# Age of first spectrum for supernovae with unknown date of maximum # [see also snid-5.0/doc/age.info] # #SN tfirst (UT) sn1988L 1988-05-11 sn1990K 1990-05-30 sn1990aa 1990-09-27 sn1991A 1991-01-06 sn1991N 1991-04-07 sn1991ar 1991-09-16 sn1995F 1995-02-24 sn1997cy 1997-07-23 sn1997dc 1997-09-06 sn1997dd 1997-09-06 sn1997dq 1997-11-07 sn1997ei 1998-01-17 sn1998T 1998-03-06 sn1999di 1999-08-17 sn1999dn 1999-09-10 sn2004dj 2004-08-17