Astrometry of directly-imaged substellar companions

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Astrometry of directly-imaged substellar companions

Post by Lazarus on 8th September 2014, 1:43 pm

More constraints on the orbits of GQ Lupi and PZ Telescopii, No orbital motion is detected for DH Tauri, HD 203030 (some hints but low significance), 1RXSJ160929.1-210524 (though independently confirms the companion shares proper motion with the primary). UScoCTIO108 still does not have confirmed common proper motion.

Ginski et al. "Astrometric follow-up observations of directly imaged sub-stellar companions to young stars and brown dwarfs"
http://arxiv.org/abs/1409.1850
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