2017ApJ...834..186D

Query : 2017ApJ...834..186D

2017ApJ...834..186D - Astrophys. J., 834, 186-186 (2017/January-2)

Determining the large-scale environmental dependence of gas-phase metallicity in dwarf galaxies.

DOUGLASS K.A. and VOGELEY M.S.

Abstract (from CDS):

We study how the cosmic environment affects galaxy evolution in the universe by comparing the metallicities of dwarf galaxies in voids with dwarf galaxies in more dense regions. Ratios of the fluxes of emission lines, particularly those of the forbidden [O III] and [S II] transitions, provide estimates of a region's electron temperature and number density. From these two quantities and the emission line fluxes [O II] λ3727, [O III] λ4363, and [O III] λλ4959, 5007, we estimate the abundance of oxygen with the direct Te method. We estimate the metallicity of 42 blue, star-forming void dwarf galaxies and 89 blue, star-forming dwarf galaxies in more dense regions using spectroscopic observations from the Sloan Digital Sky Survey Data Release 7, as reprocessed in the MPA-JHU value-added catalog. We find very little difference between the two sets of galaxies, indicating little influence from the large-scale environment on their chemical evolution. Of particular interest are a number of extremely metal-poor dwarf galaxies that are less prevalent in voids than in the denser regions.

Abstract Copyright: © 2017. The American Astronomical Society. All rights reserved.

Journal keyword(s): galaxies: abundances - galaxies: dwarf - galaxies: evolution - galaxies: evolution

