Browsing by Subject "OLD OPEN CLUSTERS"

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    • NGC 6791: An exotic open cluster or the nucleus of a tidally disrupted galaxy? 
      Carraro, Giovanni; Villanova, Sandro; Demarque, Pierre; McSwain, M. Virginia; Piotto, Giampaolo; Bedin, Luigi R. (UNIV CHICAGO PRESS, 2006-06-01)
      We report on high-resolution echelle spectroscopy of 20 giant stars in the Galactic old open cluster NGC 6791, obtained with Hydra at the WIYN telescope. High-precision radial velocity allows us to isolate 15 bona fide ...
    • Open clusters in the third galactic quadrant - II. The intermediate age open clusters NGC 2425 and NGC 2635 
      Moitinho, A.; Carraro, Giovanni; Baume, Gustavo; Vázquez, Rúben A. (EDP SCIENCES, 2006-01)
      We analyse CCD broad band (UBV(RI)(C)) photometric data obtained in the fields of the poorly studied open clusters NGC 2425 and NGC 2635. Both clusters are found to be of intermediate age thus increasing the population of ...
    • Photometry of seven overlooked open clusters in the first and fourth Galactic quadrants 
      Carraro, Giovanni; Janes, Kenneth A.; Costa Hechenleitner, Edgardo; Méndez Bussard, René Alejandro (BLACKWELL, 2006-05-21)
      CCD BVI photometry is presented for seven previously unstudied star clusters projected towards the inner side of the Galaxy: Trumpler 23, Lynga 3, Collinder 307, Ruprecht 134, ESO552SC16, AL 5 and Kronberger 3. Colour-magnitude ...