2015ApJS..216...10B

Query : 2015ApJS..216...10B

2015ApJS..216...10B - Astrophys. J., Suppl. Ser., 216, 10 (2015/January-0)

An infrared census of DUST in Nearby Galaxies with Spitzer (DUSTiNGS). I. Overview.

BOYER M.L., McQUINN K.B.W., BARMBY P., BONANOS A.Z., GEHRZ R.D., GORDON K.D., GROENEWEGEN M.A.T., LAGADEC E., LENNON D., MARENGO M., MEIXNER M., SKILLMAN E., SLOAN G.C., SONNEBORN G., VAN LOON J.Th. and ZIJLSTRA A.

Abstract (from CDS):

Nearby resolved dwarf galaxies provide excellent opportunities for studying the dust-producing late stages of stellar evolution over a wide range of metallicity (-2.7 ≲ [Fe/H] ≲ -1.0). Here, we describe DUSTiNGS (DUST in Nearby Galaxies with Spitzer): a 3.6 and 4.5 µm post-cryogen Spitzer Space Telescope imaging survey of 50 dwarf galaxies within 1.5 Mpc that is designed to identify dust-producing asymptotic giant branch (AGB) stars and massive stars. The survey includes 37 dwarf spheroidal, 8 dwarf irregular, and 5 transition-type galaxies. This near-complete sample allows for the building of statistics on these rare phases of stellar evolution over the full metallicity range. The photometry is >75% complete at the tip of the red giant branch for all targeted galaxies, with the exception of the crowded inner regions of IC 10, NGC 185, and NGC 147. This photometric depth ensures that the majority of the dust-producing stars, including the thermally pulsing AGB stars, are detected in each galaxy. The images map each galaxy to at least twice the half-light radius to ensure that the entire evolved star population is included and to facilitate the statistical subtraction of background and foreground contamination, which is severe at these wavelengths. In this overview, we describe the survey, the data products, and preliminary results. We show evidence for the presence of dust-producing AGB stars in eight of the targeted galaxies, with metallicities as low as [Fe/H] = -1.9, suggesting that dust production occurs even at low metallicity.

Abstract Copyright: ∼

Journal keyword(s): galaxies: dwarf - galaxies: photometry - galaxies: stellar content - infrared: stars - Local Group - stars: AGB and post-AGB - stars: mass-loss - stars: winds, outflows

VizieR on-line data: <Available at CDS (J/ApJS/216/10): table1.dat table2.dat dustgsc.dat>

Nomenclature: SSTDUSTF JHHMMSS.ss+DDMMSS.s N=6408491. SSTDUSTG JHHMMSS.ss+DDMMSS.s N=599200.

