Title: arXiv:astro-ph/9812144v1 8 Dec 1998 Creator: dvips(k) 5.86 Copyright 1999 Radical Eye Software Producer: GPL Ghostscript GIT PRERELEASE 9.22 CreationDate: Fri Jul 30 19:52:44 2021 ModDate: Fri Jul 30 19:52:44 2021 Tagged: no Form: none Pages: 8 Encrypted: no Page size: 612 x 792 pts (letter) (rotated 0 degrees) File size: 133367 bytes Optimized: no PDF version: 1.4