Observed Energy Distribution: Q2251-178 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 6.11( + 0.00 - 0.00 ) - 0.4 - VLA AJ090,0405 12.48 12.40 12.56 < 12.37 1983 300.0 IRAS4 IRAS(AO) Table11 12.70 12.57 12.87 12.20( + 0.03 - 0.03 ) 1983 300.0 IRAS3 IRAS(AO) Table11 13.08 13.00 13.20 12.26( + 0.05 - 0.06 ) 1983 300.0 IRAS2 IRAS(AO) Table11 13.40 13.30 13.55 12.35( + 0.05 - 0.05 ) 1983 300.0 IRAS1 IRAS(AO) Table11 13.47 13.36 13.56 12.41( + 0.07 - 0.08 ) 1984 Sep 23 6.0 N IRTF Table10 13.93 13.88 14.00 12.41( + 0.04 - 0.04 ) 1984 Sep 14 5.0 L MMT Table9 14.13 14.11 14.19 12.34( + 0.02 - 0.02 ) 1984 Sep 14 5.0 K MMT Table9 14.13 14.11 14.19 12.48( + 0.01 - 0.01 ) 1978 Nov 10.0 K AAT MN199,943 14.26 14.23 14.31 12.25( + 0.02 - 0.02 ) 1984 Sep 14 5.0 H MMT Table9 14.26 14.23 14.31 12.37( + 0.01 - 0.01 ) 1978 Nov 10.0 H AAT MN199,943 14.38 14.35 14.45 12.28( + 0.02 - 0.02 ) 1984 Sep 14 5.0 J MMT Table9 14.38 14.35 14.45 12.38( + 0.02 - 0.02 ) 1978 Nov 10.0 J AAT MN199,943 14.52 14.46 14.58 12.64( + 0.02 - 0.02 ) 1979 8.0 I KPNO ApJS52,341 14.63 14.57 14.70 12.57( + 0.01 - 0.02 ) 1979 8.0 R KPNO ApJS52,341 14.74 14.70 14.78 12.53( + 0.01 - 0.01 ) 1979 8.0 V KPNO ApJS52,341 14.83 14.78 14.89 12.28( + 0.06 - 0.06 ) 1979 8.0 B KPNO ApJS52,341 14.92 14.89 14.96 12.57( + 0.06 - 0.06 ) 1979 8.0 U KPNO ApJS52,341 14.98 14.97 14.99 12.54( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 14.98 14.97 14.99 12.70( + 0.03 - 0.03 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.02 15.02 15.03 12.48( + 0.02 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.02 15.02 15.03 12.69( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.03 15.03 15.04 12.49( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.03 15.03 15.04 12.71( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.05 15.04 15.06 12.57( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.05 15.04 15.06 12.75( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.07 15.06 15.08 12.54( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.07 15.06 15.08 12.74( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.09 15.08 15.10 12.47( + 0.02 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.09 15.08 15.10 12.71( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.11 15.10 15.12 12.37( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.11 15.10 15.12 12.65( + 0.02 - 0.02 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.13 15.12 15.14 12.36( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.13 15.12 15.14 12.56( + 0.03 - 0.03 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.15 15.14 15.16 12.31( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - LWR06470 RDAF 15.15 15.14 15.16 12.58( + 0.03 - 0.03 ) 1982 Apr 21 15.0 - LWR13058 RDAF 15.19 15.18 15.19 12.43( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.19 15.18 15.19 12.64( + 0.02 - 0.03 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.19 15.18 15.19 12.42( + 0.04 - 0.05 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.20 15.19 15.21 12.42( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.20 15.19 15.21 12.67( + 0.02 - 0.02 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.20 15.19 15.21 12.50( + 0.04 - 0.04 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.21 15.21 15.22 12.43( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.21 15.21 15.22 12.69( + 0.02 - 0.02 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.21 15.21 15.22 12.54( + 0.03 - 0.03 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.22 15.22 15.23 12.56( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.22 15.22 15.23 12.77( + 0.03 - 0.03 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.22 15.22 15.23 12.44( + 0.05 - 0.06 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.24 15.23 15.24 12.66( + 0.02 - 0.02 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.24 15.23 15.24 12.91( + 0.02 - 0.02 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.24 15.23 15.24 12.72( + 0.03 - 0.04 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.28 15.27 15.29 12.62( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.28 15.27 15.29 12.79( + 0.03 - 0.03 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.28 15.27 15.29 12.68( + 0.04 - 0.05 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.32 15.31 15.33 12.53( + 0.02 - 0.03 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.32 15.31 15.33 12.72( + 0.03 - 0.03 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.32 15.31 15.33 12.55( + 0.05 - 0.05 ) 1984 Apr 29 15.0 - SWP22880 RDAF 15.33 15.33 15.34 12.53( + 0.03 - 0.03 ) 1979 Dec 24 15.0 - SWP07485 RDAF 15.33 15.33 15.34 12.76( + 0.02 - 0.03 ) 1982 Apr 20 15.0 - SWP16804 RDAF 15.33 15.33 15.34 12.69( + 0.04 - 0.04 ) 1984 Apr 29 15.0 - SWP22880 RDAF 17.38 16.68 17.93 11.90( + 0.23 - 0.22 ) 1979 May 22 360.0 IPC IPC Table3 17.99 17.68 18.16 12.19( + 0.00 - 0.00 ) 1983 2700.0 LE/ME EXOSAT MN240,833