2016AJ....151...63S

Query : 2016AJ....151...63S

2016AJ....151...63S - Astron. J., 151, 63 (2016/March-0)

A comparative study of knots of star formation in interacting versus spiral galaxies.

SMITH B.J., ZARAGOZA-CARDIEL J., STRUCK C., OLMSTED S. and JONES K.

Abstract (from CDS):

Interacting galaxies are known to have higher global rates of star formation on average than normal galaxies, relative to their stellar masses. Using UV and IR photometry combined with new and published Hα images, we have compared the star formation rates (SFRs) of ∼700 star forming complexes in 46 nearby interacting galaxy pairs with those of regions in 39 normal spiral galaxies. The interacting galaxies have proportionally more regions with high SFRs than the spirals. The most extreme regions in the interacting systems lie at the intersections of spiral/tidal structures, where gas is expected to pile up and trigger star formation. Published Hubble Space Telescope images show unusually large and luminous star clusters in the highest luminosity regions. The SFRs of the clumps correlate with measures of the dust attenuation, consistent with the idea that regions with more interstellar gas have more star formation. For the clumps with the highest SFRs, the apparent dust attenuation is consistent with the Calzetti starburst dust attenuation law. This suggests that the high luminosity regions are dominated by a central group of young stars surrounded by a shell of clumpy interstellar gas. In contrast, the lower luminosity clumps are bright in the UV relative to Hα, suggesting either a high differential attenuation between the ionized gas and the stars, or a post-starburst population bright in the UV but faded in Hα. The fraction of the global light of the galaxies in the clumps is higher on average for the interacting galaxies than for the spirals. Thus either star formation in interacting galaxies is ''clumpier'' on average, or the star forming regions in interacting galaxies are more luminous, dustier, or younger on average.

