Observed Energy Distribution: Q0049+171 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 6.52( + 0.04 - 0.05 ) 1983 Nov 18.0 - VLA AJ098,1195 12.48 12.40 12.56 < 12.14 1983 300.0 IRAS4 IRAS Table11 12.48 12.40 12.56 < 12.06 1983 300.0 IRAS4 IRAS ApJ347,029 12.70 12.57 12.87 < 11.84 1983 300.0 IRAS3 IRAS Table11 12.70 12.57 12.87 < 11.89 1983 300.0 IRAS3 IRAS ApJ347,029 13.08 13.00 13.20 < 12.16 1983 300.0 IRAS2 IRAS Table11 13.08 13.00 13.20 < 12.20 1983 300.0 IRAS2 IRAS ApJ347,029 13.40 13.30 13.55 < 12.57 1983 300.0 IRAS1 IRAS Table11 13.40 13.30 13.55 < 12.44 1983 300.0 IRAS1 IRAS ApJ347,029 13.90 13.86 13.94 11.46( + 0.07 - 0.08 ) 1987 Sep 3 5.0 L' Hale ApJ347,029 14.13 14.11 14.19 11.76( + 0.02 - 0.02 ) 1984 Sep 14 5.0 K MMT Table9 14.13 14.11 14.19 11.41( + 0.02 - 0.02 ) 1986 Sep 15 12.0 K UoA1.55m/InSb Table6B 14.13 14.11 14.19 11.66( + 0.02 - 0.02 ) 1986 Sep 27 12.0 K UoA1.55m/InSb Table6B 14.13 14.11 14.19 11.86( + 0.02 - 0.02 ) 1980 Jul 3 5.0 K Hale ApJS63,615 14.26 14.23 14.31 11.69( + 0.02 - 0.02 ) 1984 Sep 14 5.0 H MMT Table9 14.26 14.23 14.31 11.51( + 0.02 - 0.02 ) 1986 Sep 15 12.0 H UoA1.55m/InSb Table6B 14.26 14.23 14.31 11.55( + 0.02 - 0.02 ) 1986 Sep 27 12.0 H UoA1.55m/InSb Table6B 14.26 14.23 14.31 11.82( + 0.04 - 0.04 ) 1980 Jul 3 5.0 H Hale ApJS63,615 14.38 14.35 14.45 11.71( + 0.02 - 0.02 ) 1984 Sep 14 5.0 J MMT Table9 14.38 14.35 14.45 11.56( + 0.04 - 0.04 ) 1986 Sep 15 12.0 J UoA1.55m/InSb Table6B 14.38 14.35 14.45 11.63( + 0.04 - 0.04 ) 1986 Sep 27 12.0 J UoA1.55m/InSb Table6B 14.38 14.35 14.45 11.82( + 0.07 - 0.07 ) 1980 Jul 3 5.0 J Hale ApJS63,615 14.52 14.46 14.58 11.70( + 0.00 - 0.00 ) 1987 Jan 25 12.0 I MtLemmon1.5m/PM Table6B 14.56 14.55 14.56 11.84( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.57 14.56 14.57 11.81( + 0.00 - 0.00 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.58 14.57 14.59 11.81( + 0.04 - 0.04 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.59 14.59 14.60 11.85( + 0.02 - 0.02 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.61 14.60 14.61 11.83( + 0.00 - 0.00 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.63 14.57 14.70 11.81( + 0.00 - 0.00 ) 1987 Jan 25 12.0 R MtLemmon1.5m/PM Table6B 14.66 14.65 14.66 11.79( + 0.00 - 0.00 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.67 14.66 14.68 11.78( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.70 14.69 14.71 11.71( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.72 14.71 14.73 11.75( + 0.05 - 0.05 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.73 14.73 14.74 11.76( + 0.00 - 0.00 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.74 14.70 14.78 11.68( + 0.00 - 0.00 ) 1987 Jan 25 12.0 V MtLemmon1.5m/PM Table6B 14.79 14.78 14.79 11.77( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.80 14.79 14.80 11.78( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.83 14.78 14.89 11.64( + 0.00 - 0.00 ) 1987 Jan 25 12.0 B MtLemmon1.5m/PM Table6B 14.87 14.86 14.88 11.88( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.89 14.89 14.90 11.95( + 0.00 - 0.00 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.92 14.89 14.96 11.70( + 0.00 - 0.00 ) 1987 Jan 25 12.0 U MtLemmon1.5m/PM Table6B 14.94 14.93 14.94 11.96( + 0.01 - 0.01 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.95 14.94 14.96 11.94( + 0.02 - 0.02 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.97 14.96 14.97 12.13( + 0.03 - 0.03 ) 1985 Aug 1 15.0 - LWP06541 RDAF 14.97 14.96 14.97 11.86( + 0.05 - 0.05 ) 1980 Nov 14 15.0 AB Hale ApJS63,615 14.98 14.97 14.99 12.04( + 0.03 - 0.03 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.02 15.02 15.03 12.00( + 0.02 - 0.02 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.04 15.03 15.04 12.06( + 0.02 - 0.02 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.05 15.04 15.06 12.03( + 0.02 - 0.02 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.07 15.06 15.08 12.01( + 0.02 - 0.02 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.09 15.08 15.10 11.92( + 0.03 - 0.03 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.11 15.10 15.12 11.85( + 0.03 - 0.04 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.13 15.12 15.14 11.91( + 0.03 - 0.04 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.15 15.14 15.16 11.92( + 0.05 - 0.05 ) 1985 Aug 1 15.0 - LWP06541 RDAF 15.19 15.18 15.19 11.86( + 0.04 - 0.04 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.20 15.19 15.21 11.89( + 0.02 - 0.02 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.21 15.21 15.22 11.91( + 0.02 - 0.02 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.23 15.22 15.23 12.00( + 0.03 - 0.03 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.24 15.23 15.25 12.07( + 0.02 - 0.03 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.28 15.27 15.29 11.91( + 0.03 - 0.03 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.32 15.31 15.33 11.89( + 0.03 - 0.03 ) 1985 Jul 31 15.0 - SWP26506 RDAF 15.34 15.33 15.34 11.94( + 0.03 - 0.03 ) 1985 Jul 31 15.0 - SWP26506 RDAF 17.38 16.68 17.93 11.79( + 0.52 - 0.13 ) 1980 Jul 22 360.0 IPC IPC Table3 17.99 17.68 18.38 11.74( + 0.00 - 0.00 ) 1985 Nov 30 - ME EXOSAT ApJ384,062