Observed Energy Distribution: Q1219+755 log nu0 log nu1 log nu2 log nuFnu Date Aper Filter Instrument Ref (Hz) (Hz) (Hz) (Jy Hz) (") or or Detector Telescope 9.70 9.70 9.70 6.78( + 0.03 - 0.04 ) 1986 10.0 - VLA Table12 10.95 10.95 10.95 < 9.80 1980 Mar 30 - - NRAO AJ087,0595 10.95 10.95 10.95 < 10.28 1980 Nov 10 - - NRAO AJ087,0595 11.48 11.30 11.70 < 11.43 1978 Oct 15 55.0 - Hale ApJ262,460 12.48 12.40 12.56 < 12.81 1983 300.0 IRAS4 IRAS(AO) Table11 12.70 12.57 12.87 < 12.23 1983 300.0 IRAS3 IRAS(AO) Table11 13.08 13.00 13.20 < 11.98 1983 300.0 IRAS2 IRAS(AO) Table11 13.40 13.30 13.55 < 12.30 1983 300.0 IRAS1 IRAS(AO) Table11 13.47 13.36 13.56 12.24( + 0.10 - 0.10 ) 1976 Jun 10.0 N Hale ApJ230,079 13.47 13.36 13.56 < 11.95 1977 5.0 N UoA61/90 ApJ226,550 13.93 13.88 14.00 12.26( + 0.04 - 0.04 ) 1985 Jun 1 9.0 L MMT Table9 13.93 13.88 14.00 12.23( + 0.07 - 0.07 ) 1976 Jun 10.0 L Hale ApJ230,079 13.93 13.88 14.00 12.05( + 0.03 - 0.03 ) 1977 5.0 L UoA61/90 ApJ226,550 14.13 14.11 14.19 12.35( + 0.02 - 0.02 ) 1985 Jun 1 9.0 K MMT Table9 14.13 14.11 14.19 12.35( + 0.03 - 0.03 ) 1986 Feb 27 9.0 K MMT Table9 14.13 14.11 14.19 12.31( + 0.02 - 0.02 ) 1976 Jun 10.0 K Hale ApJ230,079 14.13 14.11 14.19 12.25( + 0.03 - 0.03 ) 1977 5.0 K UoA61/90 ApJ226,550 14.26 14.23 14.31 12.32( + 0.02 - 0.02 ) 1985 Jun 1 9.0 H MMT Table9 14.26 14.23 14.31 12.32( + 0.03 - 0.03 ) 1986 Feb 27 9.0 H MMT Table9 14.26 14.23 14.31 12.30( + 0.03 - 0.03 ) 1976 Jun 10.0 H Hale ApJ230,079 14.26 14.23 14.31 12.28( + 0.04 - 0.04 ) 1977 5.0 H UoA61/90 ApJ226,550 14.38 14.35 14.45 12.33( + 0.02 - 0.02 ) 1985 Jun 1 9.0 J MMT Table9 14.38 14.35 14.45 12.30( + 0.03 - 0.03 ) 1986 Feb 27 9.0 J MMT Table9 14.38 14.35 14.45 12.29( + 0.03 - 0.03 ) 1976 Jun 10.0 J Hale ApJ230,079 14.38 14.35 14.45 12.27( + 0.04 - 0.05 ) 1977 5.0 J UoA61/90 ApJ226,550 14.45 14.45 14.45 12.27( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.50 14.50 14.50 12.24( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.52 14.46 14.58 12.32( + 0.03 - 0.03 ) 1985 May 11 14.0 I MtHopk(24in) Table6 14.52 14.46 14.58 12.26( + 0.03 - 0.03 ) 1986 May 13 14.0 I MtHopk(24in) Table6 14.55 14.55 14.55 12.21( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.60 14.60 14.60 12.18( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.63 14.57 14.70 12.38( + 0.02 - 0.02 ) 1985 May 11 14.0 R MtHopk(24in) Table6 14.63 14.57 14.70 12.31( + 0.03 - 0.03 ) 1986 May 13 14.0 R MtHopk(24in) Table6 14.65 14.65 14.65 12.16( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.70 14.70 14.70 12.14( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.74 14.70 14.78 12.37( + 0.02 - 0.02 ) 1985 May 11 14.0 V MtHopk(24in) Table6 14.74 14.70 14.78 12.29( + 0.03 - 0.03 ) 1986 May 13 14.0 V MtHopk(24in) Table6 14.75 14.75 14.75 12.15( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.80 14.80 14.80 12.17( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.83 14.78 14.89 12.36( + 0.02 - 0.02 ) 1985 May 11 14.0 B MtHopk(24in) Table6 14.83 14.78 14.89 12.25( + 0.03 - 0.03 ) 1986 May 13 14.0 B MtHopk(24in) Table6 14.85 14.85 14.85 12.19( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.90 14.90 14.90 12.28( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.95 