#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 2.418e+17 1.240e+01 1.86e-05 8.77e-06 -2 ROCKET MBC94 Uncertain 1973-01-12 1973.03217 2.418e+17 1.240e+01 1.02e-05 2.17e-05 -2 ROCKET MBC94 Free-N_H/Uncertain 1978-12-12 1978.94593 2.418e+17 1.240e+01 1.82e-05 1.31e-06 0 HEAO2/SSS MBC94 Free-N_H 1979-06-20 1979.46612 2.418e+17 1.240e+01 1.10e-05 4.71e-07 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1979-06-22 1979.47159 2.418e+17 1.240e+01 1.03e-05 6.30e-07 0 HEAO2/SSS MBC94 Free-N_H 1979-06-23 1979.47433 2.418e+17 1.240e+01 9.14e-06 5.48e-07 0 HEAO2/SSS MBC94 Free-N_H 1979-06-24 1979.47707 2.418e+17 1.240e+01 8.95e-06 6.59e-07 0 HEAO2/SSS MBC94 Free-N_H 1980-01-01 1980.00000 2.418e+17 1.240e+01 9.41e-06 1.15e-06 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1980-12-13 1980.95003 2.418e+17 1.240e+01 2.02e-05 4.20e-07 0 HEAO2/IPC MBC94 Fixed-N_H 1983-12-17T16 1983.96076 2.418e+17 1.240e+01 2.12e-05 1.22e-06 0 EXOSAT/ME TWC90 Fixed-N_H 1984-01-05T22 1984.01346 2.418e+17 1.240e+01 1.00e-05 7.18e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-01-29T18 1984.07871 2.418e+17 1.240e+01 1.40e-05 8.74e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-05-15T23 1984.37223 2.418e+17 1.240e+01 9.34e-06 6.73e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1984-06-28T11 1984.49133 2.418e+17 1.240e+01 9.94e-06 5.18e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1985-02-01T12 1985.08830 2.418e+17 1.240e+01 9.01e-06 5.21e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1985-05-18T11 1985.37839 2.418e+17 1.240e+01 1.05e-05 6.44e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1986-01-17T18 1986.04723 2.418e+17 1.240e+01 1.38e-05 7.17e-07 0 EXOSAT/ME TWC90 Fixed-N_H 1990-06-18 1990.46133 2.418e+17 1.240e+01 1.71e-05 6.38e-07 0 ROSAT/PSPC SFC92 Fixed-N_H 1990-12-18/1990-12-21 1990.96646 2.418e+17 1.240e+01 1.19e-05 8.13e-07 0 ROSAT/PSPC SFC92 Fixed-N_H 1991-12-14/1991-12-15 1991.95209 2.418e+17 1.240e+01 1.42e-05 2.67e-07 0 ROSAT/PSPC BCS95 Fixed-N_H 1992-12-15T01 1992.95562 2.418e+17 1.240e+01 1.41e-05 3.12e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T20 1992.96601 2.418e+17 1.240e+01 1.58e-05 3.56e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T23 1992.96635 2.418e+17 1.240e+01 1.60e-05 3.05e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-20T23 1992.97182 2.418e+17 1.240e+01 1.55e-05 3.52e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-22T23 1992.97730 2.418e+17 1.240e+01 1.28e-05 2.91e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-25T00 1992.98289 2.418e+17 1.240e+01 1.21e-05 2.63e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-27T02 1992.98859 2.418e+17 1.240e+01 1.23e-05 2.67e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-29T00 1992.99384 2.418e+17 1.240e+01 1.23e-05 2.67e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-31T00 1992.99932 2.418e+17 1.240e+01 1.54e-05 3.02e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-02T03 1993.00513 2.418e+17 1.240e+01 1.34e-05 2.74e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-03T23 1993.01015 2.418e+17 1.240e+01 1.30e-05 2.46e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-05T23 1993.01563 2.418e+17 1.240e+01 1.46e-05 2.81e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-07T23 1993.02110 2.418e+17 1.240e+01 1.56e-05 2.92e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-09T23 1993.02658 2.418e+17 1.240e+01 1.76e-05 3.09e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-06-08T20 1993.43692 2.418e+17 1.240e+01 1.51e-05 