Four or five new outbursts were detected of the bright X-ray transient GRS 1747-312 in the globular cluster Terzan 6 between 1996 and 1999, through monitoring...
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PublicaciónThe orbital period of the recurrent X-ray transient in Terzan 6
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PublicaciónThe orbital period of V458 Vulpeculae, a post-double common-envelope nova
We present time-resolved optical spectroscopy of V458 Vulpeculae (Nova Vul 2007 No. 1) spread over a period of 15 months starting 301d after its discovery. Our...
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PublicaciónThe orbital period, black hole mass, and distance to the X-ray transient GRS 1716-249 ( =N Oph 93)
We present evidence for a 0.278(8) d ( =6.7 h) orbital period in the X-ray transient GRS 1716-249 (=N Oph 93), based on a superhump modulation detected during...
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PublicaciónThe Orbital Phases and Secondary Transits of Kepler-10b. A Physical Interpretation Based on the Lava-ocean Planet Model
The Kepler mission has made an important observation: the first detection of photons from a terrestrial planet by observing its phase curve (Kepler-10b). This...
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PublicaciónThe Orientation of Disk Galaxies around Large Cosmic Voids
Using a large sample of galaxies from the the seventh data release of the Sloan Digital Sky Survey (SDSS-DR7), we have analyzed the alignment of disk galaxies...
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PublicaciónThe orientation of galaxy dark matter haloes around cosmic voids
Using the Millennium N-body Simulation we explore how the shape and angular momentum of galaxy dark matter haloes surrounding the largest cosmological voids are...
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PublicaciónTHE ORIENTATION OF LUGDUNUM CONUENARUM AND THE CELTIC FEASTS MARKING THE START OF THE SEASONS IN ANCIENT GAUL
There is a long-lasting debate, started in the nineteenth century by d‟Arbois de Jubainville and Jullian, among others, regarding the pan-Celtic nature of the...
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PublicaciónThe Orientation of Pre-Romanesque Churches in the Iberian Peninsula
The orientation of Christian churches is a distinctive feature of its architecture, repeating patterns from early Christian times that show a general tendency...
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PublicaciónThe orientation of WARPS in the Local Group.
The three major spiral galaxies in the Local Group are known to be warped. The question is investigated of whether or not these three warps are aligned. Using...