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The PMN Selected Survey for Southern Gravitational Lenses
O. R. Prouton, S. J. Warren, A. E. Wright
We are surveying the region -87 < delta < -38.5 for multiple imaging at scales 1 < theta < 15 arsec. Candidate gravitational lenses were selected from an existing dataset of Austra…
Influence of Hipparcos on Hyades age estimates from three binary systems
E. Lastennet, D. Valls-Gabaud, T. Lejeune +1
Three independent sets of stellar theoretical models are tested with well-detached systems of the Hyades open cluster: 51 Tau, V818 Tau, and Tau. The choice of these objects…
Model atmosphere calibration for synthetic photometry applications: the uvby Stromgren photometric system
T. Lejeune, E. Lastennet, P. Westera +1
In view of the importance of accurate fundamental stellar parameters for `Spectro-photometric dating of stars and galaxies", we present simultaneous effective temperature and metal…
Simultaneous (age, metallicity) estimates of the Hyades open cluster from three binary systems
E. Lastennet, D. Valls-Gabaud, T. Lejeune +1
Three binary systems in the Hyades open cluster, with known metallicity and good Johnson photometric data are used to test the validity of three independent sets of stellar evoluti…
Natural parity resonances in the etha pi+ pi- and omega omega
V. Dorofeev, D. Bugg, VES Collaboration
Results of the ethapi+pi- and omegaomega final state partial wave analysis(PWA) are presented. The mass-independent and the mass-dependent PWA were performed. The ethapi+pi- system…
Infrared and Optical Study of the Type Ia SN 1998bu in M96
Peter Meikle, Miguel Hernandez
The type Ia SN 1998bu was discovered in the galaxy M96 on 9 May 1998. It is one of the closest type Ia events of modern times and good temporal coverage has been achieved. Moreover…