Formation of a Keplerian disk in the infalling envelope around L1527 IRS: transformation from infalling motions to Kepler motions

Nagayoshi Ohashi, Kazuya Saigo, Yusuke Aso +9

We report Atacama Large Millimeter/submillimeter Array (ALMA) cycle 0 observations of C${}^{18}$O ($J=2-1$), SO ($J_N=6_5-5_4$) and 1.3mm dust continuum toward L1527 IRS, a class 0…