2023PASP..135j4101L

Query : 2023PASP..135j4101L

2023PASP..135j4101L - Publ. Astron. Soc. Pac., 135, part no 10, 4101 (2023/October-0)

Examining the Influence of the Regions on Star Formation Surface Density.

LEI F.-J. and WU H.

Abstract (from CDS):

We analyzed the star formation surface density (ΣSFR) between the global and H II regions in a sample of 69 low surface brightness galaxies (LSBGs) and 68 star-forming (SF) galaxies using data from the Hα images. The conventional global ΣSFR, which is defined as the star formation rate (SFR) divided by the area of the global galaxy, may not accurately describe the star formation activity in LSBGs due to the lower number of H II regions compared to SF galaxies. To address this, we divide the global galaxy into two regions, the H II region and the diffuse region, and then study the ΣSFR in each region. Our results show that both the SFR and area of the H II regions in LSBGs are lower than those in SF galaxies, resulting in the H II region's ΣSFR (SFR/area) being slightly lower in LSBGs than in SF galaxies by 0.28 dex, although the global ΣSFR is at least an order of magnitude lower in LSBGs than in SF galaxies. Furthermore, a significant difference exists between the global and H II regions in ΣSFR. In LSBGs, ΣSFR increased by 0.80 dex from the global region to the H II region, while SF galaxies demonstrate a 0.54 dex increase, highlighting the crucial aspect of carefully selecting an appropriate aperture for ΣSFR calculations.

Abstract Copyright: © 2023. The Astronomical Society of the Pacific. All rights reserved.

