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Table 2

Observation log of spectra analyzed in our study.

Star Instrument (Id.) Observation texp
start date (UT) (ks)
mm-dd-yyyy

LB 1919 EUVE 04-16-1994 166
FUSE LWRS 05-03-2001 33
IUE SWP 52808 11-15-1994 4.5
Chandra LETG/HRC-S 02-02-2006 111
GD 246 EUVE 08-08-1994 14
FUSE LWRS 11-12-2000 1.5
FUSE MDRS 07-14-2001 24
HST STIS/E140H 11-20-1998 2.4
IUE SWP 40467 12-27-1990 0.33
IUE LWP 19485 12-27-1990 0.84
Chandra LETG/HRC-S 01-14-2000 40
PG 1520+525 Chandra LETG/HRC-S 04-04-2006 142

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