2023MNRAS.525..742G

Query : 2023MNRAS.525..742G

2023MNRAS.525..742G - Mon. Not. R. Astron. Soc., 525, 742-760 (2023/October-2)

Physical parameters of stellar population in star formation regions of galaxies.

GUSEV A.S., SAKHIBOV F., EGOROV O.V., KOSTIUK V.S. and SHIMANOVSKAYA E.V.

Abstract (from CDS):

We present the results of a study of young unresolved stellar groupings (clusters, OB associations, and their complexes) associated with H II regions, based on the coupling of spectroscopic, photometric and H α spectrophotometric observations of star formation regions. Along with our own observations, we use a part of the spectroscopic and H α data from the literature and open data bases. The study is based on the catalogue of 1510 star formation regions with ages ∼10-20 Myr in 19 spiral galaxies, compiled by us earlier. We study the morphology of stellar groupings and their relation with the associated H α emission region. Extinctions, gas chemical abundances, and sizes of star formation regions are measured. Using numerical simple stellar population models computed for metallicities fixed from observations to intrinsic colours of the studied star formation regions, we estimated ages and masses of stellar population of 400 young stellar groupings. Different relations between observational and physical parameters of the young stellar population in star formation regions are discussed.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): H ii regions - galaxies: ISM - galaxies: star clusters: general - galaxies: star formation

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR.

Simbad objects: 25

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Number of rows : 25
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 245 EmG 00 46 05.395 -01 43 24.21   13.7   13.3 12.9 ~ 97 0
2 NGC 266 LIN 00 49 47.8149787992 +32 16 39.786194928 12.98 12.54 11.63     ~ 202 1
3 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
4 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
5 NGC 783 GiG 02 01 06.6095353032 +31 52 56.750490588   12.84       ~ 86 1
6 NGC 1313 AG? 03 18 16.046 -66 29 53.74   10.06 10.0 9.40 10.4 ~ 723 2
7 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
8 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
9 NGC 2336 GiP 07 27 04.050 +80 10 41.05   13.46 12.51     ~ 251 0
10 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
11 NGC 3180 GiG 10 18 16.985 +41 25 27.77   10.4       ~ 777 0
12 NGC 3726 G 11 33 21.1367545656 +47 01 45.280222428   11.11   10.02   ~ 374 0
13 NGC 4136 GiG 12 09 17.7035859024 +29 55 39.419783832   11.69       ~ 244 1
14 M 83 SBG 13 37 00.91920 -29 51 56.7400 8.85 8.11 7.52 7.21   ~ 2778 2
15 NGC 5351 GiG 13 53 27.7184636040 +37 54 54.075242808   13.1       ~ 105 0
16 NGC 5585 GiG 14 19 48.204 +56 43 44.58   11.73 11.216 11.12 10.123 ~ 455 0
17 NGC 5605 Sy2 14 25 07.5404255088 -13 09 46.947195612   12   11.99   ~ 50 0
18 NGC 5665 AG? 14 32 25.796 +08 04 42.43   12.6       ~ 154 0
19 NGC 6217 AGN 16 32 39.2100852960 +78 11 53.487076092   14.37 13.88     ~ 320 0
20 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
21 Z 530-20 GiG 22 16 50.4874969200 +41 30 10.030445748   13.5       ~ 54 0
22 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2
23 NGC 7678 AGN 23 28 27.8628511800 +22 25 16.568913432   15.3       ~ 212 1
24 NGC 7721 GiG 23 38 48.6179569416 -06 31 04.349189496   12.4   12.2 11.9 ~ 156 0
25 IC 1525 GiG 23 59 15.8326855080 +46 53 21.123053088   13.3       ~ 52 0

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