#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 1.209e+17 2.480e+01 2.28e-05 2.18e-05 -2 ROCKET MBC94 Uncertain 1973-01-12 1973.03217 1.209e+17 2.480e+01 1.21e-05 5.73e-05 -2 ROCKET MBC94 Free-N_H/Uncertain 1979-06-20 1979.46612 1.209e+17 2.480e+01 1.35e-05 5.97e-07 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1979-06-23 1979.47433 1.209e+17 2.480e+01 1.28e-05 1.30e-06 0 HEAO2/SSS MBC94 Free-N_H 1980-01-01 1980.00000 1.209e+17 2.480e+01 1.19e-05 1.45e-06 -3 HEAO2/IPC MBC94 Free-N_H/Dubious 1980-12-13 1980.95003 1.209e+17 2.480e+01 3.13e-05 5.71e-07 0 HEAO2/IPC MBC94 Fixed-N_H 1990-06-18 1990.46133 1.209e+17 2.480e+01 3.06e-05 6.23e-07 0 ROSAT/PSPC SFC92 Fixed-N_H 1990-12-18/1990-12-21 1990.96646 1.209e+17 2.480e+01 2.92e-05 1.34e-06 0 ROSAT/PSPC SFC92 Fixed-N_H 1991-12-14/1991-12-15 1991.95209 1.209e+17 2.480e+01 2.82e-05 4.26e-07 0 ROSAT/PSPC BCS95 Fixed-N_H 1992-12-15T01 1992.95562 1.209e+17 2.480e+01 3.55e-05 5.91e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T20 1992.96601 1.209e+17 2.480e+01 3.82e-05 6.63e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-18T23 1992.96635 1.209e+17 2.480e+01 3.82e-05 4.86e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-20T23 1992.97182 1.209e+17 2.480e+01 3.74e-05 6.61e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-22T23 1992.97730 1.209e+17 2.480e+01 3.06e-05 5.45e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-25T00 1992.98289 1.209e+17 2.480e+01 3.14e-05 5.03e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-27T02 1992.98859 1.209e+17 2.480e+01 3.23e-05 5.11e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-29T00 1992.99384 1.209e+17 2.480e+01 3.23e-05 5.11e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1992-12-31T00 1992.99932 1.209e+17 2.480e+01 3.80e-05 5.01e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-02T03 1993.00513 1.209e+17 2.480e+01 3.30e-05 4.80e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-03T23 1993.01015 1.209e+17 2.480e+01 3.20e-05 3.92e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-05T23 1993.01563 1.209e+17 2.480e+01 3.35e-05 4.45e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-07T23 1993.02110 1.209e+17 2.480e+01 3.54e-05 4.44e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-01-09T23 1993.02658 1.209e+17 2.480e+01 3.82e-05 4.31e-07 0 ROSAT/PSPC LMP95 Fixed-N_H 1993-06-08T20 1993.43692 1.209e+17 2.480e+01 2.34e-05 1.19e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T12 1993.95619 1.209e+17 2.480e+01 2.92e-05 1.55e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-15T23 1993.95745 1.209e+17 2.480e+01 3.23e-05 1.64e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-16T12 1993.95893 1.209e+17 2.480e+01 3.43e-05 1.82e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-19T23 1993.96840 1.209e+17 2.480e+01 2.60e-05 1.32e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T10 1993.96966 1.209e+17 2.480e+01 2.63e-05 1.40e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-20T22 