VLBI Astrometry of radio stars to link radio and optical celestial reference frames. I. HD 199178 & AR Lacertae
Sign Up to like & getrecommendations! Published in 2023 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stad1214
Abstract: To accurately link the radio and optical Celestial Reference Frames (CRFs) at optical bright end, i.e., with Gaia G band magnitude $\lesssim $13, increasing number and improving sky distribution of radio stars with accurate astrometric… read more here.
Keywords: radio stars; vlbi; radio optical; link radio ... See more keywords
Radio and optical intra-day variability observations of five blazars
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DOI: 10.1093/mnras/stx1062
Abstract: We carried out a pilot campaign of radio and optical band intra-day variability (IDV) observations of five blazars (3C66A, S5 0716+714, OJ287, B0925+504 and BL Lacertae) on 2015 December 18-21 by using the radio telescope… read more here.
Keywords: optical band; radio; variability; radio optical ... See more keywords
Upward propagation of gigantic jets revealed by 3D radio and optical mapping
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DOI: 10.1126/sciadv.abl8731
Abstract: Occasionally, lightning will exit the top of a thunderstorm and connect to the lower edge of space, forming a gigantic jet. Here, we report on observations of a negative gigantic jet that transferred an extraordinary… read more here.
Keywords: jets revealed; cloud top; gigantic jets; radio optical ... See more keywords