Journal keyword(s): Galaxy formation

VizieR on-line data: <Available at CDS (J/PASP/135/j4101): table1.dat>

Simbad objects: 139

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Number of rows : 139
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 AGC 102729 bCG 00 00 31.45824 +30 52 09.3144           ~ 10 0
2 SDSS J000310.97+150240.2 G 00 03 10.978 +15 02 40.27           ~ 7 0
3 LEDA 169950 AG? 00 05 05.0675020536 +23 58 14.268944028           ~ 15 0
4 LEDA 4018118 G 00 08 48.785 +14 02 01.06           ~ 11 0
5 SDSS J002048.65+150313.0 G 00 20 48.658 +15 03 13.00           ~ 7 0
6 MCG+04-02-031 AG? 00 34 24.790 +24 36 13.90   16.5       ~ 24 0
7 Z 435-34 Sy2 00 59 40.1127876288 +15 19 51.498672996   14.2       ~ 60 0
8 Z 436-5 LIN 01 09 21.9863366256 +14 20 32.325033948   14.8       ~ 52 0
9 LEDA 138333 AG? 01 14 45.617 +27 08 10.11   15.5       ~ 20 0
10 Z 436-46 LIN 01 25 23.6806203744 +14 31 11.979230232   14.89       ~ 49 1
11 LEDA 138388 G 01 31 46.241 +14 09 19.60   16.1       ~ 15 0
12 LEDA 4005728 G 01 32 39.06361 +14 04 50.1411           ~ 14 0
13 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
14 UGC 1156 G 01 37 20.9897925288 +14 27 46.599988680   17       ~ 22 0
15 UGC 1362 G 01 53 50.666 +14 45 52.19   18       ~ 23 0
16 UGC 1364 EmG 01 54 03.679 +14 54 34.37   16.5       ~ 38 1
17 SDSS J015705.11+142603.9 G 01 57 05.091 +14 26 03.65           ~ 8 0
18 LEDA 1468320 AG? 01 59 26.710 +14 50 03.93           ~ 13 0
19 2MASX J02025000+1431136 Sy1 02 02 49.9717043352 +14 31 13.984843512     17.36     ~ 17 0
20 Z 438-25 G 02 05 58.1911637664 +14 55 10.196550012   15.6       ~ 24 0
21 Z 438-32 AG? 02 08 24.655 +14 58 18.99   14.3       ~ 43 0
22 LEDA 1483572 AG? 02 10 03.690 +15 23 52.85           ~ 12 0
23 MCG+02-06-044 AG? 02 12 03.245 +14 06 15.11   17       ~ 25 0
24 LEDA 5060073 AG? 07 47 23.338 +08 49 59.44           ~ 9 0
25 Z 118-58 AG? 08 05 05.416 +25 03 44.55   15.3       ~ 36 0
26 LEDA 3445954 EmG 08 05 22.562 +25 32 30.84           ~ 17 0
27 IC 493 AG? 08 07 27.638 +25 07 58.60   14.8       ~ 38 0
28 Z 148-116 EmG 08 08 46.822 +28 04 44.37   15.4       ~ 17 0
29 LEDA 3522518 G 08 09 21.642 +05 36 55.63           ~ 7 0
30 NGC 2540 Q? 08 12 46.4478838824 +26 21 42.387277896   14.5       ~ 90 0
31 SDSS J081255.09+260541.4 G 08 12 55.093 +26 05 41.46           ~ 6 0
32 Z 119-11 G 08 13 03.6879719448 +24 34 01.063486956   15.6       ~ 38 0
33 SDSS J081349.74+261517.5 EmG 08 13 49.74093 +26 15 17.5836           ~ 13 0
34 IC 2239 AG? 08 14 06.782 +23 51 58.88   15.3       ~ 41 0
35 LEDA 23118 EmG 08 14 48.454 +25 55 16.86   17.5       ~ 19 0
36 Z 119-18 EmG 08 15 29.2816778712 +26 09 03.610599516   16       ~ 28 0
37 SDSS J082708.18+274837.6 AG? 08 27 08.1729795120 +27 48 37.746992952           ~ 23 0
38 SDSS J083413.48+262548.1 G 08 34 13.48370 +26 25 48.2573           ~ 8 0
39 LEDA 4015306 G 08 39 21.080 +07 30 33.65           ~ 6 0
40 LEDA 3098501 EmG 08 40 30.278 +27 37 51.22   16.0       ~ 18 0
41 Z 150-20 AG? 08 43 06.6421923504 +26 48 21.142284444   15.3       ~ 23 0
42 UGC 4570 EmG 08 45 15.971 +27 49 25.96   16.5       ~ 33 0
43 Z 150-30 LSB 08 47 06.9788647872 +27 52 24.980836116   15.6       ~ 24 0
44 SDSS J085743.20+253524.5 AG? 08 57 43.19903 +25 35 24.5331           ~ 10 0