Abstract Copyright: ∼

Journal keyword(s): galaxies: interactions - galaxies: starburst

Simbad objects: 156

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Number of rows : 156
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 24 EmG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 249 1
2 NGC 70 Sy2 00 18 22.5674575200 +30 04 46.348819392   14.5       ~ 69 0
3 NGC 71 Sy2 00 18 23.5547337024 +30 03 47.799984816   14.8       ~ 49 0
4 MCG-02-01-051 Sy2 00 18 50.898 -10 22 36.49   14.81 14.33     ~ 141 3
5 NGC 90 GiG 00 21 51.3799017480 +22 23 59.851983264   14.5       ~ 54 1
6 APG 65 IG 00 21.9 +22 23           ~ 16 0
7 NGC 93 GiG 00 22 03.2268170088 +22 24 29.199566736   14.7       ~ 49 0
8 NGC 169 SyG 00 36 51.6072915048 +23 59 27.553231968   13.70 13.1     ~ 117 0
9 NGC 174 Sy2 00 36 58.925 -29 28 40.34   13.82   12.56   ~ 40 0
10 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11149 1
11 NGC 337 EmG 00 59 50.090 -07 34 40.66 11.97 12.06 11.61 12.4 12.2 ~ 278 1
12 NGC 523 AG? 01 25 20.745 +34 01 30.57   13.5       ~ 117 1
13 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 5838 1
14 NGC 604 HII 01 34 32.1 +30 47 01           ~ 586 0
15 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1736 1
16 IC 195 GiP 02 03 44.6075361096 +14 42 33.441262236   14.3       ~ 66 0
17 APG 290 GrG 02 03.8 +14 43           ~ 53 0
18 IC 196 AG? 02 03 49.8007940184 +14 44 20.833361196   14.2       ~ 81 0
19 NGC 925 H2G 02 27 16.913 +33 34 43.97   10.69 10.12 9.55   ~ 783 1
20 NGC 1097 LIN 02 46 19.059 -30 16 29.68 10.46 9.97 9.48 8.72 9.8 ~ 1342 3
21 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7066 0
22 NGC 1253 Sy2 03 14 09.045 -02 49 22.62   11.8   11.19 11.5 ~ 107 0
23 NGC 1269 EmG 03 17 18.5785534752 -41 06 28.628735184 9.85 9.83 8.81 8.72   ~ 422 1
24 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 17435 0
25 M 42 HII 05 35 17 -05 23.4           ~ 4076 0
26 NAME 30 Dor Region reg 05 38.0 -69 06           ~ 236 0
27 NGC 2207 AG? 06 16 22.0336889136 -21 22 21.759218400   11.48 10.65 10.21 11.9 ~ 289 3
28 IC 2163 AG? 06 16 27.9671433048 -21 22 33.133211832   12.55   11.28   ~ 165 2
29 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1789 1
30 NGC 2535 rG 08 11 13.484 +25 12 24.97   13.5 12.60     ~ 178 0
31 APG 82 PaG 08 11 14.0 +25 12 25           ~ 146 0
32 NGC 2536 GiP 08 11 15.9239979960 +25 10 45.549680232   14.8 13.93     ~ 91 0
33 NGC 2543 GiP 08 12 57.955 +36 15 16.23   12.70       ~ 165 1
34 NGC 2648 GiP 08 42 39.8009205504 +14 17 08.220107076   12.80 11.82     ~ 87 0
35 NGC 2639 Sy2 08 43 38.0682469032 +50 12 19.942091604 12.90 12.56 11.65     ~ 427 2
36 UGC 4704 GiP 08 59 00.28 +39 12 35.7   15.00       ~ 64 1
37 NGC 2719 LSB 09 00 15.7319130000 +35 43 39.222492060   13.7       ~ 74 0
38 NGC 2798 GiP 09 17 22.9 +42 00 00 13.03 13.04 12.32     ~ 325 3
39 APG 283 PaG 09 17 26.99 +41 59 48.8   12.2       ~ 193 1
40 NGC 2799 GiP 09 17 31.0045889856 +41 59 38.595688980   14.32 13.71     ~ 125 1
41 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1073 1
42 NGC 2854 GiP 09 24 03.2441600232 +49 12 15.462544104   13.82       ~ 100 1
43 APG 285 GrG 09 24.1 +49 13           ~ 55 0
44 NGC 2856 GiP 09 24 16.0155478176 +49 14 57.076425384   14.10       ~ 86 2
45 NGC 2857 LIN 09 24 37.7330655312 +49 21 25.457791104   12.90 12.27     ~ 67 1
46 APG 253 G 09 43 25.0 -05 16 52           ~ 13 0
47 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 890 3
48 NGC 2993 Sy1 09 45 48.325 -14 22 06.02 12.72 13.11 12.64 13.4 13.0 ~ 182 1
49 NGC 3049 EmG 09 54 49.651 +09 16 17.90   13.04       ~ 329 1
50 NGC 3180 GiG 10 18 16.985 +41 25 27.77   10.4       ~ 735 0
51 NGC 3212 GiP 10 28 16.5973302600 +79 49 23.945053152   14.3       ~ 27 0
