Naval Observatory. The observations were... -
Proper motions in the Hyades
We have used COSMOS scans of photographic plates taken by the Palomar Oschin Schmidt telescope (as part of the original Palomar Sky Survey) and by the UK Schmidt telescope to... -
The Radio Fundamental Catalog - RFC
We present an all-sky catalog of absolute positions and estimates of correlated flux density of 21942 compact radio sources determined from processing interferometric visibility...
