1998ApJ...505L.109B

Query : 1998ApJ...505L.109B

1998ApJ...505L.109B - Astrophys. J., 505, L109-L112 (1998/October-1)

Formation of kinematic subsystems in stellar spiral-spiral mergers.

BALCELLS M. and GONZALEZ A.C.

Abstract (from CDS):

We show that kinematically peculiar cores may be generated in stellar spiral-spiral mergers. Kinematic segregation appears as the central bulges transport orbital angular momentum inward to the center of the remnant, while the outer parts keep the spin signature of the precursor disks. The peculiar core is composed mostly of bulge material, and its size best matches that of observed peculiar cores for mergers with unequal galaxy masses (∼2:1). Population decoupling is predicted by the rapid radial decrease of the bulge fraction in the remnant. In this scenario, a starburst may pump up the remnant metallicity, but otherwise the high metallicity of the kinematically decoupled core is built on the high metal content of the inner bulges rather than on a high self-enrichment of a population built from scratch out of the precursors' gas. Mergers with galaxy mass ratios 3:1 and above generate disk galaxies with counterrotating bulges.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Abundances - Galaxies: Elliptical and Lenticular, cD - Galaxies: Interactions - Galaxies: Kinematics and Dynamics - Galaxies: Peculiar

Simbad objects: 1

goto Full paper

goto View the references in ADS

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 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2

Query : 1998ApJ...505L.109B

Basic data :
NGC 7331 -- LINER-type Active Galaxy Nucleus
Other object types: otypes_help 		LIN (), G (2015ApJS,LEDA,...), X (2E,RX,...), IR (IRAS,ISOSS,...), AG? (2020MNRAS), * (Gaia), Opt (SDSS)
ICRS coord. (ep=J2000) : 		22 37 04.0506038088 +34 24 56.800076508 (Optical) [ 0.2096 0.2437 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		22 34 46.6195713649 +34 09 21.421401173 [ 0.2096 0.2437 90 ]
Gal coord. (ep=J2000) : 		093.7219075828843 -20.7239643174323 [ 0.2096 0.2437 90 ]
Proper motions mas/yr : 		-0.491 -0.756 [0.280 0.304 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 832 [3] / z(emission) 0.002779 [0.000010] / cz 833.16 [3.00]
   (Rad) C 2022ApJS..261...21Y
Parallaxes (mas): 		1.0745 [0.3091] A 2020yCat.1350....0G
Morphological type: 		SAb C 2015ApJS..217...27A
Angular size (arcmin): 		10.47 4.17 171 (Opt) D 2003A&A...412...45P
Fluxes (12) :
U 10.65 [0.10] D 2007ApJS..173..185G
B 10.35 [0.10] D 2007ApJS..173..185G
V 9.48 [0.10] D 2007ApJS..173..185G
G 16.278652 [0.012791] C 2020yCat.1350....0G
J 7.058 [0.016] C 2006AJ....131.1163S
H 6.294 [0.017] C 2006AJ....131.1163S
K 6.028 [0.018] C 2006AJ....131.1163S
u (AB) 13.824 [0.003] C 2009ApJS..182..543A
g (AB) 11.669 [0.001] C 2009ApJS..182..543A
r (AB) 10.626 [0.001] C 2009ApJS..182..543A
i (AB) 10.058 [0.001] C 2009ApJS..182..543A
z (AB) 9.614 [0.001] C 2009ApJS..182..543A
SIMBAD within arcmin
Overlay Simbad points in this preview
Back
All CDSPortal (CDSPortal)
Send to sendBySAMP sendBySAMP
sedIcon
within arcsec sed-help-icon
notes:

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 5
: 10 		: 7 Display criteria :

Identifiers (24) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NGC 7331 LEDA 69327 SDSS J223704.05+342456.8 [BTW2003] J2237+3424
2E 4630 2MASX J22370410+3424573 TC 402 [M98c] 223447.7+340935
2E 2234.7+3408 MCG+06-49-045 UGC 12113 [SLK2004] 1798
IRAS F22347+3409 PSCz Q22347+3409 UZC J223704.5+342501 [SRC98] 1
IRAS 22347+3409 RX J2237.0+3425 Z 514-68 [VDD93] 245
ISOSS J22370+3426 1RXS J223705.9+342519 Z 2234.8+3410 Gaia DR3 1903152720991758464

References (1284 between 1850 and 2026) (Total 1284)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)

Collections of Measurements Description of Measurements

Velocities : 17    Distance : 15    Plx : 1    PM : 1   

   

Observing logs
Herschel : 10    ISO : 48    XMM : 3   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : NGC 7331

Link by name to the catalogue in VizieR :

NGC 7331 2E 4630 IRAS F22347+3409 IRAS 22347+3409 2MASX J22370410+3424573
1RXS J223705.9+342519 SDSS J223704.05+342456.8 UGC 12113 Gaia DR3 1903152720991758464

Search by coordinates in Vizier (radius: 5 arcsec)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

The annotation server is currently not available. Sorry for any inconvenience

To bookmark this query, right click on this link: simbad:objects in 1998ApJ...505L.109B and select 'bookmark this link' or equivalent in the popup menu