Interferometric images of 13CO emission toward HL Tau

Steven Beckwith, Anneila Sargent
1987 Symposium - International astronomical union  
Millimeter wave interferometric images of HL Tau show a clear disk morphology with a nearly keplerian velocity curve. A few a few tenths of a solar mass are in orbit around the star.
doi:10.1017/s0074180900156013 fatcat:angg4ekrdzem5icb3dmqsjp32m