2011MNRAS.411.1111H

Query : 2011MNRAS.411.1111H

2011MNRAS.411.1111H - Mon. Not. R. Astron. Soc., 411, 1111-1126 (2011/February-3)

Asymptotic orbits in barred spiral galaxies.

HARSOULA M., KALAPOTHARAKOS C. and CONTOPOULOS G.

Abstract (from CDS):

We study the formation of the spiral structure of barred spiral galaxies, using an N-body model. The evolution of this N-body model in the adiabatic approximation maintains a strong spiral pattern for more than 10 bar rotations. We find that this longevity of the spiral arms is mainly due to the phenomenon of stickiness of chaotic orbits close to the unstable asymptotic manifolds originated from the main unstable periodic orbits, both inside and outside corotation. The stickiness along the manifolds corresponding to different energy levels supports parts of the spiral structure. The loci of the disc velocity minima (where the particles spend most of their time, in the configuration space) reveal the density maxima and therefore the main morphological structures of the system. We study the relation of these loci with those of the apocentres and pericentres at different energy levels. The diffusion of the sticky chaotic orbits outwards is slow and depends on the initial conditions and the corresponding Jacobi constant.

Abstract Copyright: 2010 The Author Monthly Notices of the Royal Astronomical Society2010 RAS

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

Simbad objects: 1

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Number of rows : 1

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 4314	LIN	12 22 32.0223000912	+29 53 43.814812200	11.72	11.43	10.58			~	494	1

Query : 2011MNRAS.411.1111H

Basic data :

NGC 4314 -- LINER-type Active Galaxy Nucleus

LIN (), G (2015ApJS,KUG,...), IR (IRAS,PSCz), GiC (CAIRNS), GiG ([CHM2007]), AG? (2020MNRAS), * (Gaia), Opt (SDSS)

12 22 32.0223000912 +29 53 43.814812200 (Optical) [ 1.1586 1.4877 90 ] C 2020yCat.1350....0G

12 20 01.8474141005 +30 10 21.555039254 [ 1.1586 1.4877 90 ]

187.6867830843553 +83.0754834914455 [ 1.1586 1.4877 90 ]

V(km/s) 985 [10] / z(~) 0.003292 [0.000033] / cz 986.92 [9.89] D 2002LEDA.........0P

SBa C 2015ApJS..217...27A

4.3342 3.29486 140 (Opt) B 2023ApJS..269....3M

U 11.72 [0.16] D 2007ApJS..173..185G

B 11.43 [0.15] D 2007ApJS..173..185G

V 10.58 [0.15] D 2007ApJS..173..185G

G 18.446518 [0.015420] C 2020yCat.1350....0G

J 8.517 [0.012] C 2006AJ....131.1163S

H 7.825 [0.017] C 2006AJ....131.1163S

K 7.559 [0.015] C 2006AJ....131.1163S

u (AB) 13.670 [0.003] C 2009ApJS..182..543A

g (AB) 11.1679 [0.0010] B 2023ApJS..269....3M

r (AB) 10.3883 [0.0009] B 2023ApJS..269....3M

i (AB) 10.758 [0.002] C 2009ApJS..182..543A

z (AB) 9.7592 [0.0009] B 2023ApJS..269....3M

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`NGC 4314`	`LEDA 40097`	`UGC 7443`	`[CHM2007] LDC 867 J122231.97+2953430`
`CAIRNS J122232.02+295343.5`	`2MASX J12223197+2953430`	`UZC J122232.0+295344`	`[M98c] 122002.0+301025`
`IRAS F12200+3010`	`MCG+05-29-075`	`Z 1220.0+3010`	`[VDD93] 155`
`IRAS 12200+3010`	`PSCz Q12200+3010`	`Z 158-93`	`[YWP2010] 185.633+29.895`
`KUG 1220+301`	`SDSS J122232.01+295343.7`	`[CHM2007] HDC 706 J122231.97+2953430`	`Gaia DR3 4010453715828304512`

References (494 between 1850 and 2026) (Total 494)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Data at NED - NASA/IPAC Extragalactic Database : NGC 4314

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`NGC 4314`	`IRAS F12200+3010`	`IRAS 12200+3010`	`KUG 1220+301`	`2MASX J12223197+2953430`
`SDSS J122232.01+295343.7`	`UGC 7443`	`Gaia DR3 4010453715828304512`

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