2024A&A...688A.109D

Query : 2024A&A...688A.109D

2024A&A...688A.109D - Astronomy and Astrophysics, volume 688A109 (2024/8-1)

MHONGOOSE: A MeerKAT nearby galaxy H I survey.

DE BLOK W.J.G., HEALY J., MACCAGNI F.M., PISANO D.J., BOSMA A., ENGLISH J., JARRETT T., MARASCO A., MEURER G.R., VERONESE S., BIGIEL F., CHEMIN L., FRATERNALI F., HOLWERDA B.W., KAMPHUIS P., KLOCKNER H.R., KLEINER D., LEROY A.K., MOGOTSI M., OMAN K.A., SCHINNERER E., VERDES-MONTENEGRO L., WESTMEIER T., WONG O.I., ZABEL N., AMRAM P., CARIGNAN C., COMBES F., BRINKS E., DETTMAR R.J., GIBSON B.K., JOZSA G.I.G., KORIBALSKI B.S., McGAUGH S.S., OOSTERLOO T.A., SPEKKENS K., SCHRODER A.C., ADAMS E.A.K., ATHANASSOULA E., BERSHADY M.A., BESWICK R.J., BLYTH S., ELSON E.C., FRANK B.S., HEALD G., HENNING P.A., KURAPATI S., LOUBSER S.I., LUCERO D., MEYER M., NAMUMBA B., OH S.-H., SARDONE A., SHETH K., SMITH M.W.L., SORGHO A., WALTER F., WILLIAMS T., WOUDT P.A. and ZIJLSTRA A.

Abstract (from CDS):

The MHONGOOSE (MeerKAT H I Observations of Nearby Galactic Objects: Observing Southern Emitters) survey maps the distribution and kinematics of the neutral atomic hydrogen (H I) gas in and around 30 nearby star-forming spiral and dwarf galaxies to extremely low H I column densities. The H I column density sensitivity (3σ over 16 km s–1) ranges from ∼5 × 1017 cm–2 at 90″ resolution to ∼4 × 1019 cm–2 at the highest resolution of 7″. The H I mass sensitivity (3σ over 50 km s–1) is ∼5.5 × 105 M⊙ at a distance of 10 Mpc (the median distance of the sample galaxies). The velocity resolution of the data is 1.4 km s–1. One of the main science goals of the survey is the detection of cold accreting gas in the outskirts of the sample galaxies. The sample was selected to cover a range in H I masses from 107 M⊙ to almost 1011 M⊙ in order to optimally sample possible accretion scenarios and environments. The distance to the sample galaxies ranges from 3 to 23 Mpc. In this paper, we present the sample selection, survey design, and observation and reduction procedures. We compared the integrated H I fluxes based on the MeerKAT data with those derived from single-dish measurement and find good agreement, indicating that our MeerKAT observations are recovering all flux. We present H I moment maps of the entire sample based on the first ten percent of the survey data, and find that a comparison of the zeroth- and second-moment values shows a clear separation in the physical properties of the H I between areas with star formation and areas without related to the formation of a cold neutral medium. Finally, we give an overview of the H I-detected companion and satellite galaxies in the 30 fields, five of which have not previously been cataloged. We find a clear relation between the number of companion galaxies and the mass of the main target galaxy.

Abstract Copyright: © The Authors 2024

Journal keyword(s): galaxies: dwarf - galaxies: evolution - galaxies: ISM - galaxies: spiral - radio lines: galaxies

