2025ApJ...992L...7S

Query : 2025ApJ...992L...7S

2025ApJ...992L...7S - Astrophys. J., 992, L7 (2025/October-2)

Characterization of Two Cool Galaxy Outflow Candidates Using Mid-infrared Emission from Polycyclic Aromatic Hydrocarbons.

SUTTER J., SANDSTROM K., CHOWN R., EGOROV O., LEROY A.K., CHASTENET J., BOLATTO A.D., WILLIAMS T.G., DALE D.A., AMIRI A., BOQUIEN M., CAO Y., DLAMINI S., EMSELLEM E., PAN H.-A., PATHAK D., KIM H., KLESSEN R.S., KOZIOL H., ROSOLOWSKY E., SARBADHICARY S.K., SCHINNERER E., THILKER D.A., UBEDA L. and WEINBECK T.

Abstract (from CDS):

We characterize two candidate cool galactic outflows in two relatively low-mass, highly inclined Virgo cluster galaxies: NGC 4424 and NGC 4694. Previous analyses of observations using the Atacama Large Millimeter/submillimeter Array carbon monoxide (CO) line emission maps did not classify these sources as cool outflow hosts. Using new high-sensitivity, high-spatial-resolution, JWST mid-infrared photometry in the polycyclic aromatic hydrocarbon (PAH)-tracing F770W band, we identify extended structures present off of the stellar disk. The identified structures are bright in the MIRI F770W and F2100W bands, suggesting they include PAHs as well as other dust grains. As PAHs have been shown to be destroyed in hot, ionized gas, these structures are likely to be outflows of cool (T ≤ 104 K) gas. This work represents an exciting possibility for using mid-infrared observations to identify and measure outflows in lower-mass, lower star formation galaxies.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Interstellar medium - Galaxies - Polycyclic aromatic hydrocarbons - Infrared photometry

Simbad objects: 38

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Number of rows : 38
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 55 rG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 828 2
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 LGG 93 GrG 03 23 32 -52 13.0           ~ 12 0
4 IC 1945 GiC 03 29 16.5694615920 -52 37 38.003553696   16.00   14.57   ~ 14 0
5 IC 1954 GiG 03 31 31.393 -51 54 17.54   12.14   11.15 11.8 ~ 149 0
6 NGC 1546 EmG 04 14 36.542 -56 03 38.92 12.15 12.31 10.92 10.84 11.2 ~ 133 1
7 NGC 1559 GiG 04 17 35.7508602240 -62 47 01.251567384   11.19 10.45 10.11 10.4 ~ 325 1
8 NAME NGC 1566 Group GrG 04 20 00.6 -54 56 17           ~ 180 0
9 NGC 1569 rG 04 30 49.186 +64 50 52.52 11.72 11.86 11.03     ~ 1297 3
10 NGC 1809 GiG 05 02 05.008 -69 34 05.82   12.1   11.3 11.4 ~ 69 0
11 NGC 1792 Sy1 05 05 14.4036930408 -37 58 50.064531168   10.68 10.18 9.53 10.4 ~ 261 1
12 NAME NGC 1808 Group GrG 05 08 10.8 -37 42 18           ~ 26 0
13 NGC 2090 GiG 05 47 01.8557074752 -34 15 01.679264784 12.17 11.70 11.20 10.43 11.0 ~ 206 1
14 NGC 2903 AGN 09 32 10.111 +21 30 02.99 10.44 9.75 9.07 8.68   ~ 1204 3
15 NGC 3137 Sy2 10 09 07.478 -29 03 51.48   12.21   10.80 11.9 ~ 83 0
16 NAME NGC 3175 Group GrG 10 10 13.3 -28 49 48           ~ 11 0
17 NGC 3239 AG? 10 25 04.867 +17 09 49.21   13.5       ~ 202 0
18 NGC 3511 EmG 11 03 23.8201544712 -23 05 12.133861188   11.66   10.53 11.1 ~ 182 0
19 NGC 3521 EmG 11 05 48.5680991376 -00 02 09.245076540 10.06 9.83 9.02 10.1 9.6 ~ 879 2
20 NGC 4298 GiC 12 21 32.7578814360 +14 36 22.048690716   12.04 11.34     ~ 358 1
21 NGC 4424 H2G 12 27 11.5741235616 +09 25 14.330453700   13.1       ~ 407 0
22 M 49 Sy2 12 29 46.8 +08 00 01   13.21 12.17     ~ 2174 2
23 NAME Virgo Cluster ClG 12 30 47.8 +12 23 07           ~ 7107 0
24 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
25 NGC 4536 H2G 12 34 27.12887 +02 11 16.3680 11.14 11.16 10.55 17.393   ~ 913 3
26 M 90 Sy2 12 36 49.8009839880 +13 09 46.523813040 10.56 10.26 9.54     ~ 953 1
27 NGC 4654 H2G 12 43 56.638 +13 07 34.86   11.8       ~ 600 1
28 LEDA 43211 LSB 12 47 59.92392 +10 58 14.8966   21       ~ 83 0
29 NGC 4694 AGN 12 48 15.091 +10 59 01.05   13.93 13.36     ~ 302 0
30 NGC 4731 Sy2 12 51 01.095 -06 23 34.98   12.0   16.23 12.0 ~ 197 0
31 LGG 307 GrG 12 51 20.6 -10 00 46           ~ 5 0
32 LGG 314 GrG 12 53 55.1 -06 15 41           ~ 8 0
33 NGC 4781 Sy2 12 54 23.7751070304 -10 32 13.803431280   11.8   11.28 11.7 ~ 167 1
34 M 64 SyG 12 56 43.696 +21 40 57.57   9.36 8.52     ~ 1010 2
35 NGC 4907 LIN 13 00 48.8047215840 +28 09 30.079901916 15.27 14.6 13.81     ~ 95 0
36 NGC 4951 Sy2 13 05 07.7079609936 -06 29 37.815206856   12.5   11.45 12.1 ~ 106 0
37 NGC 5253 rG 13 39 55.990 -31 38 24.11 11.48 10.94 10.49 10.33 13.47 ~ 1421 4
38 NAME NGC 2903 Group GrG ~ ~           ~ 7 0

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