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- European Southern ObservatoryCL411 papers
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24 papers · 1 filter
Toward the general RGB slope-metallicity-age calibration: I Metallicities, Ages and Kinematics for Eight LMC Clusters
Saurabh Sharma, J. Borissova, R. Kurtev +2
In this paper, we discuss the properties of CMDs, age, metallicity and radial velocities of eight massive LMC clusters using data taken from FORS2 multiobject spectrograph at the 8…
Post-common envelope binaries from SDSS - VII: A catalogue of white dwarf-main sequence binaries
A. Rebassa-Mansergas, B. T. Gaensicke, M. R. Schreiber +2
We present a catalogue of 1602 white dwarf-main sequence binaries (WDMS) from the spectroscopic Sloan Digital Sky Survey Data Release 6 (SDSS DR6). Among these we identify 440 as n…
Microlensing-Based Estimate of the Mass Fraction in Compact Objects in Lens
E. Mediavilla, J. A. Munoz, E. Falco +6
We estimate the fraction of mass that is composed of compact objects in gravitational lens galaxies. This study is based on microlensing measurements (obtained from the literature)…
Unveiling the molecular environment of the ring nebula RCW 78
C. E. Cappa, M. Rubio, M. C. Martín +1
We present a study of the ionized, neutral atomic, and molecular gas associated with the ring nebula RCW 78 around the WR star HD 117688 (= WR 55). We based our study on CO observa…
On the relation between supersoft X-ray sources and VY Scl stars: The cases of V504 Cen and VY Scl
J. Greiner, R. Schwarz, C. Tappert +3
We summarize our optical monitoring program of VY Scl stars with the SMARTS telescopes, and triggered X-ray as well as optical observations after/during state transitions of V504 C…
Orbital periods of cataclysmic variables identified by the SDSS. VI. The 4.5-hr period eclipsing system SDSS J100658.40+233724.4
John Southworth, R. D. G. Hickman, T. R. Marsh +4
We present time-resolved spectroscopy and photometry of SDSS J100658.40+233724.4, which we have discovered to be an eclipsing cataclysmic variable with an orbital period of 0.18591…