#Observations of the quasar 3C 273 extracted from "3C 273's Database" [ http://isdc.unige.ch/3c273/ ] #==================================================================== #Date [UTC format] Date [Year] Frequency [Hz] Wavelength [A] Flux [Jy] FluxError [Jy] Flag Observatory Reference Comments #----------------- ----------- -------------- -------------- --------- -------------- ---- ----------- --------- -------- 1970-04-10 1970.27242 2.998e+13 1.000e+05 5.60e-01 1.00e-01 0 Steward RL72 -- 1970-06-02 1970.41752 2.998e+13 1.000e+05 2.90e-01 1.20e-01 0 Steward RL72 -- 1970-06-03 1970.42026 2.998e+13 1.000e+05 2.30e-01 1.40e-01 0 Steward RL72 -- 1971-01-10 1971.02533 2.998e+13 1.000e+05 1.60e-01 8.00e-02 0 Steward RL72 -- 1971-01-12 1971.03080 2.998e+13 1.000e+05 3.90e-01 6.00e-02 0 Steward RL72 -- 1971-02-12 1971.11567 2.998e+13 1.000e+05 3.60e-01 5.00e-02 0 Steward RL72 -- 1971-02-14 1971.12115 2.998e+13 1.000e+05 2.40e-01 4.00e-02 0 Steward RL72 -- 1971-05-16 1971.37029 2.998e+13 1.000e+05 2.40e-01 5.00e-02 0 Steward RL72 -- 1971-07-01 1971.49624 2.998e+13 1.000e+05 3.40e-01 5.00e-02 0 Steward RL72 -- 1972-01-11 1972.02738 2.998e+13 1.000e+05 5.20e-01 6.00e-02 1 Steward RL72 Synchro.Flare 1972-02-13 1972.11773 2.998e+13 1.000e+05 5.10e-01 5.00e-02 1 Steward RL72 Synchro.Flare 1972-02-14 1972.12047 2.998e+13 1.000e+05 5.90e-01 7.00e-02 1 Steward RL72 Synchro.Flare 1972-03-21 1972.21903 2.998e+13 1.000e+05 5.80e-01 9.00e-02 1 Steward RL72 Synchro.Flare 1972-04-21 1972.30390 2.998e+13 1.000e+05 4.60e-01 6.00e-02 1 Steward RL72 Synchro.Flare 1972-04-22 1972.30664 2.998e+13 1.000e+05 3.70e-01 5.00e-02 1 Steward RL72 Synchro.Flare 1972-05-22 1972.38877 2.998e+13 1.000e+05 3.10e-01 6.00e-02 1 Steward RL72 Synchro.Flare 1974-04-12 1974.27789 2.828e+13 1.060e+05 2.68e-01 3.38e-02 0 Palomar/Hale5m NM99 FromFigure 1974-05-07 1974.34634 2.828e+13 1.060e+05 3.26e-01 5.08e-02 0 Palomar/Hale5m NM99 FromFigure 1976-03-17 1976.20808 2.828e+13 1.060e+05 3.56e-01 3.63e-02 0 Palomar/Hale5m NM99 FromFigure 1976-05-19 1976.38056 2.828e+13 1.060e+05 3.34e-01 4.55e-02 0 Palomar/Hale5m NM99 FromFigure 1976-06-13 1976.44901 2.828e+13 1.060e+05 2.92e-01 2.69e-02 0 Palomar/Hale5m NM99 FromFigure 1976-06-26 1976.48460 2.828e+13 1.060e+05 4.08e-01 3.17e-02 0 Palomar/Hale5m NM99 FromFigure 1976-12-07 1976.93361 2.828e+13 1.060e+05 3.11e-01 3.78e-02 0 Palomar/Hale5m NM99 FromFigure 1977-02-08 1977.10609 2.828e+13 1.060e+05 3.23e-01 3.93e-02 0 Palomar/Hale5m NM99 