Publication
The mass of the black hole in GS 2000+25 (=QZ Vul).
The authors report the first infrared light curve of GS 2000+25. By modelling the brightness variations as ellipsoidal modulations of the secondary star, the...
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PublicationThe mass of the black hole in the low-inclination LMXB transient system GRO J0422+32 (=Nova Persei 1992)We present the first infrared light curve of GRO J0422+32, and use it along with R-band data and published I- and Cousins R_c-band data to constrain the...
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PublicationThe mass of the black hole in V404 Cygni.Not Available
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PublicationThe Mass of the Black-Hole in A:0620-00We present a direct determination of the mass of the system components in the soft X-ray transient A0620 -00. Infrared photometry during 1990 allows us to...
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PublicationThe mass of X-ray Nova Scorpii1994 (=GRO J1655-40)We have obtained high- and intermediate-resolution optical spectra of the black hole candidate Nova Scorpii 1994 in 1998 May/June, when the source was in...
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PublicationThe massive white dwarf in the recurrent nova TCrBWe have obtained I-, J-, H- and K-band light curves of the recurrent nova TCrB. We find that we can fit the J-band light curve only with a Roche lobe filling...
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PublicationThe maximum stellar mass, star-cluster formation and composite stellar populationsWe demonstrate that the mass of the most massive star in a cluster correlates non-trivially with the cluster mass. A simple algorithm, according to which a...
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PublicationThe merger history of massive spheroids since z ˜ 1 is size-independentUsing a compilation of 379 massive (stellar mass M ≳ 1011 M⊙) spheroid-like galaxies from the near-infrared Palomar/DEEP-2 survey, we investigated, up to z ˜ 1...
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PublicationThe metal-rich halo tail extended in |z|: a characterization with Gaia DR2 and APOGEEWe report an analysis of the metal-rich tail ([Fe/H] > -0.75) of stars located at distances from the Galactic plane up to |z| ˜ 10 kpc, observed by the Apache...