2010AJ....140.1462S

Query : 2010AJ....140.1462S

2010AJ....140.1462S - Astron. J., 140, 1462-1474 (2010/November-0)

Lenticular galaxies at the outskirts of the Leo II group: NGC 3599 and NGC 3626.

SIL'CHENKO O.K., MOISEEV A.V. and SHULGA A.P.

Abstract (from CDS):

We have studied unbarred S0 galaxies, NGC 3599 and NGC 3626, the members of the X-ray bright group Leo II, by means of three-dimensional spectroscopy, long-slit spectroscopy, and imaging, with the aim of identifying the epoch and mechanisms of their transformation from spirals. Both galaxies have appeared to bear complex features obviously resulting from minor merging: decoupled gas kinematics, nuclear star-forming rings, and multi-tiered oval large-scale stellar disks. The weak emission line nucleus of NGC 3599 bears all signs of Seyfert activity, according to the line-ratio diagnostics of the gas excitation mechanism. We conclude that the transformation of these lenticular galaxies took place about 1-2 Gyr ago, through gravitational mechanisms unrelated to the hot intragroup medium of Leo II.

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Journal keyword(s): galaxies: evolution - galaxies: individual (NGC 3599, NGC 3626) - galaxies: structure

Simbad objects: 15

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Number of rows : 15
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 IC 1541 GiG 00 20 01.9647482472 +21 59 59.149274136   15.5       ~ 23 0
2 NGC 80 BiC 00 21 10.8267437544 +22 21 25.653040200   13.7       ~ 97 0
3 NGC 85 GiG 00 21 25.5485207160 +22 30 42.255869364   14.9       ~ 32 0
4 NGC 86 GiG 00 21 28.5467758464 +22 33 23.228873820   14.9       ~ 28 0
5 IC 1548 GiG 00 21 55.1764010352 +22 00 22.870630836   15.6       ~ 30 0
6 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
7 Z 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
8 NGC 3593 GiG 11 14 36.9731893800 +12 49 05.497790664   11.8       ~ 376 2
9 NGC 3599 GiP 11 15 26.9494646448 +18 06 37.428503940   13.0       ~ 226 0
10 NGC 3607 Sy2 11 16 54.65687 +18 03 06.5120   13.84 12.76     ~ 490 1
11 NGC 3608 LIN 11 16 58.967 +18 08 54.71   11.7       ~ 527 0
12 NAME NGC 3607 Group GrG 11 17 55.9 +18 07 35   9.9       ~ 57 0
13 NGC 3626 GiG 11 20 03.8069651160 +18 21 24.543304164   11.2       ~ 282 0
14 NGC 5576 GiP 14 21 03.691 +03 16 15.78 12.25 11.85 10.96     ~ 347 1
15 NGC 7625 AG? 23 20 30.132 +17 13 32.16 13.31 13.23 11.98 11.25   ~ 280 0

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