Simbad objects: 89

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Number of rows : 89
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 ESO 349-31 AG? 00 08 13.1536 -34 34 47.836   15.54   14.99   ~ 156 3
2 ESO 473-24 AG? 00 31 22.51 -22 45 57.5   16.11   15.87 17.7 ~ 62 1
3 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
4 NGC 247 LSB 00 47 08.554 -20 45 37.44 10.11 9.61 9.10 8.87   ~ 480 2
5 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
6 MCG-04-03-019 G 00 49 49.3 -21 00 58 16.11 15.64 15.36 14.8 15.5 ~ 144 1
7 LEDA 715942 G 00 51 51.8 -30 32 49           ~ 3 0
8 2dFGRS TGS370Z277 G 00 52 25.69 -30 54 25.9   19.288   18.831   ~ 2 0
9 NGC 289 Sy2 00 52 42.365 -31 12 20.99   11.36 13.44 10.38 11.4 ~ 256 0
10 ESO 411-26 AG? 00 52 45.37 -31 43 05.3   15.90   14.99   ~ 35 0
11 LEDA 712303 EmG 00 53 30.21 -30 50 31.5   16.618   16.043   ~ 8 0
12 ESO 411-31 AG? 00 55 42.30 -30 32 24.1   15.26   14.72   ~ 17 0
13 M 33 GiG 01 33 50.8965749232 +30 39 36.630403128 6.17 6.27 5.72     ~ 6226 1
14 NGC 625 AGN 01 35 04.632 -41 26 10.32 12.37 11.78 11.25 11.03 11.5 ~ 312 2
15 LEDA 583148 G 03 08 37.5 -40 43 32           ~ 2 0
16 MCG-07-07-007 LSB 03 09 38.398 -41 01 54.23   13.12   12.10 12.8 ~ 78 0
17 LEDA 200114 G 03 09 48.0 -41 39 25           ~ 4 0
18 ESO 300-16 AG? 03 10 10.48 -40 00 10.5   15.56   14.95   ~ 32 0
19 LEDA 88064 EmG 03 10 59.22 -41 39 39.7   17.8 17.5     ~ 7 0
20 NGC 1311 Sy2 03 20 06.946 -52 11 07.76 13.89 13.35 12.93 12.75 13.1 ~ 136 0
21 NGC 1316 rG 03 22 41.789 -37 12 29.52 9.81 9.15 8.53 7.66   ~ 1491 1
22 LEDA 457253 G 03 30 11.2 -51 21 15           ~ 3 0
23 IC 1954 GiG 03 31 31.393 -51 54 17.54   12.14   11.15 11.8 ~ 149 0
24 MKT J033131.9-520400 Rad 03 31 31.90 -52 04 00.0           ~ 1 0
25 NGC 1367 EmG 03 35 01.3451198496 -24 55 59.504904516   11.48   9.98 11.1 ~ 209 0
26 ESO 200-45 EmG 03 35 02.26 -51 27 12.9   16.24   15.25 15.5 ~ 19 0
27 MCG-04-09-032 LSB 03 36 17.381 -25 36 16.92   15.15   13.91   ~ 40 0
28 MCG-04-09-034 EmG 03 36 53.694 -24 54 47.07   15.17   14.20 14.8 ~ 43 0
29 NGC 1385 EmG 03 37 28.323 -24 30 04.60 11.28 11.50 10.94 10.45 11.7 ~ 318 2
30 ESO 302-14 GiG 03 51 40.90 -38 27 08.0   14.84   14.54 14.8 ~ 60 0
31 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
32 LEDA 75137 LSB 04 20 26.74 -54 44 27.5   16.33       ~ 8 0
33 LEDA 414611 rG 04 22 00.7 -54 54 42           ~ 4 0
34 NGC 1581 GiG 04 24 44.9207289696 -54 56 31.345216980   13.36   12.24   ~ 59 0
35 NGC 1592 GiP 04 29 40.8436558272 -27 24 31.344240564 13.42 13.94 14.09 13.46 13.12 ~ 62 0
36 ESO 118-34 GiG 04 40 17.485 -58 44 39.40   13.50 13.52 12.67 13.4 ~ 62 0
37 ESO 118-42 G 04 45 28.70 -59 04 23.5   15.57   15.14   ~ 7 0
38 NGC 1672 SyG 04 45 42.552 -59 14 50.68 10.29 10.53 9.68 9.53 10.2 ~ 461 2
39 ESO 119-3 LSB 04 48 08.0 -59 25 01   17.39   17.35   ~ 8 0
40 NGC 1688 GiG 04 48 23.789 -59 48 01.11   12.57   11.82 12.1 ~ 86 0
41 NGC 1705 Sy2 04 54 13.4661493464 -53 21 39.471592428 12.32 12.96 12.56 12.58 12.9 ~ 692 1
42 MKT J045920.2-252959 Rad 04 59 20.20 -25 29 59.8           ~ 1 0
43 NGC 1744 LSB 04 59 57.7383643080 -26 01 19.840639764 12.43 11.90 11.41 11.20 11.7 ~ 159 0
44 MCG-04-12-041 AG? 05 03 19.69 -25 25 22.5 14.89 14.41 14.03 13.87 14.0 ~ 65 0