52 APG 181 IG 10 28 22.9 +79 49 12           ~ 17 0
53 NGC 3215 GiP 10 28 40.6633308336 +79 48 47.208587580   14.0       ~ 20 0
54 NAME Great Attractor SCG 10 32 -46.0           ~ 558 0
55 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 406 1
56 UGC 5853 G 10 44 45.1468968672 +58 27 17.828425512   15.35       ~ 37 1
57 NGC 3353 AGN 10 45 22.390 +55 57 37.36 12.90 13.25 12.79     ~ 359 1
58 NGC 3367 Sy1 10 46 34.9528432440 +13 45 03.081157488 11.89 12.05 11.50     ~ 275 1
59 NGC 3395 GiP 10 49 50.1160141680 +32 58 58.421838360   12.1 12.10     ~ 277 2
60 APG 270 PaG 10 49 51.2 +32 58 58           ~ 185 0
61 NGC 3396 GiP 10 49 55.939 +32 59 26.44   12.6 12.50     ~ 205 1
62 UGC 5984 Sy2 10 52 14.9479088736 +30 03 28.370430468   14.6       ~ 73 0
63 UGC 6016 AG? 10 54 12.756 +54 17 14.08   17       ~ 43 0
64 NGC 3445 GiP 10 54 35.5131399552 +56 59 26.919652956 12.61 12.90 12.55     ~ 131 1
65 NGC 3448 AG? 10 54 39.240 +54 18 18.82   12.2       ~ 220 1
66 APG 24 G 10 54 40.1 +56 59 11           ~ 80 0
67 NGC 3521 G 11 05 48.5680991376 -00 02 09.245076540 10.06 9.83 9.02 10.1 9.6 ~ 817 2
68 NGC 3561 LIN 11 11 13.1873 +28 41 46.963   14.7       ~ 193 2
69 NGC 3621 Sy2 11 18 16.300 -32 48 45.36 10.10 9.44 9.56 8.07 10.1 ~ 590 3
70 NGC 3633 AG? 11 20 26.2369091784 +03 35 07.894295520   14.45       ~ 79 1
71 NGC 3646 GiP 11 21 43.0679287224 +20 10 10.447783896 11.76 11.78 11.13     ~ 146 1
72 NGC 3649 AGN 11 22 14.740 +20 12 31.06   14.57       ~ 39 1
73 NGC 3769 GiP 11 37 44.0727836208 +47 53 34.782808956   11.7       ~ 183 0
74 APG 294 GrG 11 39.7 +31 55           ~ 260 0
75 NGC 3786 Sy2 11 39 42.5121341928 +31 54 33.971791752   14.62 13.74     ~ 393 1
76 NGC 3788 GiP 11 39 44.5783762224 +31 55 52.367128392   13.30 12.50     ~ 134 1
77 NGC 3808 rG 11 40 44.2370562648 +22 25 45.516900324   14.1   13.24   ~ 121 2
78 NGC 3938 GiG 11 52 49.4335936248 +44 07 14.697085116 10.80 10.90 10.38     ~ 533 1
79 UGC 6879 EmG 11 54 25.086 -02 19 11.00   14.11       ~ 89 1
80 NGC 4016 AG? 11 58 29.017 +27 31 43.60   14.6       ~ 75 0
81 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1692 0
82 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 919 2
83 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1847 2
84 NAME Virgo Cluster ClG 12 26 32.1 +12 43 24           ~ 6645 0
85 NGC 4435 GiG 12 27 40.503 +13 04 44.48 12.23 11.74 10.80     ~ 445 2
86 NGC 4438 LIN 12 27 45.6705493536 +13 00 31.708096380 11.37 11.02 10.17     ~ 637 2
87 NGC 4450 LIN 12 28 29.5910654016 +17 05 05.976112020   10.90 10.08     ~ 564 2
88 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 284 2
89 NGC 4490 GiP 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 574 3
90 NGC 4559 H2G 12 35 57.6402869976 +27 57 35.859278160   10.46 10.01     ~ 629 1
91 NGC 4567 GiP 12 36 32.6979947472 +11 15 28.716262668 12.25 12.06 11.31     ~ 325 2
92 M 58 Sy2 12 37 43.5 +11 49 06 10.80 10.48 9.66     ~ 1079 2
93 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1396 3
94 NGC 4613 EmG 12 41 28.9394966328 +26 05 18.980762784   15.5       ~ 44 0
95 NGC 4614 Sy1 12 41 31.4656424088 +26 02 33.676303884   14.2       ~ 76 0
96 NGC 4615 EmG 12 41 37.3165133424 +26 04 22.103980284   13.8       ~ 131 0
97 NGC 4676 IG 12 46 10.18 +30 43 53.7   14.1       ~ 310 0
98 NGC 4725 Sy2 12 50 26.5716367992 +25 30 02.733090588   13.45 12.44     ~ 695 2
99 M 94 SyG 12 50 53.0737971432 +41 07 12.900884628 9.15 8.96 8.24 7.78   ~ 1386 2
100 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 940 2
101 NAME SHAPLEY-CENTAURUS CL SCG 13 06.0 -33 04           ~ 607 0
102 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1224 2
103 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4330 4
