Radioastronomy station Simeiz of laboratory of radioastronomy
of Crimean astrophysical observatory

Observations

Since many compact sources have varying flux, it is important to monitor their correlated flux density in order to schedule geodetic VLBI sessions successfully. For the majority of the sources there is a strong correlation between variation of the total and correlated flux density, therefore single dish measurements can be used to predict correlated flux changes. Accompanied with estimates of the correlated flux density derived from analysis of geodetic VLBI observations and with maps produced on the basis of analysis of RDV experiments, these time series will provide important information for understanding physical properties of active galactic nuclei. The Crimean Astrophysical Observatory initiated the monitoring of the total flux density of the sources used for geodetic VLBI programs. Our goal is to provide regular single dish flux density measurements at 2.3, 5, and 8.4 GHz of 104 out of 114 sources from the "geodetic list--2003" visible at the Simeiz radio telescope. These sources are scheduled in more than 85% of all geodetic VLBI observations. Each source is observed at least once per month, although many strong sources from this list are scheduled more frequently.

The first campaign was successfully carried out at the Simeiz radio telescope at 2.3, 5, and 8 GHz during the period of time from 28 November 2003 till 11 December 2003.

 

IVS name	IAU name	S8 GHz, Jy	S5 GHz, Jy	S2.3 GHz, Jy
0003-066	0003-066	3.94 ± 0.17	3.05 ± 0.08	2.63 ± 0.17
0048-097	0048-097	0.91 ± 0.19	0.86 ± 0.07	0.76 ± 0.12
0059+581	0059+581	3.80 ± 0.25	3.82 ± 0.05	3.13 ± 0.20
0106+013	0106+013	2.90 ± 0.23	3.44 ± 0.08	3.46 ± 0.23
0111+021	0111+021	0.61 ± 0.11	0.59 ± 0.05	0.53 ± 0.10
0119+041	0119+041	1.01 ± 0.12	0.96 ± 0.08	1.06 ± 0.30
0119+115	0119+115	1.70 ± 0.43	1.59 ± 0.04	1.06 ± 0.16
0201+113	0201+113	0.78 ± 0.21	0.97 ± 0.04	1.03 ± 0.16
0202+149	0202+149	2.00 ± 0.24	2.15 ± 0.08	4.07 ± 0.20
0229+131	0229+131	1.69 ± 0.19	2.04 ± 0.04	1.63 ± 0.19
0235+164	0235+164	1.29 ± 0.13	1.60 ± 0.04	1.85 ± 0.09
3C 84	0316+413	17.96 ± 0.15	18.17 ± 0.19	22.82 ± 0.44
CTA 26	0336-019	2.60 ± 0.19	2.82 ± 0.09	2.89 ± 0.21
NRAO 150	0355+508	5.90 ± 0.29	3.74 ± 0.09	2.77 ± 0.12
0434-188	0434-188	0.84 ± 0.13	0.99 ± 0.05	1.10 ± 0.20
0454-234	0454-234	3.58 ± 0.21	3.60 ± 0.08	2.67 ± 0.19
0458-020	0458-020	1.17 ± 0.15	1.21 ± 0.05	1.17 ± 0.20
0528+134	0528+134	2.86 ± 0.22	2.70 ± 0.08	2.32 ± 0.27
0552+398	0552+398	4.93 ± 0.27	4.99 ± 0.06	3.00 ± 0.16
0556+238	0556+238	0.60 ± 0.16	0.69 ± 0.07	0.98 ± 0.16
0607-157	0607-157	4.65 ± 0.24	4.09 ± 0.08	2.64 ± 0.33
0642+449	0642+449	4.23 ± 0.23	3.00 ± 0.07	0.99 ± 0.18
0656+082	0656+082	0.53 ± 0.12	0.62 ± 0.09	0.80 ± 0.16
0727-115	0727-115	5.10 ± 0.26	4.50 ± 0.10	3.50 ± 0.32
0743+259	0743+259	0.48 ± 0.08	0.69 ± 0.09	1.01 ± 0.28
0804+499	0804+499	0.65 ± 0.13	0.70 ± 0.06	0.79 ± 0.14
