1997A&A...318..405K


Query : 1997A&A...318..405K

1997A&A...318..405K - Astronomy and Astrophysics, volume 318, 405-415 (1997/2-2)

Results of a search for faint galaxies in voids.

KUHN B., HOPP U. and ELSAESSER H.

Abstract (from CDS):

We present the results of a search for intrinsically faint galaxies towards three regions with known voids and the Hercules supercluster. The intention was to identify galaxies of low luminosity in order to find possibly a galaxy population in the voids. Within these selected fields we increased the range of observations in comparison with the recent large field surveys which revealed the non-uniform spatial distribution of galaxies. The limiting magnitude was raised by about 5mag, the limiting surface brightness by 2mag/sq.arcsec, and the limiting diameter reduced to less than 1/3. The individual observational data of our sample are published in the previous PaperI (Hopp et al. 1995) which describes our search strategy and contains B and R magnitudes, apparent diameters, redshifts and galaxy types of about 200 newly identified objects. Their luminosity distribution demonstrates a relatively high percentage of dwarfish galaxies. As the essential result of our survey we have to point out that no clear indication of a void-population was found. The majority of our objects lie outside voids in regions where the already known galaxies are concentrated. Some are located in the middle or near the edges of voids. They appear to be rather isolated, their distances to the nearest neighbour are quite large. Only few of our objects seem to be real void galaxies. Even in the three nearest and rather well defined voids we do not find any hitherto unknown galaxy.

Abstract Copyright:

Journal keyword(s): large scale structure of the Universe - galaxies: redshift

Nomenclature: Table 1: [HKT95] AA A NNNN-NNN format added, the letters 'AA A' standing for 'NN O'

Simbad objects: 18

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Number of rows : 18
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 [HKT95] O 0010-055 G 00 06 39.1 +12 33 05           ~ 1 0
2 [HKT95] O 0010-044 G 00 07 44 +13 02.8           ~ 1 0
3 [HKT95] NN O 0010-044 G 00 07 44 +13 02.8           ~ 1 0
4 [HKT95] O 0823-113 G 00 23 37 +15 04.8           ~ 1 0
5 [HKT95] O 0823-109 G 00 24 31 +14 24.7           ~ 1 0
6 [HKT95] O 0823-006 G 00 34 20 +14 41.2           ~ 1 0
7 [HKT95] O 1274-002 G 00 46 57.3 +14 59 04           ~ 1 0
8 [HKT95] O 1274-006 G 00 52 59 +15 15.6           ~ 1 0
9 [HKT95] O 1274-037 G 00 57 06 +12 27.6           ~ 1 0
10 [KG2002] J102703.58-023824.8 GiC 10 27 03.58 -02 38 24.8           ~ 2 0
11 [HKT95] O 0467-087 G 10 30 00 -01 42.1           ~ 1 0
12 [HKT95] O 0991-009 G 10 44 39.8 -05 20 11           ~ 1 0
13 [HKT95] O 0991-001 G 10 45 31.3 -04 00 00           ~ 1 0
14 LEDA 1045036 G 10 47 06.8 -05 24 54           ~ 2 0
15 [HKT95] N O 0991-004 G 10 47 18.1 -04 43 02   17.83       ~ 1 0
16 6dFGS gJ104718.7-044252 LSB 10 47 18.702 -04 42 52.00   16.33   15.239   ~ 4 0
17 [HKT95] HN 1321 G 10 58 51.9 -02 46 59   16.63       ~ 1 0
18 ACO 2151 ClG 16 05 15.0 +17 44 55           ~ 569 3

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2022.05.21-23:51:00

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