2022MNRAS.515.3270S

Query : 2022MNRAS.515.3270S

2022MNRAS.515.3270S - Mon. Not. R. Astron. Soc., 515, 3270-3298 (2022/September-3)

A multiwavelength study of star formation in nearby galaxies: evidence for inside-out growth of the stellar disc.

SMITH M.V., VAN ZEE L., DALE D.A., HUNTER L.C., STAUDAHER S. and WROCK T.

Abstract (from CDS):

Global, radial, and local photometric measurements of several nearby low-mass galaxies are presented. Multiwavelength observations are used to trace the distributions of old and young stars, with the help of far-ultraviolet (FUV) to mid-infrared spectral energy distributions to derive star formation histories (SFHs). In addition to the surface brightness profiles, catalogues of UV-selected sources are created to better understand regions of galaxies with recent star formation. The clustering of these UV sources are studied in the dwarf irregular UGC 08188 (IC 4182) using a two-point correlation function. We find that the reddest of these UV sources are not clustered on any scale, but the bluer sources are clustered on scales approximately less than 1 kpc. We also find a possible negative radial gradient in the SFH parameter that marks the beginning of the younger stellar population's formation (tburst) when analysing the entire sample of 3165 UV sources found across a total of 34 galaxies, giving quantitative evidence for the inside-out growth of galactic discs - a natural consequence of galaxy evolution in a Λ cold dark matter universe.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: fundamental parameters - galaxies: star formation

Simbad objects: 35

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Number of rows : 35
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 NGC 24 EmG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 269 1
2 NGC 59 EmG 00 15 25.126 -21 26 39.68 14.01 13.21 12.59 12.31   ~ 111 0
3 NAME Scl Group GrG 01 00 06 -33 44.2           ~ 526 0
4 NGC 625 AGN 01 35 04.632 -41 26 10.32 12.37 11.78 11.25 11.03 11.5 ~ 312 2
5 Z 184-6 AG? 10 42 42.787 +34 26 57.39   13.31 13.09 12.84 12.85 ~ 173 0
6 NGC 3344 EmG 10 43 31.150 +24 55 19.99 10.38 10.54 9.86 9.71   ~ 434 1
7 NGC 3486 Sy2 11 00 23.946 +28 58 29.35 10.89 11.11 10.53 10.40   ~ 373 1
8 NGC 3769 GiP 11 37 44.0727836208 +47 53 34.782808956   11.7       ~ 195 0
9 NGC 3938 GiG 11 52 49.4335936248 +44 07 14.697085116 10.80 10.90 10.38     ~ 566 1
10 Z 157-55 AG? 11 55 39.7060218792 +31 31 06.535928784   15.7       ~ 138 0
11 NGC 4068 AG? 12 04 03.265 +52 35 26.05   13.29   12.77   ~ 189 0
12 NGC 4096 GiG 12 06 01.161 +47 28 42.09   11.61   10.86   ~ 271 0
13 NGC 4144 GiG 12 09 58.601 +46 27 25.85   12.17   11.50   ~ 260 0
14 NGC 4203 LIN 12 15 05.0549203560 +33 11 50.383965120   12.98 11.99     ~ 514 2
15 NGC 4228 SBG 12 15 39.174 +36 19 36.80 10.63 10.30 9.93 9.74   ~ 1017 1
16 NGC 4242 GiG 12 17 30.1835103480 +45 37 09.508940220   11.37 10.83     ~ 285 1
17 Z 244-7 GiG 12 21 15.01 +45 48 40.8   14.8       ~ 123 2
18 Z 216-4 GiG 12 27 40.90 +43 29 44.0 13.75 13.10 12.7 12.33   ~ 270 0
19 MCG+07-26-010 EmG 12 28 44.078 +43 13 25.79   16.0       ~ 106 0
20 NGC 4460 H2G 12 28 45.557 +44 51 51.25   12.5       ~ 147 0
21 Z 244-24 GiG 12 29 53.40 +47 31 52.0   14.32   13.44   ~ 84 0
22 NGC 4485 GiP 12 30 31.113 +41 42 04.22 12.10 12.42 11.93 11.93   ~ 305 2
23 NGC 4490 GiG 12 30 34.5 +41 38 26 10.03 10.22 9.79     ~ 616 3
24 Z 188-7 LSB 12 32 48.003 +37 37 18.49   13.40       ~ 124 0
25 NGC 4618 GiP 12 41 32.8976471760 +41 09 03.185175528 11.03 11.22 10.78     ~ 344 2
26 NGC 4625 SyG 12 41 52.7121819576 +41 16 26.115765780 12.74 12.92 12.35     ~ 383 2
27 IC 3687 GiG 12 42 15.1540831512 +38 30 05.844632940   15.5       ~ 153 0
28 NGC 4707 AG? 12 48 21.666 +51 09 53.81   15.2       ~ 113 0
29 IC 4182 BiC 13 05 48.7478324064 +37 36 12.965157684   11.86   11.40   ~ 344 1
30 Z 245-36 AG? 13 14 27.997 +45 55 11.14 13.63 13.26 13.02 12.81   ~ 297 0
31 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
32 NGC 5229 LSB 13 34 02.831 +47 54 55.68   14.6       ~ 149 0
33 MCG-05-56-001 G 23 43 45.549 -31 57 24.37 14.55 14.03 13.73 13.63   ~ 162 1
34 ESO 149-3 AG? 23 52 02.15 -52 34 33.9 15.48 15.10 14.89 14.84 14.9 ~ 88 0
35 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2

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