2016MNRAS.457.1257H

Query : 2016MNRAS.457.1257H

2016MNRAS.457.1257H - Mon. Not. R. Astron. Soc., 457, 1257-1278 (2016/April-1)

The SAMI Galaxy Survey: extraplanar gas, galactic winds and their association with star formation history.

HO I.-T., MEDLING A.M., BLAND-HAWTHORN J., GROVES B., KEWLEY L.J., KOBAYASHI C., DOPITA M.A., LESLIE S.K., SHARP R., ALLEN J.T., BOURNE N., BRYANT J.J., CORTESE L., CROOM S.M., DUNNE L., FOGARTY L.M.R., GOODWIN M., GREEN A.W., KONSTANTOPOULOS I.S., LAWRENCE J.S., LORENTE N.P.F., OWERS M.S., RICHARDS S., SWEET S.M., TESCARI E. and VALIANTE E.

Abstract (from CDS):

We investigate a sample of 40 local, main-sequence, edge-on disc galaxies using integral field spectroscopy with the Sydney-AAO Multi-object Integral field spectrograph (SAMI) Galaxy Survey to understand the link between properties of the extraplanar gas and their host galaxies. The kinematics properties of the extraplanar gas, including velocity asymmetries and increased dispersion, are used to differentiate galaxies hosting large-scale galactic winds from those dominated by the extended diffuse ionized gas. We find rather that a spectrum of diffuse gas-dominated to wind-dominated galaxies exist. The wind-dominated galaxies span a wide range of star formation rates (SFRs; -1 <= log (SFR/M☉/yr) <= 0.5) across the whole stellar mass range of the sample (8.5 <= log (M*/M☉) <= 11). The wind galaxies also span a wide range in SFR surface densities (10–3-10–1.5 M☉/yr/kpc2) that is much lower than the canonical threshold of 0.1 M☉/yr/kpc2. The wind galaxies on average have higher SFR surface densities and higher HδA values than those without strong wind signatures. The enhanced HδA indicates that bursts of star formation in the recent past are necessary for driving large-scale galactic winds. We demonstrate with Sloan Digital Sky Survey data that galaxies with high SFR surface density have experienced bursts of star formation in the recent past. Our results imply that the galactic winds revealed in our study are indeed driven by bursts of star formation, and thus probing star formation in the time domain is crucial for finding and understanding galactic winds.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): galaxies: evolution - galaxies: ISM - galaxies: kinematics and dynamics - galaxies: starburst

