Publicación
RXTE detects X-ray bursts from Circinus X-1
After the recent report of X-ray re-brightening (ATel #2608), RXTE has observed the peculiar neutron star X-ray binary Cir X-1 eleven times during the last two...
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PublicaciónSearch for black holes and other new phenomena in high-multiplicity final states in proton-proton collisions at √{ s} = 13TeVA search for new physics in energetic, high-multiplicity final states has been performed using proton-proton collision data collected with the CMS detector at a...
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PublicaciónSearch for very high-energy gamma-ray emission from the microquasar Cygnus X-1 with the MAGIC telescopesThe microquasar Cygnus X-1 displays the two typical soft and hard X-ray states of a black hole transient. During the latter, Cygnus X-1 shows a one-sided...
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PublicaciónSimultaneous INTEGRAL, RXTE, Swift and FT South observations of the transition of GX 339-4As GX 339-4 has started to leave the Low/Hard State (ATel #2545), we triggered the 2nd part of our INTEGRAL campaign on GX 339-4 in the declining phase of the...
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PublicaciónSimultaneous NICER and NuSTAR observations of the ultraluminous source NGC 4190 ULX-1Aims: We present an X-ray analysis of three different XMM-Newton observations together with simultaneous NICER and NuSTAR observations of the ultraluminous X...
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PublicaciónSimultaneous X-ray and optical spectroscopy of V404 Cygni supports the multi-phase nature of X-ray binary accretion disc windsObservational signatures of accretion disc winds have been found in a significant number of low-mass X-ray binaries at either X-ray or optical wavelengths. The...
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PublicaciónSOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO/Virgo Event GW190814On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An...
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PublicaciónSoft-state optical spectroscopy of the black hole MAXI J1305-704The X-ray dipper MAXI J1305-704 is a dynamically confirmed black hole (BH) X-ray binary discovered a decade ago. While its only outburst has been studied in...
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PublicaciónSpectroscopic confirmation of the AGN nature of Swift J1933.9+3258 (=1RXS J193347.6+325422)We report on optical spectroscopy of Swift J1933.9+3258 (=1RXS J193347.6+325422). This X-ray source has recently been classified as a likely radio-quiet AGN on...