FromFigure 1977-06-01 1977.41547 2.828e+13 1.060e+05 3.54e-01 3.10e-02 0 Palomar/Hale5m NM99 FromFigure 1977-07-21 1977.55236 2.828e+13 1.060e+05 2.71e-01 4.23e-02 0 Palomar/Hale5m NM99 FromFigure 1978-03-30 1978.24230 2.828e+13 1.060e+05 2.89e-01 2.67e-02 0 Palomar/Hale5m NM99 FromFigure 1979-07-09 1979.51814 2.828e+13 1.060e+05 3.33e-01 2.26e-02 0 Palomar/Hale5m NM99 FromFigure 1981-05-19 1981.37988 2.828e+13 1.060e+05 3.14e-01 2.74e-02 0 Palomar/Hale5m NM99 FromFigure 1981-07-21 1981.55236 2.828e+13 1.060e+05 3.03e-01 2.65e-02 0 Palomar/Hale5m NM99 FromFigure 1983-01-10 1983.02533 2.998e+13 1.000e+05 2.95e-01 9.00e-03 1 IRTF/3.0m CWR85 Synchro.Flare 1983-02-03 1983.09103 2.968e+13 1.010e+05 4.99e-01 8.40e-02 1 UKIRT/3.8m RGC83 Synchro.Flare 1983-02-04 1983.09377 2.968e+13 1.010e+05 3.48e-01 4.50e-02 1 UKIRT/3.8m RGC83 Synchro.Flare 1983-03-07 1983.17864 2.968e+13 1.010e+05 5.22e-01 5.70e-02 1 UKIRT/3.8m RGC83 Synchro.Flare 1983-03-25 1983.22793 2.968e+13 1.010e+05 4.83e-01 4.80e-02 1 UKIRT/3.8m RGC83 Synchro.Flare 1983-03-31 1983.24435 2.968e+13 1.010e+05 4.80e-01 2.80e-02 1 UKIRT/3.8m RBI86 Synchro.Flare 1983-04-24 1983.31006 2.828e+13 1.060e+05 4.20e-01 3.06e-02 1 Palomar/Hale5m NM99 FromFigure/Synchro.Flare 1983-05-19 1983.37851 2.828e+13 1.060e+05 3.83e-01 3.91e-02 1 Palomar/Hale5m NM99 FromFigure/Synchro.Flare 1983 1983.49624 2.498e+13 1.200e+05 4.00e-01 1.00e-02 1 IRAS EWM94 Synchro.Flare 1983 1983.49624 2.498e+13 1.200e+05 4.94e-01 3.80e-02 1 IRAS IN88 Synchro.Flare 1983 1983.49624 2.498e+13 1.200e+05 4.17e-01 1.20e-02 1 IRAS NMS86/SPN89 Synchro.Flare 1983-07-21 1983.55099 2.828e+13 1.060e+05 4.00e-01 2.52e-02 0 Palomar/Hale5m NM99 FromFigure 1984-04 1984.28747 2.968e+13 1.010e+05 3.20e-01 4.50e-02 0 UKIRT/3.8m CTR87 -- 1984-07 1984.53662 2.968e+13 1.010e+05 3.10e-01 3.00e-02 0 UKIRT/3.8m CTR87 -- 1985-06-14 1985.45106 2.828e+13 1.060e+05 3.03e-01 2.36e-02 0 Palomar/Hale5m NM99 FromFigure 1985-11-24 1985.89733 2.828e+13 1.060e+05 2.68e-01 2.08e-02 0 Palomar/Hale5m NM99 FromFigure 1986-02-24 1986.14921 2.968e+13 1.010e+05 1.87e-01 2.30e-02 0 UKIRT/3.8m RGB86 -- 1986-03-05 1986.17385 2.828e+13 1.060e+05 3.09e-01 3.46e-02 0 Palomar/Hale5m NM99 FromFigure 1986-03-31 1986.24504 2.968e+13 1.010e+05 1.97e-01 2.00e-02 0 UKIRT/3.8m RGB86 -- 1986-03-31 1986.24504 2.894e+13 1.036e+05 7.16e-01 7.13e-02 -3 ESO LRS94 Dubious 1986-04-24 1986.31075 2.828e+13 1.060e+05 2.49e-01 1.81e-02 0 Palomar/Hale5m NM99 FromFigure 1986-08-03 1986.58727 