CCD astrometry and components instrumental magnitude difference of 432 Hipparcos wide visual double stars von Sinachopoulos, D., Gavras, P., Dionatos, O., Ducourant, Ch, Medupe, Th

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CCD Measurements of Hipparcos Wide Visual Double Stars von Sinachopoulos, D, Gavras, P, Medupe, Th, Ducourant, Ch, Dionatos, O

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CCD Astrometry and Photometry of Visual Double Stars: Northern Hipparcos Wide Pairs Measured in the Years 2003-2005 von Sinachopoulos, D., Gavras, P., Medupe, Th, Ducourant, Ch, Dionatos, O.

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δ Scuti stars in Praesepe: I. The STACC 1998 campaign -the photometry von Frandsen, S., Pigulski, A., Nuspl, J., Breger, M., Belmonte, J. A., Dall, T. H., Arentoft, T., Sterken, C., Medupe, T., Gupta, S. K., Pinheiro, F. J. G., Monteiro, M. J. P. F. G., Barban, C., Chevreton, M., Michel, E., Benkő, J. M., Barcza, Sz, Szabó, R., Kołaczkowski, Z., Kopacki, G., Udovichenko, S. N.

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