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CCD Photometry of the globular cluster NGC 5466. RR Lyrae light curve decomposition and the distance scale
A. Arellano Ferro, V. Rojas Lopez, Sunetra Giridhar +1
We report the results of CCD V and r photometry of the globular cluster NGC 5466. The difference image analysis technique adopted in this work has resulted in accurate time series…
Limits on additional planetary companions to OGLE-2005-BLG-390L
D. Kubas, A. Cassan, M. Dominik +1
We investigate constraints on additional planets orbiting the distant M-dwarf star OGLE-2005-BLG-390L, around which photometric microlensing data has revealed the existence of the…
New UltraCool and Halo White Dwarf Candidates in SDSS Stripe 82
S. Vidrih, D. M. Bramich, P. C. Hewett +16
A 2.5 x 100 degree region along the celestial equator (Stripe 82) has been imaged repeatedly from 1998 to 2005 by the Sloan Digital Sky Survey. A new catalogue of ~4 million light-…
An anomaly detector with immediate feedback to hunt for planets of Earth mass and below by microlensing
M. Dominik, N. J. Rattenbury, A. Allan +6
(abridged) The discovery of OGLE 2005-BLG-390Lb, the first cool rocky/icy exoplanet, impressively demonstrated the sensitivity of the microlensing technique to extra-solar planets…
The Monitor project: JW 380 -- a 0.26, 0.15 Msol pre main sequence eclipsing binary in the Orion Nebula Cluster
Jonathan Irwin, Suzanne Aigrain, Simon Hodgkin +14
We report the discovery of a low-mass (0.26 +/- 0.02, 0.15 +/- 0.01 Msol) pre-main-sequence eclipsing binary with a 5.3 day orbital period. JW 380 was detected as part of a high-ca…
The Monitor project: Rotation of low-mass stars in the open cluster NGC 2516
Jonathan Irwin, Simon Hodgkin, Suzanne Aigrain +5
We report on the results of an i-band time-series photometric survey of NGC 2516 using the CTIO 4m Blanco telescope and 8k Mosaic-II detector, achieving better than 1% photometric…