2.828e+13 1.060e+05 2.70e-01 3.94e-02 0 Palomar/Hale5m NM99 FromFigure 1987-04-12 1987.27721 2.828e+13 1.060e+05 2.98e-01 2.60e-02 0 Palomar/Hale5m NM99 FromFigure 1988-02-23 1988.14511 2.968e+13 1.010e+05 5.63e-01 5.60e-02 1 UKIRT LRS94 Synchro.Flare 1988-04-10 1988.27379 2.968e+13 1.010e+05 3.74e-01 5.60e-02 0 UKIRT LRS94 -- 1988-04-25 1988.31485 2.968e+13 1.010e+05 3.29e-01 3.30e-02 0 UKIRT LRS94 -- 1988-04-25 1988.31485 2.968e+13 1.010e+05 3.71e-01 3.70e-02 0 UKIRT LRS94 -- 1988-05-06 1988.34497 2.828e+13 1.060e+05 3.51e-01 2.04e-02 0 Palomar/Hale5m NM99 FromFigure 1988-05-31 1988.41342 2.828e+13 1.060e+05 3.14e-01 3.05e-02 0 Palomar/Hale5m NM99 FromFigure 1988-07-08 1988.51745 2.828e+13 1.060e+05 3.51e-01 3.07e-02 0 Palomar/Hale5m NM99 FromFigure 1990-02-10 1990.11088 2.968e+13 1.010e+05 5.18e-01 1.14e-01 -1 UKIRT LRS94 Useless 1990-03-09T05:11 1990.18540 2.894e+13 1.036e+05 2.60e-01 4.69e-02 -1 ESO TPC99 Useless 1990-03-23 1990.22313 2.968e+13 1.010e+05 3.05e-01 3.00e-02 0 UKIRT LRS94 -- 1990-05-07 1990.34634 2.828e+13 1.060e+05 3.74e-01 2.72e-02 1 Palomar/Hale5m NM99 FromFigure/Synchro.Flare 1990-05-07 1990.34634 2.828e+13 1.060e+05 3.38e-01 2.13e-02 1 Palomar/Hale5m NM99 FromFigure/Synchro.Flare 1991-04-04T04:35 1991.25583 2.894e+13 1.036e+05 1.77e-01 6.85e-02 -1 ESO TPC99 Useless 1991-08-03 1991.58658 2.828e+13 1.060e+05 3.67e-01 2.31e-02 0 Palomar/Hale5m NM99 FromFigure 1993-05-07 1993.34702 2.828e+13 1.060e+05 3.70e-01 1.97e-02 0 Palomar/Hale5m NM99 FromFigure 1994-04-24 1994.31075 2.828e+13 1.060e+05 3.63e-01 2.29e-02 0 Palomar/Hale5m NM99 FromFigure 1994-12-19 1994.96509 2.828e+13 1.060e+05 3.70e-01 1.97e-02 0 Palomar/Hale5m NM99 FromFigure 1995-03-18 1995.20876 2.828e+13 1.060e+05 3.41e-01 2.48e-02 0 Palomar/Hale5m NM99 FromFigure 1995-07-09 1995.51814 2.828e+13 1.060e+05 3.34e-01 2.60e-02 0 Palomar/Hale5m NM99 FromFigure 1996-05-06 1996.34497 2.828e+13 1.060e+05 3.28e-01 2.07e-02 0 Palomar/Hale5m NM99 FromFigure 1996-07-15 1996.53662 2.096e+13 1.430e+05 2.94e-01 3.00e-02 0 ISO/ISOCAM HKM03 -- 1997-07-21 1997.55236 2.828e+13 1.060e+05 3.44e-01 2.00e-02 0 Palomar/Hale5m NM99 FromFigure 2004-06-19 2004.46543 2.324e+13 1.290e+05 2.59e-01 2.59e-02 0 ESO3.6m/TIMMI2 TCC06 -- 2004-06-19 2004.46543 2.519e+13 1.190e+05 2.72e-01 2.72e-02 0 ESO3.6m/TIMMI2 TCC06 -- 2004-06-19 2004.46543 2.883e+13 1.040e+05 2.85e-01 2.85e-02 0 ESO3.6m/TIMMI2 TCC06 -- 2004-06-19 2004.46543 3.059e+13 9.800e+04 2.25e-01 2.25e-02 0 ESO3.6m/TIMMI2 TCC06 --