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Infrared Passbands for Precise Photometry of Variable Stars by Amateur and Professional Astronomers
Eugene F. Milone, Andrew T. Young
The Infrared spectral region is a rich one for variable star work, especially of cooler stars, but it has been hard to do IR photometry because of high, variable background, and sp…
Evaluating Gaia performances on eclipsing binaries. IV. Orbits and stellar parameters for SV Cam, BS Dra and HP Dra
E. F. Milone, U. Munari, P. M. Marrese +4
This is the fourth in a series of papers that aim both to provide reasonable orbits for a number of eclipsing binaries and to evaluate the expected performance of Gaia of these obj…
Evaluating GAIA performances on eclipsing binaries. III. Orbits and stellar parameters for UW LMi, V432 Aur and CN Lyn
P. M. Marrese, U. Munari, A. Siviero +5
The orbits and physical parameters of three detached F and G-type eclipsing binaries have been derived combining Hipparcos H(P) photometry with 8480-8740 Ang ground-based spectrosc…
Asiago eclipsing binaries program. I. V432 Aur
A. Siviero, U. Munari, R. Sordo +4
The orbit and physical parameters of the previously unsolved eclipsing binary V432 Aur, discovered by Hipparcos, have been derived with errors better than 1% from extensive Echelle…
Evaluating GAIA performances on eclipsing binaries. II. Orbits and stellar parameters for V781 Tau, UV Leo and GK Dra
T. Zwitter, U. Munari, P. M. Marrese +5
The orbits and physical parameters of three close, double-lined G0 eclipsing binaries have been derived combining H_P, V_T, B_T photometry from the Hipparcos/Tycho mission with 848…
A Lack of Planets in 47 Tucanae from an HST Search
Ronald L. Gilliland, T. M. Brown, P. Guhathakurta +21
We report results from a large Hubble Space Telescope project to observe a significant (~34,000) ensemble of main sequence stars in the globular cluster 47 Tucanae with a goal of d…