2004AJ....128..985I


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.12CEST15:25:28

2004AJ....128..985I - Astron. J., 128, 985-996 (2004/September-0)

Neutral hydrogen in Arp 158.

IYER M.G., SIMPSON C.E., GOTTESMAN S.T. and MALPHRUS B.K.

Abstract (from CDS):

We present 21 cm observations of Arp 158. We have performed a study of the neutral hydrogen (H I) to help us understand the overall formation and evolution of this system. This is a disturbed system with distinct optical knots connected by a linear structure embedded in luminous material. There is also a diffuse spray to the southeast. The H I seems to be made up of three distinct, kinematically separate systems. Arp 158 bears a certain optical resemblance to NGC 520 (Arp 157), which has been identified as a mid-stage merger. From our 21 cm observations of Arp 158, we also see a comparable H I content with NGC 520. These similarities suggest that Arp 158 is also an intermediate-stage merger.

Abstract Copyright:

Journal keyword(s): galaxies: individual (Arp 158) - Galaxies: Interactions - ISM: Abundances

Nomenclature: Table 1, Fig.2: [ISG2004] A (Nos A-C).

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 - 2020
#notes
1 4C 31.04 rG 01 19 35.0033970 +32 10 50.058043   16 14.5     ~ 213 1
2 UGC 957 GiC 01 24 24.46 +03 52 55.0   18       ~ 37 2
3 NGC 520 IG 01 24 35.071 +03 47 32.68 12.41 12.24 11.42     ~ 490 3
4 NGC 523 IG 01 25 20.745 +34 01 30.57   13.5       ~ 97 1
5 3C 48 QSO 01 37 41.2995845985 +33 09 35.079126038   16.62 16.20     ~ 2497 2
6 IC 167 GiP 01 51 08.65 +21 54 44.8   14.0       ~ 85 0
7 NGC 772 GiP 01 59 19.5556685548 +19 00 27.476398641 11.35 11.09 10.31 10.23 9.38 ~ 304 1
8 NGC 1023 IG 02 40 24.012 +39 03 47.70 10.91 10.35 9.35 7.83   ~ 601 2
9 NGC 1253 GiP 03 14 09.045 -02 49 22.62   11.8   11.19 11.5 ~ 95 0
10 IC 356 IG 04 07 46.908 +69 48 44.75   13.3       ~ 129 1
11 NGC 3239 IG 10 25 04.867 +17 09 49.21   13.5       ~ 152 0

    Equat.    Gal    SGal    Ecl

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2020.07.12-15:25:28

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