2005A&A...439..963T


C.D.S. - SIMBAD4 rel 1.7 - 2020.11.28CET00:54:33

2005A&A...439..963T - Astronomy and Astrophysics, volume 439, 963-972 (2005/9-1)

Investigation of flat spectrum radio sources by the interplanetary scintillation method at 111 MHz.

TYUL'BASHEV S.A. and AUGUSTO P.

Abstract (from CDS):

Interplanetary scintillation observations of 48 of the 55 Augusto et al. (1998MNRAS.299.1159A) flat spectrum radio sources were carried out at 111MHz using the interplanetary scintillation method on the Large Phased Array (LPA) in Russia. Due to the large size of the LPA beam (1°x0.5°) a careful inspection of all possible confusion sources was made using extant large radio surveys: 37 of the 48 sources are not confused. We were able to estimate the scintillating flux densities of 13 sources, getting upper limits for the remaining 35. Gathering more or improving extant VLBI data on these sources might significantly improve our results. This proof-of-concept project tells us that compact (<1'') flat spectrum radio sources show strong enough scintillations at 111MHz to establish/constrain their spectra (low-frequency end).

Abstract Copyright:

Journal keyword(s): galaxies: general - galaxies: active - galaxies: quasars: general

Simbad objects: 89

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Number of rows : 89

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 NVSS J004640+315125 Rad 00 46 40.77 +31 51 26.7           ~ 3 1
2 NGC 262 Sy2 00 48 47.1414900 +31 57 25.083955 14.04 13.90 13.06 8.53   ~ 680 3
3 NVSS J011559+520915 Rad 01 15 56.87414 +52 09 13.0342           ~ 5 1
4 NVSS J011755+320622 Rad 01 17 55.09000 +32 06 22.6960           ~ 3 0
5 4C 31.04 rG 01 19 35.0033970 +32 10 50.058043   16 14.5     ~ 217 1
6 4C 14.06 QSO 01 29 55.3477962358 +14 46 47.837329274   20.23 19.90     ~ 43 1
7 4C 72.03 BLL 02 09 51.7903903 +72 29 26.669930   17.5   20.7   ~ 42 1
8 QSO B0218+357 QSO 02 21 05.5 +35 56 14   20.0 20.0 19.60   ~ 506 3
9 NVSS J022753+190113 Rad 02 27 53.33470 +19 01 14.0820           ~ 5 1
10 NVSS J023701+434204 Rad 02 37 01.2098 +43 42 04.183           ~ 6 1
11 PMN J0348+0842 Rad 03 48 10.41780 +08 42 08.8730           ~ 5 1
12 NVSS J035516+390910 Rad 03 55 16.5920072067 +39 09 09.806530542           ~ 8 1
13 6C 035210+823309 G 04 02 12.6750650316 +82 41 35.131929288           ~ 10 1
14 NVSS J042051+145916 Rad 04 20 51.08570 +14 59 15.6340           ~ 3 2
15 QSO J0431+1731 BLL 04 31 57.37922 +17 31 35.7762       21.3   ~ 35 1
16 PMN J0532+0120 Rad 05 32 08.77600 +01 20 06.3300           ~ 4 1
17 NVSS J063929+354336 Rad 06 39 29.8 +35 43 37           ~ 3 1
18 NVSS J063958+353256 Rad 06 39 58.3 +35 32 57           ~ 2 1
