On June 11th, 2010, RXTE/PCA galactic bulge scan observations showed an increase in activity from the globular cluster NGC 6440. Two accreting millisecond X-ray...
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PublicaciónNew outburst of the accreting millisecond X-ray pulsar NGC 6440 X-2 and discovery of a strong 1 Hz modulation in the light-curve
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PublicaciónNew outburst of the accreting-millisecond X-ray pulsar NGC 6440 X-2
On Friday 19th, 2010 (19h 13m 26s UT), the RXTE galactic bulge scans detected a flux excess in the direction of the globular cluster NGC 6440. This globular...
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PublicaciónObservation of the black widow B1957+20 millisecond pulsar binary system with the MAGIC telescopes
B1957+20 is a millisecond pulsar located in a black-widow-type compact binary system with a low-mass stellar companion. The interaction of the pulsar wind with...
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PublicaciónObservations of the Crab Nebula and Pulsar with the Large-sized Telescope Prototype of the Cherenkov Telescope Array
The Cherenkov Telescope Array (CTA) is a next-generation ground-based observatory for gamma-ray astronomy at very high energies. The Large-Sized Telescope...
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PublicaciónObservations of the Crab Pulsar between 25 and 100 GeV with the MAGIC I Telescope
We report on the observation of γ-rays above 25 GeV from the Crab pulsar (PSR B0532+21) using the MAGIC I telescope. Two data sets from observations during the...
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PublicaciónOn the presence of two discs in the X-ray/Be binary A 0535 + 26/HDE 245770
The analysis of the efficiency of accretion in the X-ray binary system A 0535 + 26/HDE 245770 and of the specific angular momentum of the matter accreted during...
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PublicaciónOptical Counterpart of the Millisecond Pulsar XTE J1751-305
We have obtained I-band images for the new accreting millisecond pulsar XTE J1751-305 (IAUC#7867,#7870,#7872,#7874,#7876) with the 6.5-m Baade telescope and the...
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PublicaciónOptical counterpart of the XTE J0929-314 in quiescence: constraints on the magnetic field
We present VLT observations of the optical counterpart of th X-ray millisecond pulsar XTE J0929-314 in quiescence. We detected a very faint candidate in...
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PublicaciónOptical decline of HETE J1900.1-2455
Following the recently reported decline of the X-ray flux from the millisecond pulsar HETE J1900.1-2455 (Galloway et al. 2007, ATel #1086), we acquired images...