Navegação Ciências Exatas e da Terra por Autor "Tanvir, Nial R."

Resultados 1-2 de 2

    • The metal-rich globular cluster NGC 6553 : observations with WFPC2, STIS, and NICMOS 

      Beaulieu, Sylvie F.; Gilmore, Gerard Fitzgerald; Elson, Rebecca A.W.; Johnson, Rachel A.; Santiago, Basilio Xavier; Sigurdsson, Steinn; Tanvir, Nial R. (2001) [Artigo de periódico]
      We present a Hubble Space Telescope study of the metal-rich globular cluster NGC 6553 using WFPC2, NICMOS, and STIS. Our primary motivation is to calibrate the STIS broadband LP magnitude against V555 and I814 magnitudes ...

    • Young star clusters in the Large Magellanic Cloud : NGC 1805 and 1818 

      Johnson, Rachel A.; Beaulieu, Sylvie F.; Gilmore, Gerard Fitzgerald; Hurley, Jarrod; Santiago, Basilio Xavier; Tanvir, Nial R.; Elson, Rebecca A.W. (2001) [Artigo de periódico]
      We present colour-magnitude diagrams for two rich (~~104 M̛) Large Magellanic Cloud star clusters with ages ~~ 107 yr, constructed from optical and near-infrared data obtained with the Hubble Space Telescope. These data ...