Simbad objects: 50

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Number of rows : 50
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 NAME Magellanic Stream HVC 00 32 -30.0           ~ 1079 1
2 NGC 253 SyG 00 47 33.134 -25 17 19.68   8.03   6.94 8.1 ~ 3588 2
3 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
5 NGC 1482 EmG 03 54 38.928 -20 30 08.82 13.15 13.14 12.15 11.29   ~ 313 2
6 SDSS J084638.34+014342.7 G 08 46 38.342 +01 43 42.72           ~ 9 0
7 2MASX J08505286+0115004 Sy2 08 50 52.8973041768 +01 15 00.238231332   19.70 18.90     ~ 18 0
8 LEDA 1223995 G 08 50 57.172 +02 20 46.22           ~ 16 0
9 LEDA 1196839 G 08 51 11.4078099072 +01 30 06.070297716           ~ 20 0
10 LEDA 3354471 G 08 51 59.459 +02 32 36.38           ~ 14 0
11 SDSS J085213.27+012958.6 G 08 52 13.27882 +01 29 58.6854           ~ 11 0
12 LEDA 1153919 G 08 58 05.60971 -00 01 16.1345           ~ 18 0
13 SDSS J091700.13+005038.6 G 09 17 00.13045 +00 50 38.6476           ~ 10 0
14 SDSS J091932.24-002436.2 G 09 19 32.24475 -00 24 36.2387           ~ 9 0
15 LEDA 1171449 GiC 09 19 55.943 +00 38 28.64           ~ 14 0
16 LEDA 1198325 AG? 09 20 34.36992 +01 33 03.9788           ~ 19 0
17 LEDA 1219279 G 09 21 10.41968 +02 12 04.4601           ~ 22 0
18 LEDA 1207413 G 09 23 56.1476020752 +01 50 03.739690500           ~ 14 0
19 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
20 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
21 LEDA 1141490 AG? 11 37 01.67152 -00 30 43.0861   18.405   17.700   ~ 12 0
22 SDSS J114257.14-013220.8 G 11 42 57.149 -01 32 20.85           ~ 8 0
23 LEDA 1125435 AG? 11 59 23.96447 -01 09 15.6569   18.424   17.927   ~ 6 0
24 Z 13-27 AG? 11 59 27.176 -01 09 17.72   16.219   15.309   ~ 23 0
25 2dFGRS TGN312Z006 G 11 59 52.97 -01 05 24.0   18.859   18.327   ~ 7 0
26 LEDA 1118291 AG? 12 02 22.011 -01 27 11.93   17.062   16.106   ~ 13 0
27 2dFGRS TGN383Z062 GiC 12 09 13.126 +01 50 11.68   17.615   16.697   ~ 20 0
28 Z 13-91 AG? 12 10 16.545 +00 37 34.75   15.6   15.063   ~ 24 0
29 NGC 4302 GiC 12 21 42.477 +14 35 51.94   13.4 11.61     ~ 348 0
30 LEDA 1188809 G 12 22 53.388 +01 14 28.76   18.009   17.091   ~ 12 0
31 LEDA 1139914 G 14 10 14.25022 -00 34 42.7985   17.007   16.233   ~ 23 0
32 LEDA 1126389 G 14 10 22.03751 -01 06 54.0353   17.527   16.346   ~ 17 0
33 SDSS J141112.02-005802.5 G 14 11 12.026 -00 58 02.58   18.437   17.697   ~ 10 0
34 Z 18-79 G 14 12 36.4248780600 -01 02 11.023018116   15.6   15.532   ~ 23 0
35 LEDA 1201967 G 14 13 18.959 +01 39 50.96           ~ 15 0
36 LEDA 1184622 G 14 23 28.1808020208 +01 06 07.465820904           ~ 15 0
37 LEDA 1181700 G 14 23 36.2647195872 +01 00 27.448809804   17.304   16.120   ~ 21 0
38 SDSS J142358.19-010742.3 G 14 23 58.195 -01 07 42.30   17.543   17.053   ~ 10 0
39 LEDA 184633 G 14 26 53.068 +00 57 46.35   16.434   15.498   ~ 26 0
40 LEDA 1192571 G 14 27 03.00138 +01 21 45.8669   17.213   16.299   ~ 13 0
41 LEDA 1201169 G 14 28 04.410 +01 38 20.63           ~ 16 0
42 LEDA 1164888 G 14 29 26.2615887912 +00 23 51.339399684   17.472   16.241   ~ 17 0
43 LEDA 1185074 Sy1 14 29 32.54204 +01 07 01.7346     18.84     ~ 21 0
44 Z 19-46 G 14 29 46.058 -00 09 08.62   15.7       ~ 33 0
45 LEDA 1171333 G 14 32 49.776 +00 38 13.07   17.824   17.263   ~ 15 0
46 SDSS J143700.09+003353.0 G 14 37 00.09679 +00 33 53.1179   18.142   17.397   ~ 13 0
47 LEDA 1110031 G 14 46 58.7647998240 -01 47 19.989237408   17.862   16.913   ~ 15 0
48 LEDA 1150325 G 14 51 15.839 -00 09 47.77           ~ 12 0
49 LEDA 1150245 G 14 52 31.95281 -00 09 58.8509           ~ 21 0
50 NGC 5775 GiG 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 460 2

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