2002MNRAS.337.1233R

Query : 2002MNRAS.337.1233R

2002MNRAS.337.1233R - Mon. Not. R. Astron. Soc., 337, 1233-1244 (2002/December-3)

Simulations of central structure in barred galaxies.

RAUTIAINEN P., SALO H. and LAURIKAINEN E.

Abstract (from CDS):

We have studied the formation of complex central structures in barred galaxies - nested bars, nuclear spirals and circumnuclear rings - by making N -body simulations, which include the gas component as inelastically colliding particles. Our models suggest that many of the observed features in both the stellar and gas components can be explained by the dynamical effect of two or more modes in the stellar disc. Especially, many morphological features in our simulations correspond to analytically studied orbit loops in double-barred potentials. Interestingly, a fast-rotating secondary bar forms in a purely stellar disc in our simulations, which disagrees with some previous studies where the presence of a dissipative component was needed.

Abstract Copyright: RAS

Journal keyword(s): galaxies: evolution - galaxies: fundamental parameters - galaxies: kinematics and dynamics - galaxies: spiral - galaxies: structure

Simbad objects: 14

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Number of rows : 14
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 936 EmG 02 27 37.462 -01 09 22.61   11.1   9.98 10.7 ~ 374 0
2 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1448 3
3 NGC 1326 Sy1 03 23 56.3657298384 -36 27 52.322333040 11.69 11.43 10.54 10.02 10.9 ~ 279 2
4 NGC 2681 LIN 08 53 32.7183058512 +51 18 49.159212120 11.40 11.09 10.29     ~ 332 1
5 MCG-03-24-012 GiG 09 29 16.3782670344 -20 22 45.423723864   13.67   12.19   ~ 60 0
6 NGC 3945 GiG 11 53 13.6081388304 +60 40 32.125024704   11.6       ~ 265 0
7 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
8 NGC 4314 LIN 12 22 32.0223000912 +29 53 43.814812200 11.72 11.43 10.58     ~ 494 1
9 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
10 NGC 4340 GiP 12 23 35.2816311336 +16 43 20.443217952   12.4       ~ 288 0
11 NGC 4371 GiG 12 24 55.4333579760 +11 42 15.144247584 12.35 11.79 10.81     ~ 345 1
12 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
13 NGC 5248 G 13 37 32.0145074088 +08 53 06.496982448   11.4       ~ 554 0
14 IC 1438 Sy1 22 16 29.0893049880 -21 25 50.454727752   12.63   11.57   ~ 91 0

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