;
; mean IS extinction from Savage and Mathis 1979
; x(um-1)  A_lambda/E(B-V) 
; 
 0.00	 0.00
 0.29	 0.16
 0.45	 0.38
 0.80	 0.87	
 1.11	 1.50
 1.43	 2.32
 1.82	 3.10
 2.27	 4.10
 2.50	 4.40
 2.91	 4.90
 3.65	 6.20
 4.00	 7.29
 4.17	 8.00
 4.35	 8.87
 4.57	 9.67
 4.76	 9.33
 5.00	 8.62
 5.26	 8.00
 5.56	 7.75
 5.88	 7.87
 6.25	 8.12
 6.71	 8.15
 7.18	 8.49
 8.00 	 9.65
 8.50	10.55
 9.00	11.55
 9.5	12.90
10.00	14.40