most citedVLBI astrometry of radio stars to link radio and optical celestial reference frames - II. 11 radio stars

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astro-ph.HE2026

Distinct Jet Properties in the X-Ray-Obscured State of GRS 1915+105

Xi Yan, Lang Cui, Sergei Trushkin +6

GRS 1915+105 has remained in an X-ray-obscured state since its transition from a long-lasting unobscured state in 2019. We report on 6.7-GHz East Asia VLBI Network observations of…

astro-ph.HE2026

The First Measurement of Jet Collimation Profiles in an X-ray Binary: the Case of SS 433

Xi Yan, Lang Cui, Zsolt Paragi +1

While significant progress has been achieved in active galactic nuclei (AGN), jet collimation profiles in X-ray binaries (XRBs) have not been directly measured. Here we report the…

astro-ph.HE2026

Discovery of Unusual Jet Orientation Variations in the Microquasar GRS 1915+105

Xi Yan, Lang Cui, Wu Jiang +6

We report large day-timescale variations in the orientation of the southeast--northwest jet in the prototype microquasar GRS 1915+105. These results are based on three-epoch East A…