Compressive Effects on the Galactic Globular Clusters by Gravitational Disk-Shocking

Masaaki Shimada
<span title="">1999</span> <i title="Cambridge University Press (CUP)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/lxetaglz6zdw5doila4t3zfp6m" style="color: black;">Symposium - International astronomical union</a> </i> &nbsp;
What is our problem?Observed figures of the Galactic globular clusters are somewhat elliptic in many cases. For not a few clusters (e.g. 23 of 72), the observed ellipticities (Shawl &amp; White 1987) are ≥ 0.1 within ~ 2rh. By a series of numerical experiments, we study whether or not tidal force from the Galactic disk can produce the observed ellipticities in such an inner region (Shimada 1996)
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