45 SDSS J085911.22+243210.6 G 08 59 11.28082 +24 32 10.5512           ~ 8 0
46 SDSS J090743.98+120259.7 G 09 07 43.993 +12 02 59.86           ~ 7 0
47 SDSS J091915.98+253605.9 AG? 09 19 15.984 +25 36 05.96           ~ 10 0
48 SDSS J100204.25+122150.3 G 10 02 04.250 +12 21 50.33           ~ 9 0
49 SDSS J100909.78+273550.6 EmG 10 09 09.789 +27 35 50.66           ~ 11 0
50 UGC 5716 AG? 10 31 43.26364 +25 18 27.3731   17       ~ 82 0
51 LEDA 4577083 AG? 10 48 10.645 +26 09 49.74           ~ 11 0
52 LEDA 5059128 AG? 10 52 59.379 +26 28 22.51           ~ 9 0
53 UGC 6122 AG? 11 03 32.388 +11 07 06.74   16.0       ~ 27 0
54 LEDA 4546571 AG? 11 05 45.287 +28 07 20.00           ~ 13 0
55 LEDA 4546216 AG? 11 07 07.706 +28 03 23.62           ~ 12 0
56 UGC 6287 GiC 11 16 06.379 +23 54 37.42   17       ~ 16 0
57 SDSS J111631.54+071821.4 G 11 16 31.549 +07 18 21.46           ~ 6 0
58 Z 156-49 EmG 11 17 21.976 +27 40 22.67   15.7       ~ 33 0
59 Z 39-109 GiG 11 18 08.726 +04 36 58.01   15.5       ~ 24 0
60 Z 126-39 EmG 11 22 02.058 +25 55 16.21   15.7       ~ 18 0
61 LEDA 91110 AG? 11 22 53.724 +26 36 17.61   17.33       ~ 22 0
62 LEDA 1705177 EmG 11 24 17.50272 +24 20 34.4469           ~ 12 0
63 LEDA 4561566 EmG 11 24 23.808 +27 40 21.80           ~ 10 0
64 SDSS J112502.36+235047.1 G 11 25 02.35979 +23 50 47.3410           ~ 11 0
65 LEDA 93625 EmG 11 26 08.061 +27 54 35.96   16.80       ~ 13 0
66 LEDA 4279825 G 11 26 38.628 +24 17 57.85           ~ 11 0
67 LEDA 1726421 EmG 11 29 54.246 +25 07 52.11           ~ 16 0
68 Z 68-19 GiC 11 39 55.504 +13 28 02.05   15.7       ~ 21 0
69 AGC 749439 LSB 11 41 09.105 +24 45 05.25           ~ 10 0
70 LEDA 4001249 AG? 11 42 15.63585 +10 13 22.4552           ~ 9 0
71 UGC 6669 LSB 11 42 19.030 +14 59 46.40   17       ~ 31 0
72 Z 127-37 EmG 11 43 25.309 +25 00 19.43   15.4       ~ 34 0
73 LEDA 4295399 AG? 11 46 36.385 +23 57 16.46           ~ 12 0
74 LEDA 4295767 G 11 47 06.67632 +27 25 05.4288           ~ 8 0
75 NGC 3911 EmG 11 49 22.093 +24 56 18.51   15.4       ~ 31 0
76 MCG+04-28-061 GiC 11 50 25.39443 +25 59 20.7213   16.5       ~ 21 0
77 LEDA 4573085 AG? 11 50 36.993 +24 55 32.83           ~ 14 0
78 LEDA 1748393 EmG 11 52 02.593 +25 45 04.09           ~ 21 0
79 SDSS J115316.43+255859.6 AG? 11 53 16.429 +25 58 59.60           ~ 8 0
80 LEDA 4573088 AG? 11 55 01.14661 +25 27 38.8852           ~ 12 0
81 LEDA 37522 EmG 11 56 28.34721 +24 39 53.6909   16.5       ~ 17 0
82 Z 128-43 GiC 12 09 28.674 +26 13 33.83   15.3       ~ 36 0
83 LEDA 38958 AG? 12 12 58.723 +14 06 32.20   19       ~ 23 0
84 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
85 SDSS J123514.82+243255.5 AG? 12 35 14.826 +24 32 55.53           ~ 11 0
86 SDSS J124848.87+245957.2 G 12 48 48.85950 +24 59 57.0669           ~ 11 0
87 SDSS J130002.25+090216.7 AG? 13 00 02.256 +09 02 16.77           ~ 8 0
88 Z 160-82 EmG 13 00 17.8192176360 +27 23 15.082017360   15.6       ~ 47 0
89 LEDA 4011947 AG? 13 17 56.37529 +04 31 18.3225           ~ 15 0
90 2MASS J13252276+2714566 GiC 13 25 22.7686307856 +27 14 56.584928616   16       ~ 22 0
91 LEDA 1797544 G 13 35 38.892 +27 05 35.55           ~ 14 0
92 LEDA 1713379 G 13 39 04.8798557592 +24 40 34.398682824           ~ 15 0
93 SDSS J134153.16+254512.9 G 13 41 53.166 +25 45 13.00           ~ 10 0
