1999A&A...344...51P


Query : 1999A&A...344...51P

1999A&A...344...51P - Astronomy and Astrophysics, volume 344, 51-60 (1999/4-1)

VLBI imaging of extremely high redshift quasars at 5 GHz.

PARAGI Z., FREY S., GURVITS L.I., KELLERMANN K.I., SCHILIZZI R.T., McMAHON R.G., HOOK I.M. and PAULINY-TOTH I.I.K.

Abstract (from CDS):

We present very long baseline interferometry (VLBI) images of ten very high redshift (z>3) quasars at 5GHz. The sources 0004+139, 0830+101, 0906+041, 0938+119 and 1500+045 were observed in September 1992 using a global VLBI array, while 0046+063, 0243+181, 1338+381, 1428+423 and 1557+032 were observed in October 1996 with the European VLBI Network and Hartebeesthoek, South Africa. Most of the sources are resolved and show asymmetric structure. The sample includes 1428+423, the most distant radio loud quasar known to date (z=4.72). It is barely resolved with an angular resolution of about 2.0x1.4mas.

Abstract Copyright:

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

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024
#notes
1 [VV2006] J000657.5+141546 QSO 00 06 57.5304443208 +14 15 46.772577684   20.5 20.5     ~ 13 1
2 [VV2006] J004858.7+064006 QSO 00 48 58.72309750 +06 40 06.4729296     21.30     ~ 17 0
3 [VV2006] J024611.8+182330 QSO 02 46 11.8224782040 +18 23 30.095470212     19.50 19.5   ~ 16 1
4 QSO J0833+0959 QSO 08 33 22.4989675248 +09 59 41.202402252   20.33 19.59     ~ 41 0
5 Zel 0906+041 Rad 09 09 12.3 +03 55 42           ~ 3 0
6 QSO J0909+0354 Bla 09 09 15.9111043848 +03 54 42.745535496   19.3 21.60     ~ 44 1
7 QSO B0938+1159 QSO 09 41 13.5591252480 +11 45 32.330535768   19.84 19.63     ~ 104 1
8 QSO B1338+381 QSO 13 40 22.9517624088 +37 54 43.830333540   19.01 18.79     ~ 59 0
9 7C 1428+4218 QSO 14 30 23.74163471 +42 04 36.4910561   24.43 22.04 20.2   ~ 145 1
10 QSO J1503+0419 QSO 15 03 28.8873529680 +04 19 48.993415428   19.86 18.89     ~ 67 1
11 QSO J1559+0304 QSO 15 59 30.97261910 +03 04 48.2567339     19.8 19.77   ~ 78 1

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