1993.97102 1.209e+17 2.480e+01 2.50e-05 1.33e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-23T23 1993.97935 1.209e+17 2.480e+01 2.49e-05 1.33e-06 0 ASCA/GIS CMO98 Free-N_H 1993-12-27T13 1993.98916 1.209e+17 2.480e+01 2.88e-05 1.53e-06 0 ASCA/GIS CMO98 Free-N_H 1996-07-18/1996-07-21 1996.54947 1.209e+17 2.480e+01 1.64e-05 8.02e-07 0 BeppoSAX/LECS UNPUB -- 1997-01-13T09:13 1997.03674 1.209e+17 2.480e+01 2.95e-05 1.03e-06 0 BeppoSAX/LECS UNPUB -- 1997-01-15T08:22 1997.04208 1.209e+17 2.480e+01 2.99e-05 1.04e-06 0 BeppoSAX/LECS UNPUB -- 1997-01-17T13:13 1997.04814 1.209e+17 2.480e+01 3.11e-05 1.11e-06 0 BeppoSAX/LECS UNPUB -- 1997-01-22T20:40 1997.06267 1.209e+17 2.480e+01 2.92e-05 1.43e-06 0 BeppoSAX/LECS UNPUB -- 1998-06-24/1998-06-26 1998.48108 1.209e+17 2.480e+01 3.24e-05 7.59e-07 0 BeppoSAX/LECS UNPUB -- 2000-01-09/2000-01-11 2000.02597 1.209e+17 2.480e+01 3.61e-05 7.48e-07 0 BeppoSAX/LECS UNPUB -- 2000-06-14T00:02 2000.45279 1.209e+17 2.480e+01 2.57e-05 5.10e-08 0 XMM-Newton/PN S04 -- 2000-06-13/2000-06-15 2000.45350 1.209e+17 2.480e+01 2.61e-05 6.68e-07 0 BeppoSAX/LECS UNPUB -- 2000-06-15T13:20 2000.45648 1.209e+17 2.480e+01 2.47e-05 7.29e-08 0 XMM-Newton/PN S04 -- 2000-06-15T23:54 2000.45769 1.209e+17 2.480e+01 2.39e-05 7.10e-08 0 XMM-Newton/PN S04 -- 2000-06-17T23:46 2000.46363 1.209e+17 2.480e+01 2.38e-05 5.68e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-14 2001.45059 1.209e+17 2.480e+01 3.55e-05 5.31e-08 0 XMM-Newton/PN S04 -- 2001-06-13/2001-06-15 2001.45232 1.209e+17 2.480e+01 3.50e-05 1.13e-06 0 BeppoSAX/LECS UNPUB -- 2001-12-16T15:57 2001.95946 1.209e+17 2.480e+01 3.91e-05 2.22e-07 0 XMM-Newton/PN S04 -- 2001-12-22T00:42 2001.97415 1.209e+17 2.480e+01 3.62e-05 2.09e-07 0 XMM-Newton/PN S04 -- 2002-07-07T14:30 2002.51508 1.209e+17 2.480e+01 2.98e-05 1.96e-07 0 XMM-Newton/PN S04 -- 2002-12-17T22:30 2002.96226 1.209e+17 2.480e+01 4.55e-05 2.47e-07 0 XMM-Newton/PN S04 -- 2003-01-05T14:22 2003.01341 1.209e+17 2.480e+01 3.93e-05 1.83e-07 0 XMM-Newton/PN S04 -- 2003-01-05T17:29 2003.01371 1.209e+17 2.480e+01 3.95e-05 2.36e-07 0 XMM-Newton/PN S04 -- 2003-06-18T01:12 2003.46087 1.209e+17 2.480e+01 4.61e-05 2.38e-07 0 XMM-Newton/PN S04 -- 2003-07-07T17:45 2003.51561 1.209e+17 2.480e+01 4.36e-05 9.53e-08 0 XMM-Newton/PN S04 -- 2003-12-14T19:29 2003.95308 1.209e+17 2.480e+01 2.95e-05 1.50e-07 0 XMM-Newton/PN S04 -- 2004-06-30T13:08 2004.49736 1.209e+17 2.480e+01 2.57e-05 1.25e-07 0 XMM-Newton/PN CNC07 -- 2005-07-10T13:57 2005.52428 1.209e+17 2.480e+01 2.79e-05 1.11e-07 0 XMM-Newton/PN CNC07 -- 2005-11-15T02:33 2005.87344 1.209e+17 2.480e+01 3.02e-05 1.17e-06 0 SWIFT/XRT UNPUB -- 2005-12-13T00:26 2005.95044 1.209e+17 2.480e+01 2.73e-05 8.37e-07 0 SWIFT/XRT UNPUB -- 2005-12-15T01:11 2005.95624 1.209e+17 2.480e+01 2.52e-05 8.71e-07 0 SWIFT/XRT UNPUB -- 2005-12-17/2005-12-18 2005.96282 1.209e+17 2.480e+01 2.78e-05 1.11e-06 0 SWIFT/XRT UNPUB -- 2005-12-19T01:07 2005.96611 1.209e+17 2.480e+01 2.99e-05 1.32e-06 0 SWIFT/XRT UNPUB --