45 WISEA J051522.96-370331.3 MIR 05 15 23.10 -37 03 31.1           ~ 1 0
46 MCG-06-12-012 AG? 05 16 38.800 -37 06 09.07   13.05   11.78 12.5 ~ 91 0
47 LEDA 630916 G 05 16 40.0 -36 55 16           ~ 3 0
48 ESO 362-16 LSB 05 19 18.48 -37 06 17.4   16.06   15.36 15.7 ~ 19 0
49 ESO 204-28 IG 05 41 46.2 -51 44 31   16.39   15.90   ~ 3 0
50 ESO 159-25 EmG 05 43 06.3661 -52 42 21.595   15.54   14.27 15.6 ~ 31 0
51 ESO 204-34 G 05 44 41.5 -51 57 50   14.99   14.20   ~ 7 0
52 NGC 2101 AG? 05 46 24.17 -52 05 18.7   13.68   12.70 14.0 ~ 67 0
53 NGC 2104 EmG 05 47 04.772 -51 33 10.61   13.52   12.27 13.1 ~ 67 0
54 LEDA 454649 G 05 47 30.7 -51 35 45           ~ 3 0
55 MKT J054753.5-515635 Rad 05 47 53.50 -51 56 35.9           ~ 1 0
56 NGC 2403 AGN 07 36 51.3381434280 +65 36 09.650825640 9.31 8.84 8.38 8.19   ~ 1887 1
57 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
58 NAME M 81 Triplet GrG 09 56.0 +69 00           ~ 26 1
59 NGC 3511 EmG 11 03 23.8201544712 -23 05 12.133861188   11.66   10.53 11.1 ~ 182 0
60 NGC 3513 EmG 11 03 46.080 -23 14 43.73   12.16   11.11   ~ 131 0
61 LEDA 3097702 AG? 11 06 11.6526 -14 24 21.213   15.8       ~ 19 0
62 ESO 440-14 H2G 11 50 03.20 -28 40 17.1   15.91   15.06   ~ 31 0
63 6dFGS gJ115153.3-281047 EmG 11 51 53.27 -28 10 46.8   15.7       ~ 8 0
64 ESO 440-23 AG? 11 52 33.40 -29 07 19.4   16.29   15.34   ~ 16 0
65 LEDA 746393 G 11 53 10.3 -28 03 24           ~ 3 0
66 MCG-05-28-015 EmG 11 53 24.064 -28 33 11.39   13.19   12.11 12.5 ~ 74 0
67 LEDA 737259 G 11 54 14.8 -28 48 12           ~ 3 0
68 ESO 440-30 AG? 11 55 25.58 -28 44 08.3   15.58   14.62   ~ 13 0
69 MKT J125225.4-124304 Rad 12 52 25.40 -12 43 04.1           ~ 2 0
70 MCG-02-33-047 GiG 12 53 56.5587 -12 06 19.455   14.0   14.2 14.1 ~ 59 0
71 NGC 4781 Sy2 12 54 23.7751070304 -10 32 13.803431280   11.8   11.28 11.7 ~ 167 1
72 LCRS B125209.0-112324 G 12 54 45.98 -11 39 39.4           ~ 2 0
73 NGC 4790 GiG 12 54 51.9413201400 -10 14 52.268425260   12   12.12   ~ 98 0
74 2MASX J12551835-1103580 G 12 55 18.351 -11 03 58.02           ~ 2 0
75 UGCA 308 AG? 12 55 31.5457 -10 23 30.774   17       ~ 11 0
76 NGC 4804 EmG 12 55 49.6669627200 -12 03 18.748939464   12   14.74   ~ 58 0
77 MCG-03-33-027 GiP 13 02 14.39 -17 14 15.1 15.59 14.82 14.34 14.23   ~ 79 0
78 MCG-03-33-030 GiP 13 03 16.736 -17 25 22.91 13.98 13.42 13.09 12.96 13.3 ~ 135 0
79 LEDA 886203 G 13 05 03.8 -17 15 26           ~ 4 0
80 NGC 5068 AG? 13 18 54.807 -21 02 20.76 11.24 10.53 10.01 9.78 10.1 ~ 354 0
81 GALEXASC J132108.25-313149.7 AG? 13 21 08.20 -31 31 45.0           ~ 2 0
82 LEDA 166163 G 13 21 08.5 -31 31 50   17.4       ~ 59 0
83 LEDA 46885 GiC 13 24 36.23 -30 58 18.5   16.67   17.33   ~ 61 1
84 ESO 444-84 GiC 13 37 19.99 -28 02 42.0 16.04 15.34 15.05 15.05 14.9 ~ 133 1
85 IC 4951 EmG 20 09 31.77 -61 51 01.7 14.74 14.23 13.84 13.68 14.0 ~ 73 0
86 MKT J225656.8-411815 Rad 22 56 56.80 -41 18 15.9           ~ 1 0
87 NGC 7424 EmG 22 57 18.3924511080 -41 04 14.124670032   10.88 10.38 10.02 10.9 ~ 236 0
88 NGC 7793 GiG 23 57 49.7540045856 -32 35 27.701550744 10.26 9.74 9.28 9.06 9.7 ~ 1188 2
89 NAME Local Group GrG ~ ~           ~ 9325 0

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