平成31(2019)年度談話会 の履歴(No.3)

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No. 345: 1 April, 2019 (Mon.) 15:30 - 16:30†

Speaker: Prof. J. Xavier Prochaska (UCO/Lick Observatory)†

Title: The Wolfe Disk: ALMA Discoveries of Distant, HI-selected Galaxies†

Abstract: I will review our series of successful programs to dissect the interstellar medium of distant, star-forming galaxies with the Atacama Large Millimeter Array (ALMA). In particular, I will discuss surveys of the set of HI-selected galaxies known as the damped Lya systems (DLAs). We resolve, in part, a decades old struggle to identify the galactic counterparts of these DLAs and thereby place them firmly in the modern picture of galaxy formation. I will also highlight high spectral and spatial resolution observations of the Wolfe Disk, a z~4 galaxy with a Milky Way-like rotation curve.