2 papers
astro-ph.IM2026
Gravitational Light Deflection with SKA-VLBI and Its Application to Precision Tests of General Relativity
Y. J. Li, J. J. Li, Z. H. Lin +4
Experimental test of general relativity remains an ongoing endeavour. Radio astrometry provides a vital tool for precisely measuring the light deflection caused by the Sun, testing…
astro-ph.GA2024
On the Structure of the Sagittarius Spiral Arm in the Inner Milky Way
S. B. Bian, Y. W. Wu, Y. Xu +6
We report measurements of trigonometric parallax and proper motion for two 6.7 GHz methanol and two 22 GHz water masers located in the far portion of the Sagittarius spiral arm as…