The Oosterhoff types of the Fornax dSph Globular Clusters

The Oosterhoff types of the Fornax dSph Globular Clusters

We have applied the Image Subtraction to B,V time-series photometry of four globular clusters of the Fornax dwarf spheoridal galaxy, which were observed with the 2.2m ESO-MPI, the 6.5m Magellan/Clay, the 4m CTIO/Blanco telescopes and the WFPC2 on board of HST. We have identified RR Lyrae stars and o...

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Veröffentlicht in:Proceedings of the International Astronomical Union 2006-12, Vol.2 (S241), p.343-344
Hauptverfasser: Greco, C., Clementini, G., Catelan, M., Poretti, E., Held, E. V., Gullieuszik, M., Maio, M., Rest, A., De Lee, N., Smith, H. A., Pritzl, B. J.
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Contributed Papers
Research methodology
Star & galaxy formation
Telescopes
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Zusammenfassung:We have applied the Image Subtraction to B,V time-series photometry of four globular clusters of the Fornax dwarf spheoridal galaxy, which were observed with the 2.2m ESO-MPI, the 6.5m Magellan/Clay, the 4m CTIO/Blanco telescopes and the WFPC2 on board of HST. We have identified RR Lyrae stars and obtained well sampled light curves for the clusters' variables. From the periods and pulsation properties of their RR Lyrae stars Fornax globular clusters seem to be of Oosterhoff intermediate type.
ISSN:1743-9213
1743-9221
DOI:10.1017/S174392130700837X