#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
#-----------------	-----------	--------------	--------------	---------	--------------	----	-----------	---------	--------
 1971-05-20		1971.38125	1.428e+13	2.100e+05	5.00e-01	2.00e-01	0	Steward		RL72		--
 1972-02-15		1972.12320	1.428e+13	2.100e+05	1.30e+00	4.00e-01	1	Steward		RL72		Synchro.Flare
 1983-02-03		1983.09103	1.499e+13	2.000e+05	9.63e-01	1.62e-01	1	UKIRT/3.8m	RGC83		Synchro.Flare
 1983-02-04		1983.09377	1.499e+13	2.000e+05	9.42e-01	1.25e-01	1	UKIRT/3.8m	RGC83		Synchro.Flare
 1983-03-07		1983.17864	1.499e+13	2.000e+05	1.10e+00	1.14e-01	1	UKIRT/3.8m	RGC83		Synchro.Flare
 1983-03-25		1983.22793	1.499e+13	2.000e+05	8.17e-01	8.20e-02	1	UKIRT/3.8m	RGC83		Synchro.Flare
 1983-03-31		1983.24435	1.499e+13	2.000e+05	1.40e+00	1.00e-01	1	UKIRT/3.8m	RBI86		Synchro.Flare
 1983			1983.49624	1.199e+13	2.500e+05	9.41e-01	2.70e-02	1	IRAS		NMS86/SPN89	Synchro.Flare
 1983			1983.49624	1.199e+13	2.500e+05	8.93e-01	5.70e-02	1	IRAS		IN88		Synchro.Flare
 1983			1983.49624	1.199e+13	2.500e+05	9.50e-01	3.00e-02	1	IRAS		EWM94		Synchro.Flare
 1984-04		1984.28747	1.499e+13	2.000e+05	6.50e-01	8.00e-02	0	UKIRT/3.8m	CTR87		--
 1986-02-24		1986.14921	1.499e+13	2.000e+05	5.40e-01	1.00e-01	0	UKIRT/3.8m	RGB86		--
 1986-03-06		1986.17659	1.499e+13	2.000e+05	3.25e-01	3.00e-02	0	UKIRT/3.8m	RGB86		--
 1988-02-23		1988.14511	1.499e+13	2.000e+05	8.00e-01	8.00e-02	1	UKIRT		LRS94		Synchro.Flare
 1988-04-25		1988.31485	1.499e+13	2.000e+05	6.47e-01	6.50e-02	0	UKIRT		LRS94		--
 1990-03-09T05:11	1990.18540	1.661e+13	1.805e+05	6.63e-01	3.03e-01	-1	ESO		TPC99		Useless
 1990-03-23		1990.22313	1.499e+13	2.000e+05	4.95e-01	6.00e-02	0	UKIRT		LRS94		--
 2004-06-30		2004.49555	1.595e+13	1.880e+05	3.14e-01	3.14e-02	0	ESO3.6m/TIMMI2	TCC06		--