Observed Energy Distribution: Q0837-120 log nu0 log nu1 log nu2 log nuFnu Date Aper Filter Instrument Ref (Hz) (Hz) (Hz) (Jy Hz) (") or or Detector Telescope 8.79 8.79 8.79 < 8.63 1974 49.0 - WSRT AApS34,129 9.15 9.15 9.15 8.37( + 0.03 - 0.03 ) 1974 21.0 - WSRT AApS34,129 9.70 9.70 9.70 8.90( + 0.03 - 0.03 ) 1974 6.0 - WSRT AApS34,129 9.70 9.70 9.70 8.96( + 0.00 - 0.00 ) 1987 Jan 10 - - VLA/C ApJ325,L21 10.18 10.18 10.18 9.52( + 0.00 - 0.00 ) 1987 Jan 10 - - VLA/C ApJ325,L21 10.36 10.36 10.36 9.66( + 0.00 - 0.00 ) 1987 Jan 10 - - VLA/C ApJ325,L21 11.36 11.36 11.36 10.10( + 0.05 - 0.05 ) 1987 Jan 10 - - IRAM ApJ353,416 12.48 12.40 12.56 < 11.18 1983 300.0 IRAS4 IRAS(AO) Table11 12.70 12.57 12.87 11.54( + 0.09 - 0.11 ) 1983 300.0 IRAS3 IRAS(AO) Table11 13.08 13.00 13.20 < 11.78 1983 300.0 IRAS2 IRAS(AO) Table11 13.40 13.30 13.55 < 11.87 1983 300.0 IRAS1 IRAS(AO) Table11 13.93 13.88 14.00 11.92( + 0.04 - 0.04 ) 1988 Feb 1 5.0 L MMT Table9 14.13 14.11 14.19 11.84( + 0.02 - 0.02 ) 1988 Feb 1 5.0 K MMT Table9 14.13 14.11 14.19 11.85( + 0.00 - 0.00 ) 1981 Oct 25 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.84( + 0.04 - 0.04 ) 1982 Apr 23 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.84( + 0.03 - 0.03 ) 1982 Dec 19 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.84( + 0.00 - 0.00 ) 1983 Feb 15 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.90( + 0.01 - 0.01 ) 1984 Feb 27 12.0 K UoA1.55m/InSb ApJ296,423 14.13 14.11 14.19 11.94( + 0.01 - 0.01 ) 1985 Apr 12 12.0 K UoA1.55m/InSb Table6B 14.13 14.11 14.19 11.77( + 0.01 - 0.01 ) 1979 10.0 K AAT MN199,943 14.13 14.11 14.19 11.71( + 0.05 - 0.05 ) 1977 Feb 10.0 K Hale ApJ230,079 14.26 14.23 14.31 11.65( + 0.02 - 0.02 ) 1988 Feb 1 5.0 H MMT Table9 14.26 14.23 14.31 11.64( + 0.02 - 0.02 ) 1981 Oct 25 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.65( + 0.04 - 0.04 ) 1982 Apr 23 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.70( + 0.00 - 0.00 ) 1982 Dec 19 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.75( + 0.00 - 0.00 ) 1983 Feb 15 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.79( + 0.02 - 0.02 ) 1984 Feb 27 12.0 H UoA1.55m/InSb ApJ296,423 14.26 14.23 14.31 11.79( + 0.01 - 0.01 ) 1985 Apr 12 12.0 H UoA1.55m/InSb Table6B 14.26 14.23 14.31 11.62( + 0.02 - 0.02 ) 1979 10.0 H AAT MN199,943 14.26 14.23 14.31 11.58( + 0.05 - 0.05 ) 1977 Feb 10.0 H Hale ApJ230,079 14.38 14.35 14.45 11.67( + 0.02 - 0.02 ) 1988 Feb 1 5.0 J MMT Table9 14.38 14.35 14.45 11.61( + 0.02 - 0.02 ) 1981 Oct 25 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.77( + 0.03 - 0.03 ) 1982 Apr 23 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.77( + 0.02 - 0.02 ) 1982 Dec 19 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.76( + 0.02 - 0.02 ) 1983 Feb 15 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.82( + 0.02 - 0.02 ) 1984 Feb 27 12.0 J UoA1.55m/InSb ApJ296,423 14.38 14.35 14.45 11.81( + 0.02 - 0.02 ) 1985 Apr 12 12.0 J UoA1.55m/InSb Table6B 14.38 14.35 14.45 11.58( + 0.02 - 0.02 ) 1979 10.0 J AAT MN199,943 14.38 14.35 14.45 11.67( + 0.05 - 0.05 ) 1977 Feb 10.0 J Hale ApJ230,079 14.45 14.45 14.45 11.65( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.50 14.50 14.50 11.63( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.52 14.46 14.58 11.72( + 0.02 - 0.02 ) 1981 Oct 25 17.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.82( + 0.02 - 0.02 ) 1982 Feb 18 17.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.74( + 0.00 - 0.00 ) 1982 Apr 23 17.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.82( + 0.00 - 0.00 ) 1982 Dec 19 17.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.71( + 0.00 - 0.00 ) 1982 Feb 20 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.78( + 0.00 - 0.00 ) 1982 Dec 20 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.83( + 0.00 - 0.00 ) 1983 Feb 15 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.95( + 0.00 - 0.00 ) 1984 Feb 27 12.0 I MtLemmon1.5m/PM ApJ296,423 14.52 14.46 14.58 11.80( + 0.00 - 0.00 ) 1985 Apr 12 12.0 I MtLemmon1.5m/PM Table6B 14.52 14.46 14.58 11.66( + 0.00 - 0.00 ) 1987 Jan 24 12.0 I MtLemmon1.5m/PM Table6B 14.55 14.55 14.55 11.59( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.60 14.60 14.60 11.56( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.63 14.57 14.70 11.67( + 0.02 - 0.02 ) 1981 Oct 25 17.