94 LEDA 1706171 G 13 45 53.21680 +24 23 10.8365           ~ 10 0
95 SDSS J135337.28+082111.7 G 13 53 37.285 +08 21 11.78           ~ 9 0
96 UGC 8915 AG? 13 59 38.970 +26 13 36.47   17       ~ 25 0
97 LEDA 87295 LSB 14 00 32.907 +08 59 41.73   17.78       ~ 13 0
98 Z 46-35 G 14 01 10.514 +07 28 55.67   15.3       ~ 26 0
99 LEDA 4555084 G 14 04 59.496 +28 01 54.00           ~ 10 0
100 SDSS J140551.66+251537.0 EmG 14 05 51.664 +25 15 37.07           ~ 7 0
101 LEDA 4573350 G 14 11 16.346 +09 13 32.89           ~ 10 0
102 LEDA 4555345 EmG 14 33 20.020 +25 03 00.85           ~ 13 0
103 Z 47-104 GiC 14 34 39.161 +04 15 50.58   14.20       ~ 50 1
104 MCG+01-37-037 AG? 14 35 22.784 +05 16 35.61   17       ~ 38 0
105 Z 75-90 LSB 14 36 40.943 +11 34 36.77   15.6       ~ 27 0
106 ECO 999 EmG 14 46 33.7245466944 +25 42 09.405660708           ~ 11 0
107 LEDA 3089344 G 15 00 32.1836537112 +27 13 23.268292608           ~ 10 0
108 IC 4525 G 15 02 24.8563594440 +25 38 18.482894916   15.7       ~ 18 0
109 IC 4530 AGN 15 03 45.2944183776 +26 06 03.109242816   15.3       ~ 36 0
110 SDSS J151245.16+060951.2 AG? 15 12 45.16680 +06 09 51.2028           ~ 9 0
111 2MASX J15223445+2552211 rG 15 22 34.48544 +25 52 20.9433           ~ 11 0
112 Z 49-152 AG? 15 23 00.887 +04 31 49.09   15.5       ~ 41 0
113 Z 135-57 LIN 15 25 48.6740903472 +25 04 44.464985076   15.60       ~ 32 0
114 MCG+05-36-032 G 15 27 00.635 +26 27 00.46   17.5       ~ 18 0
115 LEDA 4552040 G 15 29 15.679 +24 44 32.38           ~ 8 0
116 LEDA 5058810 AG? 15 35 07.893 +12 20 13.42           ~ 13 0
117 LEDA 4481307 G 15 52 44.58860 +24 15 24.0754           ~ 8 0
118 SDSS J161220.36+063236.2 AG? 16 12 20.36440 +06 32 36.1546           ~ 11 0
119 LEDA 1715134 G 16 14 56.730 +24 44 28.85           ~ 12 0
120 UGC 10419 LSB 16 30 06.093 +27 41 57.57   17       ~ 28 0
121 Z 428-44 GiG 22 12 22.2686634000 +14 01 27.717172032   15.2       ~ 35 0
122 2MFGC 16795 GiG 22 15 52.59706 +14 04 46.0325           ~ 29 0
123 UGC 11992 LSB 22 20 47.321 +14 14 04.44   16.0       ~ 36 0
124 LEDA 3504365 G 22 27 35.30025 +14 27 58.3783           ~ 9 0
125 LEDA 1466267 G 22 34 04.33168 +14 45 10.3941           ~ 13 0
126 Z 429-14 G 22 37 07.7126685864 +14 13 55.076887560   15.6       ~ 42 0
127 LEDA 5057609 G 22 42 38.858 +31 46 34.96           ~ 7 0
128 SDSS J224743.78+321116.5 AG? 22 47 43.782 +32 11 16.55           ~ 10 0
129 SDSS J224803.16+294947.5 G 22 48 03.165 +29 49 47.50           ~ 7 0
130 LEDA 3090921 G 22 49 09.1705464096 +14 12 28.547002368           ~ 15 0
131 Z 430-41 G 22 59 26.5366500144 +15 09 05.742648252   15.7       ~ 22 0
132 Z 430-59 G 23 05 19.5795150456 +14 10 13.364762268   15.5       ~ 35 0
133 SDSS J230745.76+142234.3 G 23 07 45.766 +14 22 34.36           ~ 9 0
134 NGC 7580 H2G 23 17 36.3904811568 +14 00 04.228227216   14.8       ~ 72 0
135 LEDA 5059540 AG? 23 19 03.890 +16 01 21.77   17.6   17.8   ~ 11 0
136 Z 454-40 GiG 23 20 02.7842827632 +15 57 10.025218404   14.3       ~ 84 0
137 Z 432-11 EmG 23 36 37.207 +14 09 26.46   15.70       ~ 51 0
138 Z 498-39 LSB 23 55 41.880 +31 53 58.90   15.4       ~ 47 0
139 LEDA 141431 AG? 23 59 45.380 +27 15 15.09   17.6       ~ 17 0

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