# 1999A&A...341..329P

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 Query : 1999A&A...341..329P

1999A&A...341..329P - Astronomy and Astrophysics, volume 341, 329-347 (1999/1-2)

HST images and properties of the most distant radio galaxies.

PENTERICCI L., ROETTGERING H.J.A., MILEY G.K., McCARTHY P., SPINRAD H., VAN BREUGEL W.J.M. and MACCHETTO F.

Abstract (from CDS):

With the Hubble Space Telescope we have obtained images of 9 of the most distant radio galaxies. The galaxies, which have redshifts between z=2.3 and z=3.6, were observed with the WFPC2 camera in a broad band filter (F606W or F707W, roughly equivalent to V or R-band), corresponding to the near ultraviolet emission in the rest frame of the radio galaxies. The total observing time was 2 orbits per object. In this paper we present the images overlayed on VLA radio maps of comparable resolution. We also present previously unpublished images, taken from the HST archive, of two other high redshift radio galaxies, observed through similar broad band filters. We find that on the scale of the HST observations there is a wide variety of morphological structures of the hosting galaxies: most objects have a clumpy, irregular appearance, consisting of a bright nucleus and a number of smaller components, suggestive of merging systems. Some observed structures could be due (at least partly) to the presence of dust distributed through the galaxies. The UV continuum emission is generally elongated and aligned with the axis of the radio sources, however the characteristics of the alignment effect'' differ from case to case, suggesting that the phenomenon cannot be explained by a single physical mechanism. We compare the properties of our radio galaxies with those of the UV dropout galaxies and conclude that (i) the most massive radio galaxies may well evolve from an aggregate of UV dropout galaxies and (ii) high redshift radio galaxies probably evolve into present day brightest cluster galaxies.

Journal keyword(s): galaxies: individual: TX 1707+1051 - galaxies: individual: MRC 2104-242 - galaxies: formation - galaxies: clusters: general - galaxies: active - cosmology: early Universe

Nomenclature: Fig.9: [PRM99] 1707+105 A (Nos A-C).

 Number of rows : 24
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 NGC 547 GiP 01 26 00.6208982520 -01 20 42.432452268   13.16 13.34     ~ 331 3
2 PMN J0214-1158 rG 02 14 17.4 -11 58 47           ~ 59 1
3 NVSS J031812-253509 rG 03 18 12.00 -25 35 09.0   23.6 23.8     ~ 75 2
4 4C 41.17 rG 06 50 52.098 +41 30 30.53           ~ 323 1
5 NVSS J083053+191314 rG 08 30 53.44 +19 13 15.7           ~ 70 1
6 NVSS J090530+340756 rG 09 05 30.1 +34 07 57   24.0 23.800 23.500   ~ 154 1
7 PMN J0945-2429 rG 09 45 32.7 -24 28 49           ~ 94 1
8 NAME Spiderweb Galaxy AGN 11 40 48.3 -26 29 09     22.00     ~ 265 1
9 4C 03.24 rG 12 45 38.4 +03 23 18           ~ 72 1
10 2C 1066 SyG 12 56 57.9 +47 20 20   22.0       ~ 273 0
11 3C 286 Sy1 13 31 08.2883506368 +30 30 32.960091564   17.51 17.25     ~ 4075 2
12 4C 24.28 rG 13 48 14.890 +24 15 50.34     17.7     ~ 45 1
13 4C -00.54 rG 14 13 15.2 -00 23 01           ~ 47 0
14 3C 324.0 Sy1 15 49 48.9 +21 25 38   21.5       ~ 304 0
15 [RLM94] 1707+105 2 Rad 17 10 06.42 +10 31 05.3           ~ 2 0
16 4C 10.48 rG 17 10 06.50 +10 31 06.0           ~ 37 1
17 3C 356 QSO 17 24 20.2 +50 57 14   21.5 21.5     ~ 219 1
18 LEDA 2830476 Sy1 20 27 59.5 -21 40 56   22.4       ~ 73 1
19 LEDA 2830749 rG 21 06 58.16 -24 05 11.3   23.0       ~ 72 1
20 4C 19.71 rG 21 44 07.5 +19 29 11           ~ 41 1
21 4C 28.58 rG 23 51 59.23 +29 10 29.0           ~ 41 1
22 [PRM99] 1707+105 A G ~ ~           ~ 2 0
23 [PRM99] 1707+105 C G ~ ~           ~ 2 0
24 [PRM99] 1707+105 B G ~ ~           ~ 2 0

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2022.06.25-04:02:24