Observed Energy Distribution: Q0923+129 log nu0 log nu1 log nu2 log nuFnu Date Aper Filter Instrument Ref (Hz) (Hz) (Hz) (Jy Hz) (") or or Detector Telescope 8.01 8.01 8.01 < 8.01 1985 Apr 24 - - - AZh26,650 9.15 9.15 9.15 < 6.45 1985 Apr 24 - - - - 9.36 9.36 9.36 < 7.06 1985 Apr 24 - - - - 9.70 9.70 9.70 < 7.70 1983 Nov 18.0 - VLA AJ098,1195 10.03 10.03 10.03 < 8.18 1985 Apr 24 - - - AAp189,7 12.48 12.40 12.56 12.56( + 0.05 - 0.06 ) 1983 300.0 IRAS4 IRAS Table11 12.70 12.57 12.87 12.46( + 0.03 - 0.03 ) 1983 300.0 IRAS3 IRAS Table11 13.08 13.00 13.20 12.51( + 0.10 - 0.13 ) 1983 300.0 IRAS2 IRAS Table11 13.17 13.07 13.26 12.54( + 0.08 - 0.10 ) 1986 Feb 1 6.0 Q IRTF Table10 13.40 13.30 13.55 12.63( + 0.09 - 0.12 ) 1983 300.0 IRAS1 IRAS Table11 13.47 13.36 13.56 12.44( + 0.06 - 0.08 ) 1985 Apr 4 6.0 N IRTF Table10 13.47 13.36 13.56 12.50( + 0.03 - 0.04 ) 1986 Feb 1 6.0 N IRTF Table10 13.90 13.86 13.94 12.30( + 0.02 - 0.02 ) 1986 Feb 4 6.0 L' IRTF Table9 13.93 13.88 14.00 12.41( + 0.02 - 0.02 ) 1985 May 4 5.0 L MMT Table9 14.13 14.11 14.19 12.46( + 0.02 - 0.02 ) 1985 May 2 5.0 K MMT Table9 14.13 14.11 14.19 12.45( + 0.02 - 0.02 ) 1985 May 4 5.0 K MMT Table9 14.13 14.11 14.19 12.47( + 0.02 - 0.02 ) 1986 Feb 4 6.0 K IRTF Table9 14.13 14.11 14.19 12.56( + 0.03 - 0.03 ) 1986 Feb 27 9.0 K MMT Table9 14.26 14.23 14.31 12.47( + 0.02 - 0.02 ) 1985 May 2 5.0 H MMT Table9 14.26 14.23 14.31 12.46( + 0.02 - 0.02 ) 1985 May 4 5.0 H MMT Table9 14.26 14.23 14.31 12.51( + 0.02 - 0.02 ) 1986 Feb 4 6.0 H IRTF Table9 14.26 14.23 14.31 12.59( + 0.03 - 0.03 ) 1986 Feb 27 9.0 H MMT Table9 14.38 14.35 14.45 12.45( + 0.02 - 0.02 ) 1985 May 2 5.0 J MMT Table9 14.38 14.35 14.45 12.46( + 0.02 - 0.02 ) 1985 May 4 5.0 J MMT Table9 14.38 14.35 14.45 12.49( + 0.02 - 0.02 ) 1986 Feb 4 6.0 J IRTF Table9 14.38 14.35 14.45 12.57( + 0.03 - 0.03 ) 1986 Feb 27 9.0 J MMT Table9 14.52 14.46 14.58 12.46( + 0.03 - 0.03 ) 1985 May 13 14.0 I MtHopk(24in) Table6 14.52 14.46 14.58 12.49( + 0.00 - 0.00 ) 1985 Apr 24 - I - SSAO51,5 14.63 14.57 14.70 12.49( + 0.03 - 0.03 ) 1985 May 13 14.0 R MtHopk(24in) Table6 14.63 14.57 14.70 12.48( + 0.00 - 0.00 ) 1985 Apr 24 - R - SSAO51,5 14.74 14.70 14.78 12.46( + 0.03 - 0.03 ) 1985 May 13 14.0 V MtHopk(24in) Table6 14.74 14.70 14.78 12.47( + 0.00 - 0.00 ) 1985 Apr 24 - V - SSAO51,5 14.83 14.78 14.89 12.38( + 0.03 - 0.03 ) 1985 May 13 14.0 B MtHopk(24in) Table6 14.83 14.78 14.89 12.35( + 0.00 - 0.00 ) 1985 Apr 24 - B - SSAO51,5 14.92 14.89 14.96 12.33( + 0.00 - 0.00 ) 1985 Apr 24 - U - SSAO51,5 15.20 15.20 15.21 12.36( + 0.02 - 0.02 ) 1985 May 1 15.0 - SWP25826 RDAF 15.22 15.21 15.22 12.36( + 0.02 - 0.02 ) 1985 May 1 15.0 - SWP25826 RDAF 15.23 15.22 15.23 12.38( + 0.02 - 0.02 ) 1985 May 1 15.0 - SWP25826 RDAF 15.24 15.23 15.25 12.42( + 0.02 - 0.02 ) 1985 May 1 15.0 - SWP25826 RDAF 15.25 15.25 15.26 12.45( + 0.02 - 0.03 ) 1985 May 1 15.0 - SWP25826 RDAF 15.30 15.29 15.30 12.40( + 0.03 - 0.03 ) 1985 May 1 15.0 - SWP25826 RDAF 15.33 15.33 15.34 12.32( + 0.03 - 0.03 ) 1985 May 1 15.0 - SWP25826 RDAF 15.35 15.34 15.36 12.35( + 0.03 - 0.03 ) 1985 May 1 15.0 - SWP25826 RDAF 17.38 16.68 17.93 11.54( + 0.07 - 0.08 ) 1979 360.0 IPC IPC Table3 17.99 17.68 18.38 11.86( + 0.00 - 0.00 ) 1985 May 9 - ME EXOSAT ApJ384,062