2005AJ....130..524M

Query : 2005AJ....130..524M

2005AJ....130..524M - Astron. J., 130, 524-538 (2005/August-0)

Triggering and feedback: the relation between the H I gas and the starburst in the dwarf galaxy NGC 1569.

MUHLE S., KLEIN U., WILCOTS E.M. and HUTTEMEISTER S.

Abstract (from CDS):

As part of our study on the impact of violent star formation on the interstellar medium (ISM) of dwarf galaxies, we report observations of neutral atomic hydrogen (H I) in the starburst dwarf galaxy NGC 1569. High-resolution measurements with the Very Large Array (B, C, and D configuration) are aimed at identifying morphological and kinematical signatures in H I caused by the starburst. Our kinematical data suggest a huge hole in the H I distribution, probably due to the large number of supernovae explosions in the center of the galaxy over the past 20 Myr. Investigating the large-scale H I structure, we confirm the existence of a possible H I companion and a so-called H I bridge east of NGC 1569. Furthermore, we report the detection of additional low-intensity H I halo emission, which leads us to suggest a revised halo structure. On the basis of our new picture, we discuss the origin of the halo gas and possible implications for the evolution of the starburst in NGC 1569.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Dwarf - galaxies: individual (NGC 1569) - Galaxies: Starburst - ISM: H I

Nomenclature: Fig.3, Table 2: [MKW2005] JHHMMSS+DDMMSS N=8. Fig.12, Table 3: [MKW2005] AN (Nos A, B1-B3, C, S1-S4), [MKW2005] An (No. Bn).

Errata: erratum vol. 132, p.443 (2006)