14.94 14.96 12.33( + 0.02 - 0.02 ) 1972 May 10.0 - Hale ApJ230,079 14.98 14.97 14.99 11.98( + 0.05 - 0.05 ) 1978 Jul 3 15.0 - LWR01773 RDAF 14.98 14.97 14.99 12.39( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.02 15.02 15.02 11.97( + 0.03 - 0.03 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.02 15.02 15.02 12.37( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.03 15.02 15.04 12.04( + 0.02 - 0.02 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.03 15.02 15.04 12.38( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.05 15.04 15.06 12.06( + 0.02 - 0.02 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.05 15.04 15.06 12.39( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.07 15.06 15.08 11.98( + 0.02 - 0.03 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.07 15.06 15.08 12.33( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.09 15.08 15.10 12.00( + 0.03 - 0.03 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.09 15.08 15.10 12.31( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.11 15.10 15.12 11.78( + 0.03 - 0.03 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.11 15.10 15.12 12.23( + 0.02 - 0.02 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.13 15.12 15.14 11.83( + 0.04 - 0.04 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.13 15.12 15.14 12.24( + 0.02 - 0.03 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.15 15.14 15.16 11.76( + 0.04 - 0.04 ) 1978 Jul 3 15.0 - LWR01773 RDAF 15.15 15.14 15.16 12.28( + 0.03 - 0.03 ) 1983 Feb 14 15.0 - LWP01799 RDAF 15.19 15.18 15.19 12.00( + 0.03 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.19 15.18 15.19 12.18( + 0.02 - 0.03 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.20 15.19 15.20 12.00( + 0.03 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.20 15.19 15.20 12.23( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.21 15.20 15.22 12.02( + 0.03 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.21 15.20 15.22 12.26( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.22 15.22 15.23 12.13( + 0.02 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.22 15.22 15.23 12.25( + 0.03 - 0.03 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.24 15.23 15.24 12.19( + 0.02 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.24 15.23 15.24 12.36( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.28 15.27 15.29 12.01( + 0.03 - 0.04 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.28 15.27 15.29 12.29( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.32 15.31 15.33 12.03( + 0.03 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.32 15.31 15.33 12.25( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 15.33 15.33 15.34 12.03( + 0.03 - 0.03 ) 1978 Jul 1 15.0 - SWP01894 RDAF 15.33 15.33 15.34 12.27( + 0.02 - 0.02 ) 1983 Feb 12 15.0 - SWP19238 RDAF 16.68 16.56 16.86 11.91( + 0.06 - 0.07 ) 1980 Apr 20 360.0 XS IPC5424 AAp253,035 17.38 16.59 18.38 11.73( + 0.02 - 0.02 ) 1980 Apr 20 360.0 IPC/MPC IPC5424 AAp253,035 17.99 17.68 18.38 11.64( + 0.00 - 0.00 ) 1984 Jan 27 - ME EXOSAT ApJ384,062 17.99 17.68 18.38 11.74( + 0.00 - 0.00 ) 1988 Jan 16 3600.0 LAC GINGA-LAC ApJ389,157