2002ApJ...573..131P


Query : 2002ApJ...573..131P

2002ApJ...573..131P - Astrophys. J., 573, 131-137 (2002/July-1)

Nuclear stellar disks in spiral galaxies.

PIZZELLA A., CORSINI E.M., MORELLI L., SARZI M., SCARLATA C., STIAVELLI M. and BERTOLA F.

Abstract (from CDS):

We report evidence for nuclear stellar disks in three early-type spirals, namely, NGC 1425, NGC 3898, and NGC 4698, revealed by Wide Field Planetary Camera 2 F606W images out of a sample of 38 spiral galaxies, selected from the Hubble Space Telescope data archive. Adopting the photometric method introduced by Scorza & Bender, we derived their central surface brightness and scale length by assuming them to be infinitesimally thin exponential disks. No nuclear disk was found in barred galaxies or galaxies of Hubble type later than Sb. The external origin of the disk in NGC 4698 is strongly suggested by its orthogonal geometrical decoupling with respect to the host galaxy.

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Journal keyword(s): Galaxies: Individual: NGC Number: NGC 1425 - Galaxies: Individual: NGC Number: NGC 3898 - Galaxies: Individual: NGC Number: NGC 4698 - Galaxies: Photometry - Galaxies: Spiral - Galaxies: Structure

Simbad objects: 11

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Number of rows : 11
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 1425 EmG 03 42 11.4831633240 -29 53 36.186684252   11.61   11.6 10.9 ~ 209 0
2 NGC 1637 Sy2 04 41 28.1926876152 -02 51 28.667815488   11.4   11.0 11.3 ~ 444 0
3 NGC 3115 GiG 10 05 13.9270507008 -07 43 06.982712292   11   9.37   ~ 1067 2
4 NGC 3898 LIN 11 49 15.370 +56 05 03.66   11.7       ~ 329 1
5 NGC 4342 GiP 12 23 39.0032044488 +07 03 14.359499100   13.0       ~ 337 0
6 NGC 4486A GiG 12 30 57.7095721176 +12 16 13.316512872   11.2 11.59 12.02   ~ 242 1
7 NGC 4539 GiG 12 34 34.7394395664 +18 12 09.520345440   13.5       ~ 78 0
8 NGC 4570 GiG 12 36 53.3828233728 +07 14 47.697174852   11.8       ~ 342 0
9 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
10 NGC 4698 Sy2 12 48 22.9082830584 +08 29 14.667552276   13.24 12.27     ~ 507 0
11 NGC 5845 GiG 15 06 00.7823239488 +01 38 01.704838596   13.8 11.20 12.06 9.94 ~ 403 0

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