2003A&A...400..841P


Query : 2003A&A...400..841P

2003A&A...400..841P - Astronomy and Astrophysics, volume 400, 841-857 (2003/3-4)

Possibly interacting Vorontsov-Velyaminov galaxies. II. The 6-m telescope spectroscopy of VV 080, 131, 499, 523 and 531.

PUSTILNIK S., ZASOV A., KNIAZEV A., PRAMSKIJ A., UGRYUMOV A. and BURENKOV A.

Abstract (from CDS):

In continuation of the program formulated in Paper I we present results of long-slit spectroscopy with the Russian 6-m telescope of five more objects from the Vorontsov-Velyaminov (hereafter VV) Atlas and Catalogue of Interacting galaxies. These are the galaxies for which the interaction is not evident, although all of them are classified as multiple systems (usually as ``nests'', ``chains'' and similar systems). The spectrophotometry data enable us to derive for all galaxies abundances of O, and for some of them abundances of N, Ne and S. For two of them chemical abundances are given for the first time. In spectra of three of the studied galaxies [OIII] λ4363 line is measured, and Te and oxygen abundance are derived by the classical method. For the two others, empirical methods are used. For all 5 galaxies, the radial velocity distribution along the slit was obtained in the Hα-line. The studied galaxies represent a rather mixed sample: from very low luminosity irregular galaxies, like VV 499 (DDO 053), to rather bright VV 523 (NGC 3991). Their metallicities vary from Z∼1/25Z for VV 499 to ∼1/2Z for VV 523. The morphology of these galaxies ranges between typical dIrr (VV 080) through ring-like (VV 131) to clumpy Irr (VV 523). Position-Velocity diagrams in the Hα-line along the galaxy body imply the existence of large-scale ionized gas outflows/supershells around the sites of intense current and/or recent SF activity. Sizes of supershells vary in the range of several hundred pc to ∼2kpc. For all studied galaxies we examine their local environment and indicate the nearest neighbouring objects capable of inducing the observed enhanced star formation.

Abstract Copyright:

Journal keyword(s): galaxies: interactions - galaxies: abundances - galaxies: starburst - galaxies: irregular - galaxies: general

CDS comments: [SS98] 73 = [SS98c] 73.

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 - 2021
#notes
1 NGC 14 IG 00 08 46.4277865824 +15 48 56.511933066   13.3       ~ 88 0
2 AGC 123352 G 02 48 39.1 +23 16 25           ~ 4 0
3 LEDA 169969 G 02 57 34.5 +23 47 17           ~ 7 0
4 NGC 1156 rG 02 59 42.8526900556 +25 14 28.350265697 12.13 12.32 11.74     ~ 286 1
5 UGC 2684 G 03 20 23.71 +17 17 45.1   18       ~ 71 0
6 UGC 2716 LSB 03 24 07.257 +17 45 10.94 15.09 14.58 14.11 13.88   ~ 49 0
7 NGC 2403 AGN 07 36 51.396 +65 36 09.17 9.31 8.84 8.38 8.19   ~ 1652 1
8 UGC 4459 GiG 08 34 07.29 +66 10 54.6 15.39 15.03 14.70 14.49   ~ 304 2
9 UGC 4868 G 09 14 51.684 +48 35 37.98   16.5       ~ 8 0
10 VV 131b G 09 15 15.0464586469 +48 40 11.888883317           ~ 3 0
11 UGC 4874 PaG 09 15 15.81 +48 39 56.2   16.5       ~ 11 0
12 NAME M 81-82 Group GrG 09 55 +69.1           ~ 651 0
13 NGC 3991 EmG 11 57 30.465 +32 20 03.00   13.8       ~ 139 1
14 NGC 3994 LIN 11 57 36.866 +32 16 39.45   13.51 12.87     ~ 172 1
15 NGC 3995 rG 11 57 44.098 +32 17 38.64   12.81       ~ 156 0
16 IC 3105 G 12 17 33.750 +12 23 17.15   15.0       ~ 81 0
17 NGC 5275 IG 13 42 23.5614034378 +29 49 29.626388818   15.4       ~ 28 2
18 NAME Local Group GrG ~ ~           ~ 7314 0

    Equat.    Gal    SGal    Ecl

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2021.07.27-08:12:17

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