19 NVSS J064135+353957 Rad 06 41 35.85425 +35 39 57.6234           ~ 6 1
20 NVSS J064243+353301 Rad 06 42 43.44 +35 32 59.9           ~ 2 1
21 NVSS J064348+352834 Rad 06 43 49.00 +35 28 34.0           ~ 2 1
22 87GB 073259.1+234805 Q? 07 35 59.9200327 +23 41 02.862210           ~ 8 1
23 NVSS J073752+235244 rG 07 37 52.258 +23 52 44.86           ~ 4 1
24 NVSS J082206+075346 Rad 08 22 06.80 +07 53 45.0           ~ 1 0
25 GB6 B0817+7102 Rad 08 22 16.76488 +70 53 07.9785           ~ 5 1
26 PMN J0822+0804 Rad 08 22 33.15370 +08 04 53.5230           ~ 4 1
27 PMN J0822+0758 Rad 08 22 52.80 +07 57 40.0           ~ 2 1
28 NVSS J082323+390629 rG 08 23 23.77 +39 06 39.2           ~ 5 1
29 FIRST J082324.2+390626 Rad 08 23 24.2 +39 06 26           ~ 2 0
30 NVSS J082339+081430 Rad 08 23 39.1 +08 14 30           ~ 2 1
31 4C 39.23B rG 08 25 23.7 +39 19 45   17.0       ~ 37 1
32 NVSS J082714+390546 Rad 08 27 14.62 +39 05 42.9           ~ 1 0
33 4C 35.20 QSO 08 27 38.58823303 +35 25 05.0771894   21.09 20.77 18.48   ~ 76 1
34 NVSS J082847+352426 Rad 08 28 48.0 +35 24 26           ~ 2 1
35 NVSS J083620+552858 Rad 08 36 20.6 +55 29 00           ~ 3 1
36 NVSS J083752+554543 Rad 08 37 52.1 +55 45 59           ~ 2 1
37 4C 41.19 Rad 09 07 34.2 +41 34 49           ~ 21 2
38 6C 090521+420339 QSO 09 08 35.8628661049 +41 50 46.205165558   19.03 18.80 19.1   ~ 49 1
39 8C 0916+718 QSO 09 21 23.9451493 +71 36 12.402170   18.4 18.7 18.6   ~ 27 1
40 87GB 100348.4+172809 BLL 10 06 31.7659106 +17 13 17.111386           ~ 9 1
41 NVSS J100727+173354 Rad 10 07 27.8 +17 33 55           ~ 3 1
42 NVSS J101206+284243 Rad 10 12 06.78 +28 42 43.7           ~ 1 0
43 NVSS J101302+282910 Rad 10 13 02.99946 +28 29 10.9620           ~ 9 1
44 QSO B1010+495 QSO 10 13 29.9342181049 +49 18 40.967732402   19.27 19.10     ~ 51 1
45 6C 101157+494057 BLL 10 15 04.1393763275 +49 26 00.708524180   16.56 16.15 14.58   ~ 309 2
46 NVSS J110123+241429 Rad 11 01 23.51430 +24 14 29.5170           ~ 7 1
47 7C 114300.29+443702.00 BLL 11 45 38.5191467663 +44 20 21.917837316   18.79 18.15     ~ 19 1
48 4C 09.39 QSO 11 53 12.5516047744 +09 14 02.277967467   18.26 18.14     ~ 67 1
49 NVSS J121253+330123 Rad 12 12 53.2 +33 01 27           ~ 2 1
50 7C 1211+3326 QSO 12 14 04.1161744831 +33 09 45.598813102   17.84 17.89     ~ 90 1
51 NGC 4203 LIN 12 15 05.0543630359 +33 11 50.401356393   12.98 11.99     ~ 458 2
52 NVSS J123311+533956 Rad 12 33 11.4 +53 39 56           ~ 3 1
53 NVSS J123341+533723 Rad 12 33 41.9 +53 37 24           ~ 2 1
54 NVSS J123513+534906 Rad 12 35 13.5 +53 49 05           ~ 2 1
55 7C 123328.19+535636.00 QSO 12 35 48.2294016637 +53 40 04.954293596   20.37 20.13     ~ 20 1
56 NVSS J123634+532541 Rad 12 36 34.2 +53 25 38           ~ 3 1
