Observed Energy Distribution: Q1545+210 log nu0 log nu1 log nu2 log nuFnu Date Aper Filter Instrument Ref (Hz) (Hz) (Hz) (Jy Hz) (") or or Detector Telescope 9.69 9.69 9.69 8.34( + 0.00 - 0.00 ) 1981 Mar 17 - - VLA MN208,813 9.70 9.70 9.70 8.18( + 0.08 - 0.10 ) 1974 6.0 - WSRT AApS34,129 9.70 9.70 9.70 < 6.70 1983 Apr 0.4 - VLA AJ89,1658 9.70 9.70 9.70 8.20( + 0.00 - 0.00 ) 1983 Nov 18.0 - VLA AJ098,1195 12.48 12.40 12.56 < 11.48 1983 300.0 IRAS4 IRAS(AO) Table11 12.70 12.57 12.87 11.60( + 0.10 - 0.12 ) 1983 300.0 IRAS3 IRAS(AO) Table11 13.08 13.00 13.20 < 11.68 1983 300.0 IRAS2 IRAS(AO) Table11 13.40 13.30 13.55 < 11.87 1983 300.0 IRAS1 IRAS(AO) Table11 13.47 13.36 13.56 11.73( + 0.18 - 0.30 ) 1985 Apr 3 6.0 N IRTF Table10 13.90 13.86 13.94 11.86( + 0.02 - 0.02 ) 1988 Apr 25 6.0 L' IRTF Table9 13.93 13.88 14.00 < 12.06 1985 May 5 5.0 L MMT Table9 14.13 14.11 14.19 11.79( + 0.02 - 0.02 ) 1985 May 5 5.0 K MMT Table9 14.13 14.11 14.19 11.74( + 0.02 - 0.02 ) 1988 Apr 25 6.0 K IRTF Table9 14.13 14.11 14.19 11.86( + 0.02 - 0.02 ) 1981 Apr 7 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.84( + 0.00 - 0.00 ) 1982 Jun 16 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.74( + 0.02 - 0.02 ) 1983 May 5 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.83( + 0.00 - 0.00 ) 1984 Feb 25 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.79( + 0.03 - 0.03 ) 1980 Jun 1 5.0 K Hale ApJS63,615 14.26 14.23 14.31 11.67( + 0.02 - 0.02 ) 1985 May 5 5.0 H MMT Table9 14.26 14.23 14.31 11.68( + 0.02 - 0.02 ) 1988 Apr 25 6.0 H IRTF Table9 14.26 14.23 14.31 11.76( + 0.00 - 0.00 ) 1981 Apr 7 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.75( + 0.00 - 0.00 ) 1982 Jun 16 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.70( + 0.00 - 0.00 ) 1983 May 5 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.71( + 0.00 - 0.00 ) 1984 Feb 25 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.73( + 0.03 - 0.03 ) 1980 Jun 1 5.0 H Hale ApJS63,615 14.38 14.35 14.45 11.68( + 0.02 - 0.02 ) 1985 May 5 5.0 J MMT Table9 14.38 14.35 14.45 11.70( + 0.02 - 0.02 ) 1988 Apr 25 6.0 J IRTF Table9 14.38 14.35 14.45 11.78( + 0.02 - 0.02 ) 1981 Apr 7 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.75( + 0.02 - 0.02 ) 1982 Jun 16 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.66( + 0.03 - 0.03 ) 1983 May 5 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.71( + 0.02 - 0.02 ) 1984 Feb 25 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.74( + 0.03 - 0.03 ) 1980 Jun 1 5.0 J Hale ApJS63,615 14.52 14.46 14.58 11.84( + 0.03 - 0.03 ) 1985 May 11 14.0 I MtHopk(24in) Table6 14.52 14.46 14.58 11.87( + 0.03 - 0.03 ) 1986 May 13 14.0 I MtHopk(24in) Table6 14.52 14.46 14.58 11.80( + 0.03 - 0.03 ) 1981 Apr 7 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.96( + 0.00 - 0.00 ) 1982 Jun 16 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.93( + 0.00 - 0.00 ) 1983 May 3 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.95( + 0.00 - 0.00 ) 1984 Feb 25 12.0 I MtLemmon1.5m/PM ApJ296,423 14.58 14.58 14.59 11.88( + 0.02 - 0.02 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.60 14.59 14.60 11.91( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.61 14.60 14.62 11.89( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.63 14.62 14.63 11.88( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.63 14.57 14.70 11.83( + 0.02 - 0.02 ) 1985 May 11 14.0 R MtHopk(24in) Table6 14.63 14.57 14.70 11.85( + 0.03 - 0.03 ) 1986 May 13 14.0 R MtHopk(24in) Table6 14.63 14.57 14.70 11.90( + 0.02 - 0.02 ) 1981 Apr 7 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.99( + 0.00 - 0.00 ) 1982 Jun 16 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.90( + 0.00 - 0.00 ) 1983 May 3 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.90( + 0.00 - 0.00 ) 1984 Feb 25 12.0 R MtLemmon1.5m/PM ApJ296,423 14.64 14.63 14.65 11.88( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.66 14.65 14.67 11.89( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.71 14.71 14.72 11.89( + 0.02 - 0.02 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.72 14.72 14.73 11.94( + 0.01 - 0.01 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.74 14.70 14.78 11.90( + 0.02 - 0.02 ) 1985 May 11 14.0 V MtHopk(24in) Table6 14.74 14.70 14.78 11.90( + 0.03 - 0.03 ) 1986 May 13 14.0 V MtHopk(24in) Table6 14.74 14.70 14.78 11.81( + 0.04 - 0.04 ) 1981 Apr 7 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 12.03( + 