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.75( + 0.00 - 0.00 ) 1982 Feb 18 17.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.77( + 0.00 - 0.00 ) 1982 Apr 23 17.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.78( + 0.00 - 0.00 ) 1982 Dec 19 17.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.70( + 0.00 - 0.00 ) 1982 Feb 20 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.76( + 0.00 - 0.00 ) 1982 Dec 20 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.79( + 0.00 - 0.00 ) 1983 Feb 15 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.92( + 0.00 - 0.00 ) 1984 Feb 27 12.0 R MtLemmon1.5m/PM ApJ296,423 14.63 14.57 14.70 11.77( + 0.00 - 0.00 ) 1985 Apr 12 12.0 R MtLemmon1.5m/PM Table6B 14.63 14.57 14.70 11.51( + 0.00 - 0.00 ) 1987 Jan 24 12.0 R MtLemmon1.5m/PM Table6B 14.63 14.57 14.70 11.49( + 0.00 - 0.00 ) 1987 Jan 25 12.0 R MtLemmon1.5m/PM Table6B 14.65 14.65 14.65 11.53( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.70 14.70 14.70 11.51( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.74 14.70 14.78 11.59( + 0.08 - 0.08 ) 1977 - V LaSilla AApS31,151 14.74 14.70 14.78 11.66( + 0.00 - 0.00 ) 1981 Oct 25 17.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.74( + 0.00 - 0.00 ) 1982 Feb 18 17.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.75( + 0.00 - 0.00 ) 1982 Apr 23 17.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.83( + 0.00 - 0.00 ) 1982 Dec 19 17.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.69( + 0.00 - 0.00 ) 1982 Feb 20 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.81( + 0.00 - 0.00 ) 1982 Dec 20 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.85( + 0.00 - 0.00 ) 1983 Feb 15 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.97( + 0.00 - 0.00 ) 1984 Feb 27 12.0 V MtLemmon1.5m/PM ApJ296,423 14.74 14.70 14.78 11.80( + 0.00 - 0.00 ) 1985 Apr 12 12.0 V MtLemmon1.5m/PM Table6B 14.74 14.70 14.78 11.62( + 0.00 - 0.00 ) 1987 Jan 24 12.0 V MtLemmon1.5m/PM Table6B 14.74 14.70 14.78 11.66( + 0.00 - 0.00 ) 1987 Jan 25 12.0 V MtLemmon1.5m/PM Table6B 14.75 14.75 14.75 11.52( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.80 14.80 14.80 11.58( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.83 14.78 14.89 11.60( + 0.10 - 0.10 ) 1977 - B LaSilla AApS31,151 14.83 14.78 14.89 11.72( + 0.03 - 0.03 ) 1981 Oct 25 17.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.85( + 0.02 - 0.02 ) 1982 Feb 18 17.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.86( + 0.00 - 0.00 ) 1982 Apr 23 17.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.92( + 0.00 - 0.00 ) 1982 Dec 19 17.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.84( + 0.00 - 0.00 ) 1982 Feb 20 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.90( + 0.00 - 0.00 ) 1982 Dec 20 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.96( + 0.00 - 0.00 ) 1983 Feb 15 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 12.10( + 0.00 - 0.00 ) 1984 Feb 27 12.0 B MtLemmon1.5m/PM ApJ296,423 14.83 14.78 14.89 11.92( + 0.00 - 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0.00 ) 1984 Feb 27 12.0 U MtLemmon1.5m/PM ApJ296,423 14.92 14.89 14.96 11.99( + 0.00 - 0.00 ) 1985 Apr 12 12.0 U MtLemmon1.5m/PM Table6B 14.92 14.89 14.96 11.69( + 0.00 - 0.00 ) 1987 Jan 24 12.0 U MtLemmon1.5m/PM Table6B 14.92 14.89 14.96 11.70( + 0.00 - 0.00 ) 1987 Jan 25 12.0 U MtLemmon1.5m/PM Table6B 14.95 14.94 14.96 11.41( + 0.02 - 0.02 ) 1978 May 10.0 - Hale ApJ230,079 14.97 14.97 14.98 11.65( + 0.08 - 0.10 ) 1979 Apr 8 15.0 - LWR04214 RDAF 14.98 14.98 14.99 11.86( + 0.03 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.00 14.99 15.01 11.81( + 0.03 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.02 15.01 15.03 11.86( + 0.02 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.04 15.03 15.05 11.84( + 0.02 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.06 15.05 15.07 11.79( + 0.02 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.08 15.07 15.09 11.78( + 0.03 - 0.03 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.10 15.09 15.11 11.78( + 0.03 - 0.04 ) 1979 Apr 8 15.0 - LWR04214 RDAF 15.14 15.13 15.14 11.83( + 0.03 - 0.03 ) 1979 Apr 8 15.0 - 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