#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 #----------------- ----------- -------------- -------------- --------- -------------- ---- ----------- --------- -------- 1969-06-14 1969.45106 4.835e+17 6.200e+00 1.51e-05 7.87e-07 -2 ROCKET MBC94 Uncertain 1973-01-12 1973.03217 4.835e+17 6.200e+00 8.58e-06 4.12e-06 -2 ROCKET MBC94 Free-N_H/Uncertain 1974-10 1974.78713 4.835e+17 6.200e+00 8.17e-06 1.18e-06 0 Ariel5/C MBC94 Free-N_H 1976-06-20/1976-06-26 1976.47639 4.835e+17 6.200e+00 1.14e-05 2.52e-06 0 OSO8/A MBC94 Free-N_H 1977-12-25/1977-12-30 1977.98905 4.835e+17 6.200e+00 7.19e-06 5.69e-06 0 HEAO1/A2xe MBC94 Free-N_H 1978-06-17 1978.45859 4.835e+17 6.200e+00 8.48e-06 4.11e-06 0 HEAO1/MC1_2 MBC94 Free-N_H 1978-06-30/1978-07-05 1978.50103 4.835e+17 6.200e+00 9.96e-06 6.01e-07 0 HEAO1/A2ar MBC94 Free-N_H 1978-06-30/1978-07-05 1978.50103 4.835e+17 6.200e+00 7.98e-06 4.90e-07 0 HEAO1/A2xe MBC94 Free-N_H 1978-12-12 1978.94593 4.835e+17 6.200e+00 1.17e-05 6.15e-07 0 HEAO2/MPC MBC94 Free-N_H 1978-12-12 1978.94593 4.835e+17 6.200e+00 1.30e-05 6.55e-07 0 HEAO2/SSS MBC94 Free-N_H 1978-12-12 1978.94593 4.835e+17 6.200e+00 1.19e-05 6.26e-07 0 HEAO2/MPC MBC94 Free-N_H 1979-06-20 1979.46612 4.835e+17 6.200e+00 8.93e-06 6.61e-07 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1979-06-20 1979.46612 4.835e+17 6.200e+00 8.07e-06 1.08e-06 0 HEAO2/MPC MBC94 Fixed-N_H 1979-06-22 1979.47159 4.835e+17 6.200e+00 7.83e-06 3.93e-07 0 HEAO2/SSS MBC94 Free-N_H 1979-06-22 1979.47159 4.835e+17 6.200e+00 7.50e-06 4.06e-07 0 HEAO2/MPC MBC94 Free-N_H 1979-06-23 1979.47433 4.835e+17 6.200e+00 6.56e-06 3.59e-07 0 HEAO2/SSS MBC94 Free-N_H 1979-06-23 1979.47433 4.835e+17 6.200e+00 7.32e-06 3.86e-07 0 HEAO2/MPC MBC94 Free-N_H 1979-06-24 1979.47707 4.835e+17 6.200e+00 6.83e-06 3.43e-07 0 HEAO2/SSS MBC94 Free-N_H 1979-06-24 1979.47707 4.835e+17 6.200e+00 7.74e-06 4.48e-07 0 HEAO2/MPC MBC94 Free-N_H 1979-06-24 1979.47707 4.835e+17 6.200e+00 8.79e-06 4.77e-07 0 HEAO2/MPC MBC94 Free-N_H 1980-01-01 1980.00000 4.835e+17 6.200e+00 7.43e-06 1.05e-06 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1980-01-01 1980.00000 4.835e+17 6.200e+00 6.98e-06 4.86e-07 0 HEAO2/MPC MBC94 Fixed-N_H 1980-06-24 1980.47912 4.835e+17 6.200e+00 6.45e-06 3.50e-07 0 HEAO2/MPC MBC94 Free-N_H 1980-12-13 1980.95003 4.835e+17 6.200e+00 1.31e-05 4.88e-07 0 HEAO2/IPC MBC94 Fixed-N_H 1981-01-06 1981.01574 4.835e+17 6.200e+00 1.56e-05 8.77e-07 0 HEAO2/MPC MBC94 Free-N_H 1983-12-17T16 1983.96076 4.835e+17 6.200e+00 1.46e-05 7.47e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-01-05T22 1984.01346 4.835e+17 6.200e+00 7.38e-06 4.00e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-01-29T18 1984.07871 4.835e+17 6.200e+00 1.07e-05 5.59e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-05-15T23 1984.37223 4.835e+17 6.200e+00 6.98e-06 3.80e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-06-28T11 1984.49133 4.835e+17 6.200e+00 7.18e-06 3.61e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1985-02-01T12 1985.08830 4.835e+17 6.200e+00 6.51e-06 3.34e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1985-05-18T11 1985.37839 4.835e+17 