2002MNRAS.337.1113S

Query : 2002MNRAS.337.1113S

2002MNRAS.337.1113S - Mon. Not. R. Astron. Soc., 337, 1113-1117 (2002/December-2)

A test of arm-induced star formation in spiral galaxies from near-infrared and Hα imaging.

SEIGAR M.S. and JAMES P.A.

Abstract (from CDS):

We have imaged a sample of 20 spiral galaxies in Hα and in the near-infrared K band (2.2 µm), in order to determine the location and strength of star formation in these objects with respect to perturbations in the old stellar population. We have found that star formation rates are significantly enhanced in the vicinity of K -band arms. We have also found that this enhancement in star formation rate in arm regions correlates well with a quantity that measures the relative strengths of shocks in arms. Assuming that the K -band light is dominated by emission from the old stellar population, this shows that density waves trigger star formation in the vicinity of spiral arms.

Abstract Copyright: RAS

Journal keyword(s): galaxies: fundamental parameters - galaxies: ISM - galaxies: spiral - galaxies: stellar content - infrared: galaxies

Simbad objects: 36

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Number of rows : 36
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 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
2 Z 394-13 GiC 04 47 45.3361694472 +01 49 09.652019556   14.62 14.05 13.48 12.93 ~ 43 0
3 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
4 Z 421-38 GiG 05 21 21.8899654536 +04 53 16.131010236   14.3       ~ 34 0
5 Z 85-12 GiP 06 52 20.530 +15 14 56.96   14.1       ~ 30 0
6 Z 58-11 GiG 07 37 02.8788224928 +13 36 03.890489544   14.1       ~ 32 0
7 Z 287-54 LIN 08 13 21.1328852496 +57 51 08.036688888   14.9       ~ 34 0
8 NGC 2628 Sy2 08 40 22.7038704024 +23 32 22.722167868   14.1       ~ 38 0
9 NGC 2710 AG? 08 59 48.3670133496 +55 42 22.674325032   13.66       ~ 75 1
10 NGC 2742 GiG 09 07 33.5746410432 +60 28 45.818789124   12.0       ~ 214 0
11 NGC 3053 rG 09 55 33.5977499592 +16 25 58.263164868   13.7       ~ 62 0
12 Z 123-18 AG? 10 05 13.4896000560 +21 27 21.484434852   14.8       ~ 33 1
13 NGC 3310 AGN 10 38 45.85707 +53 30 11.8940   12.45 12.15     ~ 809 1
14 Feige 34 HS* 10 39 36.7358839104 +43 06 09.212615280 9.613 10.91 11.14 11.319 11.464 sdOp 731 0
15 GSC 04914-00008 * 10 50 05.6546585640 -00 01 11.255400660 14.368 14.200 13.512 13.090 12.672 ~ 15 0
16 GSC 04914-00014 * 10 50 07.9165535112 -00 02 04.380832572 15.602 15.430 14.751 14.360 13.987 ~ 11 0
17 NGC 3392 Sy1 10 51 03.0013512384 +65 46 53.585661468   16.83 16.11     ~ 51 0
18 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
19 Z 126-30 LIN 11 19 16.6187635416 +20 48 48.768586236   13.8       ~ 58 0
20 IC 742 GiG 11 51 02.2513213320 +20 47 58.971540228   15.1   13.35   ~ 56 0
21 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
22 NGC 4713 GiG 12 49 57.8802780576 +05 18 40.933127196   12.3       ~ 320 1
23 NSV 19792 EB* 13 25 49.7186989368 -08 50 23.493459948 13.965 13.984 13.591 13.339 13.085 ~ 16 0
24 GSC 05544-00434 * 13 25 50.2206580272 -08 48 38.938413564 14.955 14.710 14.003 13.608 13.244 ~ 9 0
25 GSC 05544-00178 * 13 25 50.6503907304 -08 50 55.059130176 14.432 14.167 13.406 12.980 12.573 ~ 8 0
26 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
27 NGC 5737 LIN 14 43 11.8144221672 +18 52 47.817032340   14.6       ~ 37 0
28 GSC 00964-01483 * 16 35 33.3048374904 +09 46 20.687755800 15.066 14.049 12.968 12.379 11.878 ~ 8 0
29 GSC 00964-01600 * 16 35 37.2757421304 +09 46 15.781030680 15.514 14.368 13.224 12.612 12.091 ~ 8 0
30 GSC 00964-01181 * 16 35 40.0885056840 +09 46 41.535320304 14.203 14.224 13.689 13.365 13.040 ~ 8 0
31 NGC 6347 AG? 17 19 54.6749489928 +16 39 38.389784904   14.263 13.450 12.890 12.218 ~ 59 0
32 NGC 6379 AG? 17 30 34.9013983800 +16 17 19.560363684   14.6       ~ 35 0
33 NGC 6574 GiG 18 11 51.2465713056 +14 58 54.747570108   12.5       ~ 182 0
34 HD 185025 * 19 37 15.8301635544 +00 10 58.256832252 8.959 9.174 8.965 8.844 8.700 B7/9(III) 21 0
35 Z 398-21 GiG 20 12 03.9209483640 +05 45 49.401033372   14.9       ~ 30 0
36 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2

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