0.00 - 0.00 ) 1982 Jun 16 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.90( + 0.00 - 0.00 ) 1983 May 3 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.91( + 0.00 - 0.00 ) 1984 Feb 25 12.0 V MtLemmon1.5m/PM ApJ296,423 14.79 14.79 14.80 12.04( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.82 14.81 14.82 12.07( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.83 14.78 14.89 11.94( + 0.02 - 0.02 ) 1985 May 11 14.0 B MtHopk(24in) Table6 14.83 14.78 14.89 12.06( + 0.03 - 0.03 ) 1986 May 13 14.0 B MtHopk(24in) Table6 14.83 14.78 14.89 11.84( + 0.05 - 0.05 ) 1981 Apr 7 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 12.16( + 0.00 - 0.00 ) 1982 Jun 16 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 12.02( + 0.02 - 0.02 ) 1983 May 3 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 12.02( + 0.00 - 0.00 ) 1984 Feb 25 12.0 B MtLemmon1.5m/PM ApJ296,423 14.86 14.86 14.87 12.11( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.88 14.87 14.88 12.11( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.89 14.88 14.90 12.10( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.90 14.90 14.91 12.10( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.92 14.89 14.96 11.85( + 0.04 - 0.04 ) 1981 Apr 7 12.0 U MtLemmon1.5m/PM ApJ296,423 14.92 14.89 14.96 12.22( + 0.00 - 0.00 ) 1982 Jun 16 12.0 U MtLemmon1.5m/PM ApJ296,423 14.92 14.89 14.96 12.11( + 0.00 - 0.00 ) 1983 May 3 12.0 U MtLemmon1.5m/PM ApJ296,423 14.92 14.89 14.96 12.09( + 0.00 - 0.00 ) 1984 Feb 25 12.0 U MtLemmon1.5m/PM ApJ296,423 14.95 14.94 14.95 12.13( + 0.00 - 0.00 ) 1980 Jul 19 15.0 AB Hale ApJS63,615 14.98 14.97 14.99 12.31( + 0.04 - 0.04 ) 1983 Aug 27 15.0 - LWR16677 RDAF 14.98 14.97 14.99 12.13( + 0.03 - 0.04 ) 1983 Aug 25 15.0 - LWR16665 RDAF 14.99 14.99 15.00 12.00( + 0.04 - 0.04 ) 1983 Aug 27 15.0 - LWR16677 RDAF 14.99 14.99 15.00 12.04( + 0.03 - 0.03 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.01 15.00 15.02 11.98( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.01 15.00 15.02 12.04( + 0.02 - 0.02 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.03 15.02 15.04 12.04( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.03 15.02 15.04 12.03( + 0.02 - 0.02 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.05 15.04 15.06 11.96( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.05 15.04 15.06 12.03( + 0.02 - 0.02 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.07 15.06 15.08 11.88( + 0.04 - 0.04 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.07 15.06 15.08 11.98( + 0.03 - 0.03 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.11 15.11 15.12 12.06( + 0.06 - 0.07 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.11 15.11 15.12 11.95( + 0.04 - 0.04 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.13 15.12 15.13 12.23( + 0.05 - 0.06 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.13 15.12 15.13 11.96( + 0.03 - 0.04 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.14 15.13 15.14 12.05( + 0.06 - 0.07 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.14 15.13 15.14 11.91( + 0.04 - 0.05 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.15 15.14 15.16 12.08( + 0.06 - 0.06 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.15 15.14 15.16 12.03( + 0.04 - 0.04 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.16 15.16 15.17 12.22( + 0.06 - 0.07 ) 1983 Aug 27 15.0 - LWR16677 RDAF 15.16 15.16 15.17 12.04( + 0.03 - 0.04 ) 1983 Aug 25 15.0 - LWR16665 RDAF 15.21 15.20 15.21 12.13( + 0.02 - 0.02 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.21 15.20 15.21 12.01( + 0.02 - 0.03 ) 1983 Aug 24 15.0 - SWP20764 RDAF 15.24 15.24 15.25 12.05( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.24 15.24 15.25 11.98( + 0.03 - 0.04 ) 1983 Aug 24 15.0 - SWP20764 RDAF 15.26 15.25 15.27 12.13( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.26 15.25 15.27 11.89( + 0.03 - 0.03 ) 1983 Aug 24 15.0 - SWP20764 RDAF 15.32 15.31 15.33 12.10( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.32 15.31 15.33 11.92( + 0.03 - 0.03 ) 1983 Aug 24 15.0 - SWP20764 RDAF 15.34 15.33 15.35 12.07( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.34 15.33 15.35 11.94( + 0.03 - 0.03 ) 1983 Aug 24 15.0 - SWP20764 RDAF 15.39 15.37 15.40 12.11( + 0.03 - 0.03 ) 1983 Aug 27 15.0 - SWP20816 RDAF 15.39 15.37 15.40 12.01( + 0.03 - 0.03 ) 1983 Aug 24 15.0 - SWP20764 RDAF 17.38 16.68 17.93 11.42( + 0.14 - 0.13 ) 1979 Aug - IPC IPC ApJ323,343