6.200e+00 7.35e-06 3.82e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1986-01-17T18 1986.04723 4.835e+17 6.200e+00 9.61e-06 4.84e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1987-07-08T22 1987.51791 4.835e+17 6.200e+00 5.04e-06 2.57e-07 0 GINGA/LAC TWC90 Fixed-N_H 1987-12-27T12 1987.98768 4.835e+17 6.200e+00 1.15e-05 5.79e-07 0 GINGA/LAC TWC90 Fixed-N_H 1988-05-25T15 1988.39870 4.835e+17 6.200e+00 8.05e-06 4.13e-07 0 GINGA/LAC TWC90 Fixed-N_H 1988-06-04T10 1988.42551 4.835e+17 6.200e+00 8.63e-06 4.38e-07 0 GINGA/LAC TWC90 Fixed-N_H 1988-12-27T08 1988.98928 4.835e+17 6.200e+00 7.74e-06 3.94e-07 0 GINGA/LAC TWC90 Fixed-N_H 1989-12 1989.95483 4.835e+17 6.200e+00 6.25e-06 3.14e-07 0 GINGA/LAC MBC94 -- 1990-06-18 1990.46133 4.835e+17 6.200e+00 9.55e-06 5.44e-07 0 ROSAT/PSPC SFC92 Fixed-N_H 1990-12-18 1990.96235 4.835e+17 6.200e+00 7.09e-06 3.58e-07 0 GINGA/LAC MBC94/SFC92 -- 1990-12-18/1990-12-21 1990.96646 4.835e+17 6.200e+00 4.88e-06 4.55e-07 0 ROSAT/PSPC SFC92 Fixed-N_H 1991-06-12/1991-06-13 1991.44559 4.835e+17 6.200e+00 1.02e-05 1.34e-07 0 GINGA/LAC LBC95 -- 1991-12-14/1991-12-15 1991.95209 4.835e+17 6.200e+00 7.14e-06 1.72e-07 0 ROSAT/PSPC BCS95 Fixed-N_H 1992-12-15T01 1992.95562 4.835e+17 6.200e+00 5.61e-06 1.64e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T20 1992.96601 4.835e+17 6.200e+00 6.57e-06 1.93e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T23 1992.96635 4.835e+17 6.200e+00 6.67e-06 1.79e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-20T23 1992.97182 4.835e+17 6.200e+00 6.43e-06 1.90e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-22T23 1992.97730 4.835e+17 6.200e+00 5.34e-06 1.58e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-25T00 1992.98289 4.835e+17 6.200e+00 4.63e-06 1.35e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-27T02 1992.98859 4.835e+17 6.200e+00 4.70e-06 1.36e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-29T00 1992.99384 4.835e+17 6.200e+00 4.70e-06 1.36e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-31T00 1992.99932 4.835e+17 6.200e+00 6.27e-06 1.71e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-02T03 1993.00513 4.835e+17 6.200e+00 5.44e-06 1.52e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-03T23 1993.01015 4.835e+17 6.200e+00 5.27e-06 1.41e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-05T23 1993.01563 4.835e+17 6.200e+00 6.35e-06 1.70e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-07T23 1993.02110 4.835e+17 6.200e+00 6.90e-06 1.81e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-09T23 1993.02658 4.835e+17 6.200e+00 8.08e-06 2.05e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-06-08T20 1993.43692 4.835e+17 6.200e+00 9.76e-06 4.88e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T12 1993.95619 4.835e+17 6.200e+00 1.24e-05 6.19e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T23 1993.95745 4.835e+17 6.200e+00 1.41e-05 7.04e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-16T12 1993.95893 4.835e+17 6.200e+00 1.45e-05 7.26e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-19T23 1993.96840 4.835e+17 6.200e+00 1.25e-05 