2005MNRAS.358.1337R

Query : 2005MNRAS.358.1337R

2005MNRAS.358.1337R - Mon. Not. R. Astron. Soc., 358, 1337-1351 (2005/April-3)

Stellar abundance gradients in galactic discs - I. Method and spectral line gradients.

RYDER S.D., FENNER Y. and GIBSON B.K.

Abstract (from CDS):

We describe the technique of absorption-line imaging of galaxy discs using the Taurus Tunable Filter on the Anglo-Australian Telescope and demonstrate its sensitivity to the behaviour of spectral features associated with Mg and Fe. Radial profiles of Mg2and Fe5270 line strengths are presented for a sample of eight face-on spiral galaxies spanning a range of Hubble types. Signatures of phenomena including merger-induced star formation, Hii rings and galactic bars are also reported. This study demonstrates the capacity of tunable filters to measure Mg and Fe line strengths across the face of spiral galaxies, which can ultimately reveal clues about the star formation history and chemical evolution.

Abstract Copyright: 2005 RAS

Journal keyword(s): methods: observational - stars: abundances - galaxies: abundances - galaxies: photometry - galaxies: spiral

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 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
2 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
3 NGC 4535 H2G 12 34 20.3443516704 +08 11 51.908488116   11.1       ~ 679 0
4 * 108 Vir * 14 45 30.2044637184 +00 43 02.180202816   5.656 5.665     B9.5V 165 0
5 HD 131977 BY* 14 57 28.0007918772 -21 24 55.727265310 7.89 6.83 5.72 4.74 4.19 K4V 525 0
6 NGC 5968 LIN 15 39 57.1728342120 -30 33 09.929240100   13.08 14.32 11.87 12.0 ~ 35 0
7 NGC 6215 GiG 16 51 06.811 -58 59 36.46   11.63 11.28 10.25 11.7 ~ 114 0
8 NGC 6221 Sy2 16 52 46.329 -59 13 00.99   10.90 13.45 9.68 10.4 ~ 328 0
9 NGC 6753 Sy2 19 11 23.635 -57 02 58.44   11.84 11.04 10.31 11.0 ~ 177 1
10 NGC 6814 Sy1 19 42 40.5862186152 -10 19 25.108718844   15.33 14.21 11.7 11.3 ~ 866 0
11 * 58 Aql * 19 54 44.7948526968 +00 16 25.050363384   5.703 5.631     B9IV 228 0
12 NGC 6935 EmG 20 38 20.1988150992 -52 06 37.891816812   12.77 12.10 11.57   ~ 72 0
13 NGC 7213 Bla 22 09 16.2100443720 -47 10 00.115999716   10.97 12.08 10.50 10.6 ~ 700 1
14 NGC 7412 GiG 22 55 45.7654890264 -42 38 31.057726956   11.82 11.38 12.0 11.4 ~ 120 0
15 NGC 7637 GiG 23 26 27.6156212568 -81 54 41.699647188   13.24   12.06 12.4 ~ 55 0

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