Free Access
Astron. Astrophys. Suppl. Ser.
Volume 119, Number 1, October_I 1996
Page(s) 91 - 98
Published online 15 October 1996
The Magellanic Catalogue of Stars (MACS) DOI: 10.1051/aas:1996229

Astronomy and Astrophysics Supplement Series, Vol. 119, October I 1996, 91-98

The Magellanic Catalogue of Stars (MACS) gif

H.-J. Tucholke , K.S. de Boer and W.C. Seitter

Send offprint requests to: H.-J. Tucholke (email

Astronomisches Institut der Universität Münster, Wilhelm-Klemm-Straße 10, D--48149 Münster, Germany
Sternwarte der Universität Bonn, Auf dem Hügel 71, D--53121 Bonn, Germany

Received November 23, 1995; accepted February 2, 1996


We have compiled the Magellanic Catalogue of Stars (MACS), a catalogue of positions for 243561 stars covering large areas around the Large and Small Magellanic Cloud (LMC and SMC). The positions have been measured using ESO Schmidt plates and refer to the FK5 system via the PPM catalogue. A comparison of positions from different plates shows internal errors at a level of to . The positional accuracy is estimated to be better than per coordinate for 99% of the stars. The limiting magnitude of the MACS is , but the catalogue is not complete: only those stars are included which are undisturbed by close neighbours as verified by visual screening in order to obtain a clean astrometric reference. We introduce for the MACS a nomenclature and numbering system in accord with IAU rules based on position, leaving the possibility to add further stars without upsetting the numbering system. The catalogue is available via the Centre des Données Strasbourg (CDS).

Key words: Magellanic Clouds --- catalogs --- astrometry --- galaxies: stellar content

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