6.24e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T10 1993.96966 4.835e+17 6.200e+00 1.18e-05 5.90e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T22 1993.97102 4.835e+17 6.200e+00 1.10e-05 5.52e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-23T23 1993.97935 4.835e+17 6.200e+00 1.15e-05 5.73e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-27T13 1993.98916 4.835e+17 6.200e+00 1.36e-05 6.81e-07 0 ASCA/GIS CMO98 Free-N_H 1996-07-18/1996-07-21 1996.54947 4.836e+17 6.199e+00 5.58e-06 6.10e-08 0 BeppoSAX/MECS UNPUB -- 1997-01-13T09:13 1997.03674 4.836e+17 6.199e+00 9.32e-06 1.77e-07 0 BeppoSAX/MECS UNPUB -- 1997-01-15T08:22 1997.04208 4.836e+17 6.199e+00 8.97e-06 1.77e-07 0 BeppoSAX/MECS UNPUB -- 1997-01-17T13:13 1997.04814 4.836e+17 6.199e+00 8.92e-06 1.68e-07 0 BeppoSAX/MECS UNPUB -- 1997-01-22T20:40 1997.06267 4.836e+17 6.199e+00 7.96e-06 1.73e-07 0 BeppoSAX/MECS UNPUB -- 1998-06-24/1998-06-26 1998.48108 4.836e+17 6.199e+00 8.77e-06 1.23e-07 0 BeppoSAX/MECS UNPUB -- 2000-01-09/2000-01-11 2000.02597 4.836e+17 6.199e+00 9.61e-06 1.18e-07 0 BeppoSAX/MECS UNPUB -- 2000-06-14T00:02 2000.45279 4.836e+17 6.199e+00 7.33e-06 1.45e-08 0 XMM-Newton/PN S04 -- 2000-06-13/2000-06-15 2000.45350 4.836e+17 6.199e+00 7.25e-06 1.16e-07 0 BeppoSAX/MECS UNPUB -- 2000-06-15T13:20 2000.45648 4.836e+17 6.199e+00 6.92e-06 2.04e-08 0 XMM-Newton/PN S04 -- 2000-06-15T23:54 2000.45769 4.836e+17 6.199e+00 6.77e-06 2.02e-08 0 XMM-Newton/PN S04 -- 2000-06-17T23:46 2000.46363 4.836e+17 6.199e+00 6.74e-06 1.61e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-14 2001.45059 4.836e+17 6.199e+00 8.38e-06 1.25e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-15 2001.45232 4.836e+17 6.199e+00 8.48e-06 1.67e-07 0 BeppoSAX/MECS UNPUB -- 2001-12-16T15:57 2001.95946 4.836e+17 6.199e+00 1.05e-05 5.97e-08 0 XMM-Newton/PN S04 -- 2001-12-22T00:42 2001.97415 4.836e+17 6.199e+00 1.05e-05 6.08e-08 0 XMM-Newton/PN S04 -- 2002-07-07T14:30 2002.51508 4.836e+17 6.199e+00 8.03e-06 5.27e-08 0 XMM-Newton/PN S04 -- 2002-12-17T22:30 2002.96226 4.836e+17 6.199e+00 1.07e-05 5.82e-08 0 XMM-Newton/PN S04 -- 2003-01-05T14:22 2003.01341 4.836e+17 6.199e+00 8.66e-06 4.03e-08 0 XMM-Newton/PN S04 -- 2003-01-05T17:29 2003.01371 4.836e+17 6.199e+00 8.56e-06 5.11e-08 0 XMM-Newton/PN S04 -- 2003-06-18T01:12 2003.46087 4.836e+17 6.199e+00 1.13e-05 5.82e-08 0 XMM-Newton/PN S04 -- 2003-07-07T17:45 2003.51561 4.836e+17 6.199e+00 1.09e-05 2.37e-08 0 XMM-Newton/PN S04 -- 2003-12-14T19:29 2003.95308 4.836e+17 6.199e+00 7.63e-06 3.87e-08 0 XMM-Newton/PN S04 -- 2004-06-30T13:08 2004.49736 4.836e+17 6.199e+00 6.63e-06 3.23e-08 0 XMM-Newton/PN CNC07 -- 2005-07-10T13:57 2005.52428 4.836e+17 6.199e+00 7.69e-06 3.05e-08 0 XMM-Newton/PN CNC07 -- 2005-11-15T02:33 2005.87344 4.836e+17 6.199e+00 1.18e-05 4.59e-07 0 SWIFT/XRT UNPUB -- 2005-12-13T00:26 2005.95044 4.836e+17 6.199e+00 1.26e-05 3.86e-07 0 SWIFT/XRT UNPUB -- 2005-12-15T01:11 2005.95624 4.836e+17 6.199e+00 1.02e-05 3.52e-07 0 SWIFT/XRT UNPUB -- 2005-12-17/2005-12-18 2005.96282 4.836e+17 6.199e+00 1.19e-05 4.73e-07 0 SWIFT/XRT UNPUB -- 2005-12-19T01:07 2005.96611 4.836e+17 6.199e+00 1.10e-05 4.87e-07 0 SWIFT/XRT UNPUB --