2003A&A...402..171T

Query : 2003A&A...402..171T

2003A&A...402..171T - Astronomy and Astrophysics, volume 402171-179 (2003/4-4)

The determination of the spectral turnover in faint Compact Steep-Spectrum radio sources using the VLA at 74 MHz.

TSCHAGER W., SCHILIZZI R.T., ROETTGERING H.J.A., SNELLEN I.A.G., MILEY G.K. and PERLEY R.A.

Abstract (from CDS):

We carried out VLA observations in A configuration at 74MHz of a new sample of faint Compact Steep-Spectrum (CSS) radio sources as part of a comprehensive project to study the nature and evolution of peaked-spectrum radio sources. In conjunction with higher frequency spectral information this has enabled us to determine the peak frequency and peak flux density of the spectral turnover for 35 faint CSS radio sources. Spectra are presented. An analysis is given of the quality of the images and their suitability for integrated intensity measurements of the CSS radio sources.

Abstract Copyright: ∼

Journal keyword(s): radio continuum: galaxies - galaxies: active - galaxies: evolution

VizieR on-line data: <Available at CDS (J/A+A/402/171): table3.dat>

Nomenclature: Table 3: [TSR2003] JHHMM+DDMM N=35.

Simbad objects: 23

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Number of rows : 23
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 FIRST J082648.0+402236 Rad 08 26 48.045 +40 22 36.43           ~ 1 0
2 NVSS J084406+395300 Rad 08 44 06.861 +39 53 00.43           ~ 6 1
3 NVSS J093027+403329 Rad 09 30 27.765 +40 33 30.08           ~ 3 1
4 FIRST J093256.3+391902 Rad 09 32 56.396 +39 19 02.55           ~ 1 0
5 6C 093534+394826 QSO 09 38 39.1655580624 +39 34 19.948485612   21.48 21.14     ~ 21 1
6 SDSS J101708.42+413023.6 QSO 10 17 08.4210568248 +41 30 23.709953484           ~ 8 0
7 NVSS J102128+394546 Rad 10 21 28.676 +39 45 45.44           ~ 3 1
8 FIRST J102813.4+384434 Rad 10 28 13.396 +38 44 34.73           ~ 1 0
9 NVSS J103432+413712 Rad 10 34 32.878 +41 37 12.79           ~ 3 1
10 NVSS J103841+422951 rG 10 38 41.02996 +42 29 51.8401           ~ 5 1
11 FIRST J110343.8+381541 rG 11 03 43.87817 +38 15 41.6207           ~ 1 0
12 NVSS J110437+391451 Rad 11 04 37.700 +39 14 51.13           ~ 5 1
13 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
14 6C 124156+410806 BLL 12 44 19.9682592720 +40 51 36.652030020     19.43     ~ 40 1
15 NVSS J140825+393131 Rad 14 08 25.023 +39 31 31.08           ~ 5 1
16 NVSS J141142+384620 rG 14 11 42.29244 +38 46 20.1043           ~ 7 1
17 NVSS J145028+412119 Rad 14 50 28.457 +41 21 18.97           ~ 3 1
18 6C 145334+394609 QSO 14 55 30.0260106600 +39 33 58.996186344           ~ 9 1
19 NVSS J151542+404210 Rad 15 15 42.802 +40 42 10.07           ~ 3 1
20 FIRST J164440.2+373904 Rad 16 44 40.265 +37 39 04.23           ~ 2 0
21 FIRST J165457.7+390454 Rad 16 54 57.735 +39 04 55.02           ~ 1 0
22 NVSS J165555+391644 Rad 16 55 55.4023913832 +39 16 45.251228604           ~ 4 1
23 MCG+07-41-003 Bla 19 59 28.35656837 +40 44 02.0972325   16.22 15.10     ~ 2537 2

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