57 NVSS J123702+532528 Rad 12 37 02.3 +53 25 29           ~ 2 1
58 NVSS J123750+533338 Rad 12 37 50.37 +53 33 39.0           ~ 3 1
59 7C 123549.79+534234.00 QSO 12 38 07.7758630628 +53 25 55.909063036   17.68 17.53 17.7   ~ 44 1
60 NVSS J124310+731600 rG 12 43 11.2160930587 +73 15 59.253486477           ~ 22 1
61 NVSS J131820+194647 Rad 13 18 22 +19 45.8           ~ 1 0
62 NVSS J131952+194135 Rad 13 19 52.07360 +19 41 35.4810           ~ 4 1
63 NVSS J134246+340222 Rad 13 42 46.5 +34 02 22           ~ 2 1
64 6C 134225+341135 QSO 13 44 37.1038241243 +33 55 46.212497303   19.77 19.58     ~ 19 1
65 87GB 150457.9+103001 LIN 15 07 21.8818500721 +10 18 45.002174142           ~ 15 1
66 87GB 162737.7+212336 QSO 16 29 47.5 +21 17 18   19.67 19.31     ~ 10 1
67 NVSS J163011+213134 Rad 16 30 11.2305658 +21 31 34.308455           ~ 15 1
68 4C 12.60 rG 16 40 47.9388277 +12 20 02.078893   19.5       ~ 43 1
69 JVAS B1642+054 Rad 16 44 56.174 +05 18 37.03           ~ 2 0
70 NVSS J172149+560750 Rad 17 21 49.7 +56 07 50           ~ 2 1
71 7C 172202.60+561407.00 Rad 17 22 57.9 +56 11 24           ~ 3 0
72 ICRF J174648.2+260320 BLL 17 46 48.2788909 +26 03 20.354619   17.0       ~ 18 1
73 NVSS J180251+032702 Rad 18 02 51.15 +03 27 02.0           ~ 2 1
74 3FGL J1804.1+0341 QSO 18 03 56.28290 +03 41 07.5750   19.5 18.5 17.4   ~ 29 1
75 4C 41.37 QSO 18 14 22.70617954 +41 13 05.6086005     19.60 18.6   ~ 32 1
76 NVSS J185729+630529 Rad 18 57 29.1989994344 +63 05 30.031181944           ~ 6 1
77 NVSS J185948+630436 Rad 18 59 48.79 +63 04 37.3           ~ 3 1
78 WISE J192820.58+681459.3 blu 19 28 20.5563403681 +68 14 59.392114165           ~ 11 1
79 NVSS J194736+675016 Rad 19 47 36.2 +67 50 17           ~ 5 1
80 NVSS J210236+663634 Rad 21 02 36.6297931064 +66 36 34.224239457           ~ 6 1
81 NVSS J215145+174307 Rad 21 51 45.06 +17 43 07.2           ~ 2 0
82 QSO B2150+173 BLL 21 52 24.81939953 +17 34 37.7950583     17.9 17.98   ~ 132 2
83 [VV2006] J215304.7+124104 QSO 21 53 04.6585278437 +12 41 05.195998445   19.82 19.59     ~ 23 1
84 NAME SMM J21536+1741 BiC 21 53 36.82670 +17 41 43.7260     19.58     ~ 40 2
85 QSO B2152+172 QSO 21 54 40.9005034 +17 27 50.794062   17.1 18.0 17.3   ~ 17 0
86 4C 04.77 BLL 22 04 17.6523555 +04 40 02.022667   16.20 15.2 10.2   ~ 181 2
87 87GB 221052.8+083253 BLL 22 13 21.7353767356 +08 47 29.953917779           ~ 8 1
88 2MASX J22502534+1419519 Sy1 22 50 25.3476930200 +14 19 52.092763455   17.28 16.97 17.243   ~ 192 1
89 87GB 234504.2+111824 EmG 23 47 36.40620 +11 35 17.8930           ~ 8 1

    Equat.    Gal    SGal    Ecl

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2020.11.28-00:54:33

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