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| Query : 1996A&AS..118..461F |
1996A&AS..118..461F - Astron. Astrophys., Suppl. Ser., 118, 461-479 (1996/September-0)
Disc galaxies with multiple triaxial structures. II. JHK surface photometry and numerical simulations.
FRIEDLI D., WOZNIAK H., RIEKE M., MARTINET L. and BRATSCHI P.
Abstract (from CDS):
We present detailed JHK surface photometry with ellipse fits of 13 galaxies selected from previous optical observations as likely candidates for having a secondary bar or a triaxial bulge within the primary bar. We have found 7 double-barred galaxies, 3 double-barred galaxies with an additional intermediate structure with twisted isophotes, and 3 galaxies with a bar and central twisted isophotes. A global analysis of the structural parameter characteristics in the I- and K-bands is presented. Various numerical models of galaxies with bars within bars are also analysed using the ellipse fitting technique and compared to the observations. A thorough review of the possible hypotheses able to explain this phenomenon is given with emphasis on the most likely ones.
Abstract Copyright: ∼
Journal keyword(s): galaxies: photometry - galaxies: structure - galaxies: fundamental parameters - galaxies: nuclei - galaxies: evolution
Simbad objects: 13
| Number of rows : 13 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | NGC 470 | GiP | 01 19 44.8526263032 | +03 24 36.027176544 | 12.63 | 12.53 | 11.78 | ~ | 275 | 1 | ||
| 2 | NGC 1097 | LIN | 02 46 19.059 | -30 16 29.68 | 10.46 | 9.97 | 9.48 | 8.72 | 9.8 | ~ | 1342 | 3 |
| 3 | NGC 2681 | LIN | 08 53 32.7183058512 | +51 18 49.159212120 | 11.40 | 11.09 | 10.29 | ~ | 318 | 1 | ||
| 4 | NGC 2950 | AG? | 09 42 35.1484995048 | +58 51 04.584956904 | 11.8 | ~ | 206 | 0 | ||||
| 5 | NGC 3081 | Sy2 | 09 59 29.5437024336 | -22 49 34.747341960 | 13.06 | 13.55 | 11.67 | 12.1 | ~ | 466 | 0 | |
| 6 | NGC 4314 | LIN | 12 22 32.0223000912 | +29 53 43.814812200 | 11.72 | 11.43 | 10.58 | ~ | 479 | 1 | ||
| 7 | NGC 4340 | GiP | 12 23 35.2816311336 | +16 43 20.443217952 | 12.4 | ~ | 277 | 0 | ||||
| 8 | NGC 5850 | LIN | 15 07 07.6828131840 | +01 32 39.513281352 | 11.5 | 10.79 | 11.1 | ~ | 316 | 1 | ||
| 9 | NGC 5905 | H2G | 15 15 23.3280793632 | +55 31 01.926808032 | 13.6 | ~ | 273 | 1 | ||||
| 10 | NGC 6782 | Sy2 | 19 23 57.9062029800 | -59 55 20.952769044 | 12.70 | 11.84 | 11.27 | 11.7 | ~ | 125 | 1 | |
| 11 | NGC 6951 | Sy2 | 20 37 14.1228088488 | +66 06 20.049916392 | 11.64 | 10.65 | ~ | 527 | 2 | |||
| 12 | NGC 7098 | AG? | 21 44 16.1497974000 | -75 06 40.864242528 | 12.33 | 11.37 | 10.84 | 11.5 | ~ | 84 | 0 | |
| 13 | NGC 7479 | Sy2 | 23 04 56.6432243448 | +12 19 22.357387020 | 11.74 | 11.60 | 10.85 | 10.47 | 9.66 | ~ | 743 | 2 |
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