0805+410	0805+410	0.80 ± 0.09	0.61 ± 0.06	0.70 ± 0.09
0808+019	0808+019	0.74 ± 0.10	0.68 ± 0.06	0.69 ± 0.09
0823+033	0823+033	1.31 ± 0.29	1.19 ± 0.07	1.00 ± 0.15
OJ 287	0851+202	2.60 ± 0.19	2.04 ± 0.09	1.54 ± 0.27
4C 39.25	0923+392	10.41 ±0.39	9.07 ± 0.10	5.08 ± 0.29
OK 290	0953+254	0.86 ± 0.21	0.94 ± 0.09	1.00 ± 0.26
0955+476	0955+476	1.87 ± 0.12	1.70 ± 0.06	1.10 ± 0.12
1034-293	1034-293	1.14 ± 0.26	1.00 ± 0.05	0.67 ± 0.21
1101+384	1101+384	0.55 ± 0.15	0.52 ± 0.04	0.84 ± 0.22
1124-186	1124-186	1.64 ± 0.26	1.42 ± 0.07	1.07 ± 0.20
1128+385	1128+385	1.40 ± 0.14	1.20 ± 0.05	0.60 ± 0.43
1156+295	1156+295	1.90 ± 0.13	1.90 ± 0.06	1.85 ± 0.24
1219+044	1219+044	0.69 ± 0.12	0.77 ± 0.07	0.67 ± 0.14
3C 273B	1226+023	29.80 ± 0.73	37.01 ± 0.21	50.98 ± 0.90
1300+580	1300+580	0.78 ± 0.12	0.85 ± 0.07	0.54 ± 0.10
1302-102	1302-102	0.50 ± 0.12	0.70 ± 0.07	1.00 ± 0.24
1308+326	1308+326	2.40 ± 0.22	2.00 ± 0.10	1.09 ± 0.15
1334-127	1334-127	3.80 ± 0.22	3.70 ± 0.22	2.85 ± 0.22
1351-018	1351-018	0.78 ± 0.17	0.90 ± 0.07	0.98 ± 0.17
OQ 208	1404+286	2.14 ± 0.24	2.21 ± 0.29	1.66 ± 0.12
1418+546	1418+546	1.01 ± 0.18	1.02 ± 0.17	0.83 ± 0.18
1519-273	1519-273	2.51 ± 0.23	2.09 ± 0.21	1.56 ± 0.14
1606+106	1606+106	1.97 ± 0.29	2.40 ± 0.15	2.59 ± 0.18
1611+343	1611+343	5.31 ± 0.23	4.57 ± 0.11	4.39 ± 0.15
1622-253	1622-253	4.57 ± 0.27	4.20 ± 0.08	2.51 ± 0.14
NRAO 512	1638+398	1.09 ± 0.19	1.21 ± 0.07	1.32 ± 0.35
3C 345	1641+399	7.58 ± 0.25	8.19 ± 0.37	9.04 ± 0.20
DA 426	1652+398	1.65 ± 0.15	1.68 ± 0.12	1.39 ± 0.15
1726+455	1726+455	1.22 ± 0.19	1.10 ± 0.09	1.08 ± 0.19
1739+522	1739+522	1.29 ± 0.11	1.23 ± 0.07	1.09 ± 0.13
1741-038	1741-038	6.21 ± 0.25	5.32 ± 0.17	4.30 ± 0.25
1745+624	1745+624	0.73 ± 0.09	0.67 ± 0.07	0.56 ± 0.10
1749+096	1749+096	2.60 ± 0.28	1.76 ± 0.08	1.22 ± 0.23
1908-201	1908-201	2.35 ± 0.29	2.35 ± 0.07	2.13 ± 0.18
1920-211	1920-211	2.43 ± 0.28	2.60 ± 0.20	3.09 ± 0.27
1921-293	1921-293	11.32 ± 0.55	10.04 ± 0.23	9.50 ± 0.46
1923+210	1923+210	2.40 ± 0.15	1.82 ± 0.10	1.41 ± 0.17
1958-179	1958-179	2.69 ± 0.24	2.24 ± 0.11	1.32 ± 0.14
2113+293	2113+293	0.59 ± 0.14	0.49 ± 0.10	0.50 ± 0.24
2121+053	2121+053	2.53 ± 0.18	2.47 ± 0.07	2.01 ± 0.20
2126-158	2126-158	1.31 ± 0.15	1.31 ± 0.04	0.92 ± 0.22
2128-123	2128-123	4.35 ± 0.23	4.02 ± 0.14	2.88 ± 0.29
2134+00	2134+000	8.49 ± 0.31	10.01 ± 0.08	7.08 ± 0.29
2136+141	2136+141	2.76 ± 0.19	2.43 ± 0.06	1.57 ± 0.20
2145+067	2145+067	7.10 ± 0.37	5.98 ± 0.13	3.91 ± 0.21
2149+056	2149+056	0.69 ± 0.15	0.89 ± 0.09	0.90 ± 0.28
2201+315	2201+315	2.80 ± 0.34	2.50 ± 0.05	2.10 ± 0.27
2209+236	2209+236	0.65 ± 0.23	0.89 ± 0.05	1.27 ± 0.27
3C 446	2223-052	5.30 ± 0.22	6.00 ± 0.07	7.20 ± 0.55
2234+282	2234+282	1.19 ± 0.24	1.42 ± 0.07	1.50 ± 0.29
2243-123	2243-123	2.10 ± 0.20	2.35 ± 0.14	2.48 ± 0.18
3C 454.3	2251+158	9.29 ± 0.31	11.08 ± 0.05	13.29 ± 0.47
2255-282	2255-282	5.01 ± 0.26	3.43 ± 0.05	2.70 ± 0.37
2318+049	2318+049	1.11 ± 0.25	1.06 ± 0.09	0.90 ± 0.25
2356+385	2356+385	0.45 ± 0.13	0.56 ± 0.10	0.43 ± 0.09