Simbad objects: 53

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Number of rows : 53
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 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 QSO B0134+3253 QSO 01 37 40.679 +33 08 55.50     21.20     ~ 26 0
3 NAME IC 342 Group GrG 03 48 42 +68 00.8           ~ 102 1
4 [MKW2005] A HI 04 30 02 +64 50.7           ~ 1 1
5 [MKW2005] S3 HI 04 30 11 +64 47.7           ~ 2 2
6 [MKW2005] S2 HI 04 30 24 +64 46.2           ~ 2 2
7 NAME NGC 1569 HI Arm HI 04 30 25 +64 51.4           ~ 2 0
8 [MKW2005] J043040+645112 HI 04 30 40 +64 51.2           ~ 1 0
9 [MKW2005] J043046+644922 HI 04 30 46 +64 49.4           ~ 1 0
10 [MKW2005] S1 HI 04 30 47 +64 45.7           ~ 2 2
11 NAME NGC 1569 CL* A Cl* 04 30 48.2 +64 50 59   15.45 15.22     ~ 106 1
12 [MKW2005] J043049+644909 HI 04 30 49 +64 49.2           ~ 1 0
13 NAME NGC 1569 CL* B Cl* 04 30 49.0 +64 50 53           ~ 77 0
14 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
15 NAME NGC 1569 HI Disk Cl* 04 30 49.86 +64 50 50.6           ~ 8 0
16 [HHG93] NGC 1569 8 PoG 04 30 50.1 +64 48 57           ~ 7 0
17 [HHG93] NGC 1569 7 PoG 04 30 50.4 +64 49 21           ~ 6 0
18 [MKW2005] J043051+645055 HI 04 30 51 +64 50.9           ~ 1 0
19 [MKW2005] J043056+644923 HI 04 30 56 +64 49.4           ~ 1 0
20 [MKW2005] B3 HI 04 31 01 +64 47.1           ~ 1 1
21 NAME NGC 1569 HI Bridge HI 04 31 17 +64 47.3           ~ 6 0
22 [MKW2005] B2 HI 04 31 17 +64 47.3           ~ 1 1
23 [MKW2005] B1 HI 04 31 34 +64 47.4           ~ 1 1
24 [MKW2005] Bn HI 04 31 49 +64 52.4           ~ 1 1
25 UGCA 92 AG? 04 32 03.8366 +63 36 51.243   16.15       ~ 128 0
26 NAME NGC 1569-HI HI 04 32 09 +64 49.4           ~ 8 1
27 Cl Berkeley 21 245 * 05 51 34.4803217856 +21 48 29.280682548   18.878 17.55     ~ 16 0
28 Cl Berkeley 21 156 RG* 05 51 38.4463151936 +21 47 19.707183593   17.44 15.666     ~ 17 0
29 Cl* Berkeley 21 TPM 51 RG* 05 51 42.0410761998 +21 48 02.814846629   17.395 15.694   13.63 ~ 20 0
30 Cl* Berkeley 21 TPM 67 * 05 51 44.8308987944 +21 48 50.451097033   16.946 14.993     ~ 12 1
31 Cl Berkeley 21 191 RG* 05 51 49.4450181519 +21 46 59.815944584   17.555 15.823     ~ 16 0
32 Cl* Berkeley 21 TPM 405 * 05 51 53.493 +21 51 00.12   21.54 20.308     ~ 2 0
33 Cl* Berkeley 21 TPM 406 * 05 51 53.6129822809 +21 51 01.353667720   19.379 18.395     ~ 6 0
34 8C 0609+607 Bla 06 14 23.86617701 +60 46 21.7559176   20 19.1 18.8   ~ 74 1
35 NGC 2298 GlC 06 48 59.41 -36 00 19.1     8.89     ~ 547 0
36 Cl* Berkeley 29 K 412 * 06 53 01.5859318992 +16 56 21.423861348   17.622 16.639     ~ 17 0
37 Cl* Berkeley 29 BHT 994 * 06 53 03.8704907659 +16 55 15.775937382   16.15 14.718     G6III 22 0
38 Cl* Berkeley 29 K 556 V* 06 53 04.3452111864 +16 56 03.175155204   17.574 16.596 16.30   ~ 6 0
39 2MASS J06530436+1655541 AB? 06 53 04.3694467911 +16 55 54.223065704   15.39 13.99 13.85   M0.0III 21 0
40 2MASS J06530711+1657129 AB? 06 53 07.1154547008 +16 57 12.964268088   16.091 14.616     M0.0III 19 0
41 Cl* Berkeley 29 K 801 * 06 53 08.0629268784 +16 55 40.580477220   17.542 16.579     G6III 18 0
42 [MKW2005] S4 HI 06 56 +64.8           ~ 2 2
43 Cl* Berkeley 31 PJM 1065 * 06 57 34.7104745112 +08 15 42.618051108   17.21 26.28     ~ 1 0
44 Cl* Berkeley 31 PJM 720 * 06 57 39.6536228304 +08 15 23.653359684   17.40 16.32     ~ 1 0
45 Cl* Berkeley 31 PJM 728 * 06 57 41.0 +08 17 20   15.19 13.84     ~ 1 0
46 Z 332-57 LSB 09 40 32.33 +71 10 56.0 14.53 14.00 13.66 13.41   ~ 372 1
47 IC 2574 AG? 10 28 23.6148831408 +68 24 43.440012756 11.70 11.07 10.87 10.74   ~ 703 1
48 M 99 H2G 12 18 49.625 +14 24 59.36 10.45 10.44 9.87     ~ 1004 2
49 Z 216-4 GiG 12 27 40.90 +43 29 44.0 13.75 13.10 12.7 12.33   ~ 270 0
50 NGC 4449 EmG 12 28 11.118 +44 05 36.81 10.11 9.98 9.64 9.45   ~ 1192 1
51 * alf Boo RG* 14 15 39.67207 +19 10 56.6730 2.46 1.18 -0.05 -1.03 -1.68 K1.5IIIFe-0.5 2417 1
52 M 71 GlC 19 53 46.49 +18 46 45.1           ~ 1190 0
53 [HHG93] NGC 1569 6 PoG ~ ~           ~ 6 1

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