Spectroscopic observations during a low state of BB Dor reveal a complex emission distribution. Irradiation by the white dwarf as well as magnetic fields of the...
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PublicaciónThe structure of BB Doradus in quiescence
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PublicaciónThe supergiant optical counterpart of ULX P13 in NGC 7793
We have identified the optical counterpart of the ULX source P13 in the nearby spiral galaxy NGC 7793. The object is a V ˜ 20.5 mag star, ten times brighter...
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PublicaciónThe ultraluminous X-ray source NGC 1313 X-2. Its optical counterpart and environment
NGC 1313 X-2 is one of the brightest ultraluminous X-ray sources in the sky, at both X-ray and optical wavelengths; therefore, quite a few studies of available...
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PublicaciónThe ULX NGC 1313 X-2: an Optical Study Revealing an Interesting Behavior
We present a summary of our ongoing efforts to study one of the brightest ultraluminous X-ray source, NGC 1313 X-2. Despite a large coverage in the X-rays, much...
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PublicaciónThe variable radio counterpart of Swift J1858.6-0814
Swift J1858.6-0814 is a transient neutron star X-ray binary discovered in 2018 October. Multiwavelength follow-up observations across the electromagnetic...
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PublicaciónThe very faint hard state of the persistent neutron star X-ray binary SLX 1737-282 near the Galactic Centre
We report on a detailed study of the spectral and temporal properties of the neutron star low-mass X-ray binary SLX 1737-282, which is located only ∼1° away...
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PublicaciónThe X-ray binary X2127+119 in M15: evidence for a very low mass, stripped-giant companion
We present integral field spectroscopy of X2127+119, the luminous X-ray binary in the globular cluster M15, obtained with INTEGRAL/WYFFOS on the William...
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PublicaciónThe X-Ray Properties of the Black Hole Transient MAXI J1659-152 in Quiescence
We present new Chandra X-ray observations of the transient black hole X-ray binary MAXI J1659-152 in quiescence. These observations were made more than one year...
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PublicaciónThe XMM-Newton/Chandra monitoring campaign of the Galactic center region. Description of the program and preliminary results
We present the first results of our X-ray monitoring campaign on a 1.7 square degree region centered on Sgr A* using the satellites XMM-Newton and Chandra. The...