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Table 1:

Photometric data for V39. Udalski et al. (2001), Pietrzynski et al. (2006) and Garcia et al. (2009) give mean values.

U
B V R I J K Ref.
  18.6-19.9           Sandage (1971)
    18.851   17.617     Udalski et al. (2001)
    18.5-19.0   17.45-17.7     Mantegazza et al. (2002)
          16.815 15.818 Pietrzynski et al. (2006)
19.43 19.62 19.00 18.37 17.75     Garcia et al. (2009)


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