7.58e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T12 1993.95619 2.418e+17 1.240e+01 1.90e-05 9.66e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T23 1993.95745 2.418e+17 1.240e+01 2.13e-05 1.07e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-16T12 1993.95893 2.418e+17 1.240e+01 2.23e-05 1.13e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-19T23 1993.96840 2.418e+17 1.240e+01 1.80e-05 9.05e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T10 1993.96966 2.418e+17 1.240e+01 1.76e-05 8.97e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T22 1993.97102 2.418e+17 1.240e+01 1.66e-05 8.46e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-23T23 1993.97935 2.418e+17 1.240e+01 1.69e-05 8.60e-07 0 ASCA/GIS CMO98 Free-N_H 1993-12-27T13 1993.98916 2.418e+17 1.240e+01 1.98e-05 1.01e-06 0 ASCA/GIS CMO98 Free-N_H 1996-07-18/1996-07-21 1996.54947 2.418e+17 1.240e+01 9.79e-06 2.19e-07 0 BeppoSAX/LECS UNPUB -- 1997-01-13T09:13 1997.03674 2.418e+17 1.240e+01 1.75e-05 2.73e-07 0 BeppoSAX/LECS UNPUB -- 1997-01-15T08:22 1997.04208 2.418e+17 1.240e+01 1.66e-05 2.58e-07 0 BeppoSAX/LECS UNPUB -- 1997-01-17T13:13 1997.04814 2.418e+17 1.240e+01 1.64e-05 2.63e-07 0 BeppoSAX/LECS UNPUB -- 1997-01-22T20:40 1997.06267 2.418e+17 1.240e+01 1.57e-05 3.17e-07 0 BeppoSAX/LECS UNPUB -- 1998-06-24/1998-06-26 1998.48108 2.418e+17 1.240e+01 1.71e-05 1.79e-07 0 BeppoSAX/LECS UNPUB -- 2000-01-09/2000-01-11 2000.02597 2.418e+17 1.240e+01 1.82e-05 1.66e-07 0 BeppoSAX/LECS UNPUB -- 2000-06-14T00:02 2000.45279 2.418e+17 1.240e+01 1.37e-05 1.28e-08 0 XMM-Newton/PN S04 -- 2000-06-13/2000-06-15 2000.45350 2.418e+17 1.240e+01 1.37e-05 1.56e-07 0 BeppoSAX/LECS UNPUB -- 2000-06-15T13:20 2000.45648 2.418e+17 1.240e+01 1.31e-05 1.80e-08 0 XMM-Newton/PN S04 -- 2000-06-15T23:54 2000.45769 2.418e+17 1.240e+01 1.27e-05 1.77e-08 0 XMM-Newton/PN S04 -- 2000-06-17T23:46 2000.46363 2.418e+17 1.240e+01 1.27e-05 1.41e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-14 2001.45059 2.418e+17 1.240e+01 1.73e-05 1.20e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-15 2001.45232 2.418e+17 1.240e+01 1.73e-05 2.42e-07 0 BeppoSAX/LECS UNPUB -- 2001-12-16T15:57 2001.95946 2.418e+17 1.240e+01 2.03e-05 5.40e-08 0 XMM-Newton/PN S04 -- 2001-12-22T00:42 2001.97415 2.418e+17 1.240e+01 1.95e-05 5.32e-08 0 XMM-Newton/PN S04 -- 2002-07-07T14:30 2002.51508 2.418e+17 1.240e+01 1.55e-05 4.78e-08 0 XMM-Newton/PN S04 -- 2002-12-17T22:30 2002.96226 2.418e+17 1.240e+01 2.21e-05 5.65e-08 0 XMM-Newton/PN S04 -- 2003-01-05T14:22 2003.01341 2.418e+17 1.240e+01 1.85e-05 4.01e-08 0 XMM-Newton/PN S04 -- 2003-01-05T17:29 2003.01371 2.418e+17 1.240e+01 1.84e-05 5.16e-08 0 XMM-Newton/PN S04 -- 2003-06-18T01:12 2003.46087 2.418e+17 1.240e+01 2.28e-05 5.52e-08 0 XMM-Newton/PN S04 -- 2003-07-07T17:45 2003.51561 2.418e+17 1.240e+01 2.17e-05 2.24e-08 0 XMM-Newton/PN S04 -- 2003-12-14T19:29 2003.95308 2.418e+17 1.240e+01 1.50e-05 3.58e-08 0 XMM-Newton/PN S04 -- 2004-06-30T13:08 2004.49736 2.418e+17 1.240e+01 1.30e-05 2.97e-08 0 XMM-Newton/PN CNC07 -- 2005-07-10T13:57 2005.52428 2.418e+17 1.240e+01 1.47e-05 2.70e-08 0 XMM-Newton/PN CNC07 -- 2005-11-15T02:33 2005.87344 2.418e+17 1.240e+01 1.89e-05 3.38e-07 0 SWIFT/XRT UNPUB -- 2005-12-13T00:26 2005.95044 2.418e+17 1.240e+01 1.85e-05 2.71e-07 0 SWIFT/XRT UNPUB -- 2005-12-15T01:11 2005.95624 2.418e+17 1.240e+01 1.60e-05 2.65e-07 0 SWIFT/XRT UNPUB -- 2005-12-17/2005-12-18 2005.96282 2.418e+17 1.240e+01 1.82e-05 3.48e-07 0 SWIFT/XRT UNPUB -- 2005-12-19T01:07 2005.96611 2.418e+17 1.240e+01 1.81e-05 3.84e-07 0 SWIFT/XRT UNPUB --