1999ApJ...525..702D


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.16CEST11:09:00

1999ApJ...525..702D - Astrophys. J., 525, 702-708 (1999/November-2)

NICMOS observations of interaction-triggered star formation in the luminous infrared galaxy NGC 6090.

DINSHAW N., EVANS A.S., EPPS H., SCOVILLE N.Z. and RIEKE M.

Abstract (from CDS):

High-resolution 1.1, 1.6, and 2.2 µm imaging of the luminous infrared galaxy NGC 6090 obtained with NICMOS on the Hubble Space Telescope is presented. These new observations are centered on the two nuclei of the merger and reveal the spiral structure of the eastern galaxy and the amorphous nature of the western galaxy. The nuclear separation of 3.2 kpc (H0=75 km.s–1.Mpc–1) indicates that NGC 6090 is at an intermediate stage of merging. Bright knots/clusters are also visible in the region overlapping the merging galaxies; four of these knots appear bluer than the underlying galaxies and have colors consistent with young (≤107 yr) star clusters. The spatial coincidence of the knots with the molecular gas in NGC 6090 indicates that much of the present star formation is occurring outside the nuclear region of merging galaxies, consistent with recent studies of other double nucleus luminous infrared galaxies.

Abstract Copyright:

Journal keyword(s): Infrared: Galaxies - Galaxies: Active - galaxies: individual (NGC 6090) - Galaxies: Starburst - Stars: Formation

Nomenclature: Table 1: [DEE99] NN (Nos 1-12).

Simbad objects: 10

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Number of rows : 10

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 IC 1623 IG 01 07 47.2 -17 30 25   15       ~ 268 1
2 NGC 4038 GiP 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1287 1
3 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1581 0
4 NGC 4039 GiP 12 01 53.8 -18 53 06   11.08   9.77   ~ 1137 1
5 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 4087 3
6 IC 4553 SyG 15 34 57.22396 +23 30 11.6084   14.76 13.88     ~ 2739 4
7 NGC 6090 PaG 16 11 40.3 +52 27 21   14.0       ~ 402 2
8 NGC 6090W G 16 11 40.3 +52 27 25           ~ 11 0
9 NAME IRAS F16104+5235 NE rG 16 11 40.816 +52 27 26.99           ~ 22 0
10 NGC 6240 Sy2 16 52 58.861 +02 24 03.55   14.31 13.37     ~ 1515 2

    Equat.    Gal    SGal    Ecl

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