104 NGC 5195 GiP 13 29 59.590 +47 15 58.06 10.76 10.45 9.55 9.31   ~ 778 3
105 NGC 5216 Sy2 13 32 06.9115980360 +62 42 02.424417552   16.80 16.14     ~ 127 0
106 NGC 5218 GiP 13 32 10.4297476488 +62 46 04.122362532   13.1       ~ 165 1
107 NAME Keenan's System GrG 13 32.2 +62 44           ~ 73 0
108 NGC 5257 H2G 13 39 52.273 +00 50 22.48   13.7 12.99     ~ 197 0
109 APG 240 PaG 13 39 55.06 +00 50 06.4   12.6       ~ 154 0
110 NGC 5258 GiP 13 39 57.6768310848 +00 49 51.009668076   13.8 12.83     ~ 174 0
111 NGC 5394 GiP 13 58 33.6405096192 +37 27 12.732147036   13.7 13.12     ~ 202 1
112 APG 84 IG 13 58 34.30 +37 27 10.9           ~ 146 0
113 NGC 5395 Sy2 13 58 37.9605982608 +37 25 28.161627744   13.26 12.48     ~ 214 1
114 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 2914 2
115 NGC 5426 GiP 14 03 24.8484884640 -06 04 08.186632788   12.6   12.76 12.4 ~ 168 0
116 APG 271 IG 14 03 25.45 -06 02 59.9           ~ 209 0
117 NGC 5427 Sy1 14 03 26.0408044536 -06 01 50.682790236   14.67 13.96 11.54   ~ 288 0
118 NGC 5471 EmG 14 04 28.627 +54 23 52.84           ~ 240 1
119 NGC 5613 Sy2 14 24 05.9611424568 +34 53 31.540923780   16.0       ~ 25 0
120 NGC 5615 AG? 14 24 06.5085184224 +34 51 53.986119336   15       ~ 17 0
121 NGC 5614 AG? 14 24 07.5872943864 +34 51 31.813653924   12.6       ~ 146 0
122 NGC 5656 EmG 14 30 25.5100383288 +35 19 15.733164180   12.73 12.43 13.29 11.46 ~ 113 1
123 NGC 5752 rG 14 45 14.140 +38 43 44.11           ~ 28 0
124 NAME APG 297S PaG 14 45 16.64 +38 43 46.6           ~ 2 0
125 NGC 5753 LIN 14 45 18.8817069168 +38 48 21.185052660           ~ 11 0
126 APG 297 G 14 45 19 +38 45.7           ~ 31 0
127 NGC 5754 rG 14 45 19.6479407184 +38 43 52.363982100   14.1       ~ 56 0
128 NAME APG 297N PaG 14 45 21.40 +38 47 36.0           ~ 2 0
129 NGC 5755 IG 14 45 24.525 +38 46 47.73   15.1       ~ 42 0
130 MCG-02-38-017 GiP 14 49 32.7 -10 09 47   16.6   17.1   ~ 70 1
131 NGC 5953 GiP 15 34 32.4 +15 11 38   13.23 12.45     ~ 370 1
132 APG 91 IG 15 34 33.7 +15 11 49   12.3       ~ 24 1
133 NGC 5954 GiP 15 34 35.175 +15 11 53.67   13.7       ~ 174 0
134 NGC 5994 GiP 15 46 53.3294445216 +17 52 21.457006356   13.2       ~ 38 0
135 UGC 10033 IG 15 46 56.1 +17 52 42           ~ 117 0
136 NGC 5996 H2G 15 46 58.8879549840 +17 53 03.045863148   13.2       ~ 157 0
137 VV 29 IG 16 06 03.9082292784 +55 25 31.588100688   15.0       ~ 119 0
138 NGC 6285 GiG 16 58 24.016 +58 57 21.23   15.3       ~ 109 0
139 APG 293 G 16 58 27.8 +58 56 48           ~ 113 0
140 NGC 6286 GiG 16 58 31.3566512040 +58 56 10.114753560   14.2       ~ 186 1
141 ICRF J171914.4+485849 Sy2 17 19 14.4925971408 +48 58 49.423205136   15.86 14.81 9.44   ~ 312 1
142 UGC 10814 GiP 17 19 21.3650802168 +49 02 25.311600276   14.9       ~ 24 0
143 NGC 6373 AG? 17 24 08.095 +58 59 42.35   14.33       ~ 43 1
144 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2529 2
145 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1228 2
146 NGC 7469 Sy1 23 03 15.6 +08 52 26 12.60 13.00 12.34     ~ 2096 3
147 APG 298 PaG 23 03 16.87 +08 53 01.8   12.4       ~ 32 0
148 IC 5283 GiP 23 03 17.9800776408 +08 53 36.838944528   15.2       ~ 120 1
149 NGC 7714 GiP 23 36 14.1257730600 +02 09 18.197422668   14.91 14.36     ~ 765 1
150 APG 284 PaG 23 36 19 +02 09.3   12.6       ~ 607 0
151 NGC 7715 GiP 23 36 21.768 +02 09 25.30   11.81 12.14     ~ 138 0
152 MCG-01-60-021 LIN 23 41 47.285 -03 40 01.90 14.88 14.50 13.57     ~ 91 1
153 NGC 7752 GiP 23 46 58.557 +29 27 32.17   14.3       ~ 131 0
154 APG 86 PaG 23 47 01.7 +29 28 16           ~ 130 1
155 NGC 7753 AG? 23 47 04.834 +29 29 00.17   13.2       ~ 174 0
156 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1107 2

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