2000A&A...354..802S

Query : 2000A&A...354..802S

2000A&A...354..802S - Astronomy and Astrophysics, volume 354802-814 (2000/2-3)

Initial mass function in star formation complexes in galaxies.

SAKHIBOV F. and SMIRNOV M.A.

Abstract (from CDS):

Star formation properties (slope α, upper mass limit Mmax of IMF, age t) of 105 star formation complexes (SFCs) in 20 galaxies are estimated by inverting their observed integrated colours into parameters of star formation. Mass functions of individual star formation complexes are studied in three spirals, one irregular and one peculiar galaxy. The derived stellar initial mass functions (IMFs) in the studied galaxies are close to the Salpeter IMF with slopes α∈(-2.06 - -2.57). The calculated star formation rate (SFR) shows a burst of star formation in the peculiar colliding galaxy NGC 4038/39. The changes in star formation properties between different galaxies are related to the changes in individual SFCs mass functions and the correlation of the IMF of individual SFCs with their mass.

Abstract Copyright: ∼

Journal keyword(s): methods: data analysis - stars: formation - stars: luminosity function, mass function - ISM: HII regions - galaxies: star clusters - galaxies: stellar content

Simbad objects: 26

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Number of rows : 26
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 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
2 M 74 G 01 36 41.7451236624 +15 47 01.107512304 10.52 10.00 9.46 9.16   ~ 1934 1
3 NGC 1365 Sy1 03 33 36.458 -36 08 26.37 10.48 10.08 9.63 8.79 9.7 ~ 1987 2
4 IC 342 AGN 03 46 48.514 +68 05 45.98   10.5       ~ 1579 1
5 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
6 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
7 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
8 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
9 NGC 2997 GiG 09 45 38.7542237472 -31 11 27.345810192   9.97 9.41 8.84 9.9 ~ 454 1
10 NGC 3180 GiG 10 18 16.985 +41 25 27.77   10.4       ~ 777 0
11 M 95 GiP 10 43 57.7313485800 +11 42 13.301191332 10.71 10.51 9.73 9.48   ~ 1238 2
12 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
13 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
14 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
15 NGC 4088 AGN 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 428 1
16 NGC 4228 SBG 12 15 39.174 +36 19 36.80 10.63 10.30 9.93 9.74   ~ 1017 1
17 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 1004 2
18 M 61 Sy2 12 21 54.9282582888 +04 28 25.597367184 10.07 10.18 9.65     ~ 1084 1
19 M 100 AGN 12 22 54.9299993592 +15 49 20.296257960 10.04 10.05 9.35     ~ 1963 2
20 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1192 1
21 M 63 LIN 13 15 49.2741893928 +42 01 45.728076108   9.34 8.59 8.35   ~ 1292 2
22 M 51 Sy2 13 29 52.698 +47 11 42.93   9.26 8.36 8.40   ~ 4565 4
23 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
24 M 101 GiP 14 03 12.583 +54 20 55.50   8.46 7.86 7.76   ~ 3138 2
25 NGC 6946 H2G 20 34 52.332 +60 09 13.24   10.5       ~ 2661 2
26 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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