Simbad objects: 63

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Number of rows : 63
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 MCG-03-01-015 G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 782 2
2 NAME Andromeda XVIII G 00 02 14.5 +45 05 20     16.0     ~ 129 0
3 NAME Andromeda XX G 00 07 30.70 +35 07 56.4     18.2     ~ 77 0
4 And XIX G 00 19 32.10 +35 02 37.1     15.6     ~ 168 0
5 IC 10 rG 00 20 17.33520 +59 18 13.6480   13.6 9.5     ~ 1185 1
6 NAME Cetus Dwarf Galaxy G 00 26 10.8 -11 03 14     13.2     ~ 257 0
7 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 720 1
8 NAME Andromeda III G 00 35 33.8 +36 29 52     14.4     ~ 309 0
9 NAME Andromeda XVII G 00 37 07.0 +44 19 20     15.8     ~ 101 0
10 NGC 185 Sy2 00 38 57.9400026024 +48 20 15.035874648   9.10 9.2     ~ 840 1
11 M 110 GiG 00 40 22.0572349992 +41 41 07.507220136   8.92 8.07     ~ 1370 1
12 NAME Andromeda I G 00 45 39.8 +38 02 28   13.9 12.7     ~ 355 0
13 NAME Andromeda XI G 00 46 20.0 +33 48 05     17.5     ~ 130 0
14 NAME Andromeda XII G 00 47 27.0 +34 22 29     18.3     ~ 124 0
15 NAME M31 Group GrG 00 47 28.6 +40 17 23           ~ 65 0
16 NAME Andromeda XIV G 00 51 35.0 +29 41 49     15.9     ~ 132 0
17 NAME Andromeda XIII G 00 51 51.0 +33 00 16     18.1     ~ 128 0
18 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
19 NAME Andromeda IX G 00 52 53.0 +43 11 45     16.3     ~ 176 1
20 NAME Pisces V G 00 59 29.8 +32 22 36     14.4     ~ 149 0
21 NAME Pisces I G 01 03 55.0 +21 53 06   16.18 14.3     ~ 404 0
22 IC 1613 GiC 01 04 48.4071 +02 07 10.185   10.42 10.01 9.77   ~ 1316 2
23 NAME Andromeda X G 01 06 33.70 +44 48 15.8     16.6     ~ 125 1
24 NAME Andromeda V G 01 10 17.1 +47 37 41     15.3     ~ 215 0
25 NAME Andromeda XV G 01 14 18.7 +38 07 03     14.6     ~ 123 0
26 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 402 0
27 NAME Andromeda XXII G 01 27 40.0 +28 05 25     18.0     ~ 95 0
28 NAME Phoenix Dwarf Galaxy Sy1 01 51 06.3 -44 26 41   13.48 13.2 12.69   ~ 575 2
29 NAME Segue 2 G 02 19 16.0 +20 10 31     15.2     ~ 299 0
30 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
31 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
32 NAME UMa II Galaxy G 08 51 30.0 +63 07 48     13.3     ~ 410 0
33 NAME Leo T G 09 34 53.4 +17 03 05     15.1     ~ 434 0
34 Z 153-10 G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 652 0
35 Z 36-12 H2G 10 00 00.8217342072 +05 20 09.533389560 12.77 12.25 11.89 11.71   ~ 569 0
36 NGC 3109 AG? 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 825 2
37 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 221 1
38 NAME Segue 1 G 10 07 03.2 +16 04 25     15.3     ~ 517 1
39 Z 64-73 G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1284 1
40 MCG-01-26-030 H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 789 2
41 NAME UMa I Galaxy G 10 34 52.80 +51 55 12.0     14.4     ~ 355 1
42 NAME Willman 1 G 10 49 21.0 +51 03 00     15.2     ~ 345 0
43 Z 126-111 G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 899 0
44 NAME Leo V LSB 11 31 09.60 +02 13 12.0     16.0     ~ 234 0
45 NAME Leo IV LSB 11 32 57.0 -00 32 00     15.1     ~ 419 1
46 NAME Coma Dwarf Galaxy G 12 26 59.0 +23 54 15     14.1     ~ 482 1
47 NAME CVn II dSph G 12 57 09.6 +34 19 12     16.1     ~ 287 2
48 NAME Bootes II G 13 58 00.0 +12 51 00     15.4     ~ 269 0
49 NAME Bootes Dwarf Spheroidal Galaxy G 14 00 00.0 +14 30 00     12.8     ~ 491 0
50 Z 318-18 G 15 09 08.0 +67 13 21   13.60 10.6     ~ 1459 0
51 NAME Hercules Dwarf Galaxy G 16 31 02.0 +12 47 30     14.0     ~ 379 1
52 NAME SDG G 18 55 19.0 -30 32 43   4.5 3.6     ~ 2438 2
53 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 323 1
54 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1661 0
55 MCG-02-53-003 G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 470 1
56 NAME Segue 3 Cl* 21 21 31.0 +19 07 02           ~ 75 0
57 NAME Tuc Galaxy G 22 41 49.6 -64 25 10   15.7 15.2     ~ 324 0
58 NAME Pisces II G 22 58 31.0 +05 57 09     16.3     ~ 283 0
59 NAME Andromeda VII GiG 23 26 31.0 +50 40 33   13.6 11.8     ~ 222 1
60 Z 431-72 G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 499 1
61 NAME Andromeda XXI G 23 54 47.7 +42 28 15     14.8     ~ 117 0
62 NAME Galactic Bulge reg ~ ~           ~ 4794 0
63 NAME Local Group GrG ~ ~           ~ 9325 0

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