VizieR on-line data: <Available at CDS (J/ApJ/834/186): table1.dat>

Simbad objects: 135

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Number of rows : 135
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 SDSS J073003.58+432245.1 EmG 07 30 03.592 +43 22 45.16           ~ 15 0
2 SDSS J073735.27+321311.8 G 07 37 35.2729349424 +32 13 11.877639780           ~ 4 0
3 SDSS J073829.12+300438.0 G 07 38 29.12743 +30 04 37.9955           ~ 5 0
4 SDSS J075212.03+462339.9 AG? 07 52 12.0412455000 +46 23 39.998512212           ~ 3 0
5 SDSS J075623.01+220115.1 G 07 56 23.01437 +22 01 15.1497           ~ 4 0
6 SDSS J080041.21+533823.5 G 08 00 41.20802 +53 38 23.6251           ~ 2 0
7 SDSS J080953.52+291705.0 G 08 09 53.521 +29 17 05.05           ~ 6 0
8 SDSS J081750.41+252921.5 G 08 17 50.4237693048 +25 29 21.521125356           ~ 4 0
9 SDSS J082031.61+214328.8 G 08 20 31.611 +21 43 28.82           ~ 3 0
10 SDSS J082332.78+270752.7 G 08 23 32.7932665416 +27 07 52.761909324           ~ 3 0
11 SDSS J083055.39+421324.3 G 08 30 55.39686 +42 13 24.3448           ~ 4 0
12 HS 0828+4346 EmG 08 31 56.3315216496 +43 36 12.682416384   18.4       ~ 4 0
13 LEDA 3996793 G 08 40 45.43786 +32 03 15.7332           ~ 6 0
14 SDSS J084310.71+430853.5 G 08 43 10.71932 +43 08 53.5375           ~ 4 0
15 SDSS J084500.34+271647.0 G 08 45 00.34284 +27 16 47.0531           ~ 4 0
16 SDSS J084936.32+545810.4 H2G 08 49 36.3253950864 +54 58 10.501069440           ~ 5 0
17 SDSS J085522.08+392310.0 G 08 55 22.08697 +39 23 09.9870           ~ 4 0
18 SDSS J085548.98+034041.0 G 08 55 48.981 +03 40 41.03           ~ 2 0
19 SDSS J085844.96+502958.7 G 08 58 44.96417 +50 29 58.6870           ~ 2 0
20 SDSS J090158.05+285816.8 G 09 01 58.05532 +28 58 16.7874           ~ 4 0
21 SDSS J090249.80+371533.1 G 09 02 49.80774 +37 15 33.1528           ~ 3 0
22 SDSS J090447.10+404829.1 G 09 04 47.1081959568 +40 48 29.164523652           ~ 4 0
23 SDSS J090457.96+412936.4 G 09 04 57.96738 +41 29 36.4320           ~ 5 0
24 SDSS J092004.27-003008.9 G 09 20 04.2645604968 -00 30 08.912985048           ~ 10 0
25 SDSS J092145.81+381809.7 G 09 21 45.81234 +38 18 09.7323           ~ 2 0
26 SDSS J092524.23+001240.3 G 09 25 24.238 +00 12 40.39           ~ 9 0
27 SDSS J093139.60+494956.4 G 09 31 39.60617 +49 49 56.4510           ~ 2 0
28 SDSS J093453.53+524420.9 G 09 34 53.53510 +52 44 20.9163           ~ 5 0
29 SDSS J093620.29+415033.7 G 09 36 20.29413 +41 50 33.7681           ~ 3 0
30 SDSS J093909.37+005904.2 G 09 39 09.37901 +00 59 04.1959           ~ 8 0
31 [PVK2003] 145.42427 +46.99157 G 09 41 41.832 +46 59 29.72           ~ 3 0
32 SDSS J094452.28+361728.6 G 09 44 52.28088 +36 17 28.6039           ~ 5 0
33 SDSS J094852.81+143138.9 G 09 48 52.8140650200 +14 31 38.978729472           ~ 4 0
34 SDSS J094941.83+152419.5 G 09 49 41.8423145976 +15 24 19.282653540           ~ 3 0
35 LEDA 2307829 G 09 50 40.634 +47 57 56.97           ~ 5 0
36 [PVK2003] 147.83838 +57.93145 G 09 51 21.2171023536 +57 55 53.347914624           ~ 3 0
37 SDSS J095125.06+015513.6 G 09 51 25.06775 +01 55 13.6445           ~ 3 0
38 SDSS J095604.31+464140.5 G 09 56 04.31557 +46 41 40.6033           ~ 2 0
39 SDSS J100036.24+542012.3 G 10 00 36.24206 +54 20 12.3003           ~ 2 0
40 SDSS J100241.40+325940.1 G 10 02 41.405 +32 59 40.10           ~ 3 0
41 SDSS J101028.77+162813.0 G 10 10 28.7743742688 +16 28 13.046006676           ~ 2 0
42 SDSS J101116.62+160020.1 G 10 11 16.61638 +16 00 20.0470           ~ 5 0
43 SDSS J101328.15+545544.3 G 10 13 28.158 +54 55 44.30           ~ 2 0
44 LEDA 3464105 G 10 15 02.61006 +07 48 26.0412           ~ 7 0
45 SDSS J101711.84+575521.4 G 10 17 11.8384865592 +57 55 21.445650372           ~ 4 0
46 SDSS J102346.09+370638.0 G 10 23 46.096 +37 06 38.04           ~ 2 0
47 LEDA 1988032 AG? 10 30 47.707 +32 15 02.11           ~ 9 0
48 LEDA 3466828 G 10 33 01.1392483224 +54 02 18.022709616           ~ 4 0
49 LEDA 4251096 G 10 46 12.17846 +21 31 37.4135           ~ 6 0
50 SDSS J105142.83+071740.8 G 10 51 42.82970 +07 17 40.8849           ~ 7 0
51 SDSS J105515.96+372542.6 G 10 55 15.969 +37 25 42.62           ~ 2 0
52 SDSS J105921.21+193736.2 G 10 59 21.2158805592 +19 37 36.206385636           ~ 6 0
53 SDSS J110241.51+440345.8 G 11 02 41.5201384560 +44 03 45.813863556           ~ 7 0
54 LEDA 2274663 G 11 05 39.410 +46 03 28.38           ~ 6 0
55 SDSS J110546.58+043427.4 G 11 05 46.58231 +04 34 27.4521           ~ 3 0
56 LEDA 2790911 EmG 11 05 51.1666825320 +42 58 09.132181644   17.5       ~ 8 0
57 SDSS J110619.25+153227.9 G 11 06 19.2639147456 +15 32 27.856537152           ~ 7 0
58 LEDA 4015679 AG? 11 06 41.008 +45 19 09.31           ~ 4 0
59 HS 1107+3712 EmG 11 10 02.6215315392 +36 56 04.700730516   17.6       ~ 3 0
60 SDSS J111123.73+454131.6 G 11 11 23.7306552408 +45 41 31.773765516           ~ 3 0
61 SDSS J111612.04+182625.4 G 11 16 12.04932 +18 26 25.5071           ~ 5 0
62 SDSS J111733.06+454020.7 G 11 17 33.0687495096 +45 40 20.832800412           ~ 6 0
63 LEDA 1584525 G 11 19 10.25207 +19 13 04.0751           ~ 6 0
64 SDSS J111959.99+343800.2 H2G 11 19 59.99823 +34 38 00.2312           ~ 3 0
65 LEDA 3474196 G 11 42 03.04520 +49 21 24.7049           ~ 4 0
66 SDSS J114513.15-014817.6 G 11 45 13.158 -01 48 17.62   18.270   17.665   ~ 6 0
67 SDSS J114858.97+210510.7 G 11 48 58.97876 +21 05 10.7672           ~ 5 0
68 SDSS J115149.13+313014.5 H2G 11 51 49.1269974024 +31 30 14.631769332           ~ 6 0
69 LEDA 1723753 G 11 52 32.75641 +25 02 35.5445           ~ 3 0
70 SDSS J115523.95+115551.1 G 11 55 23.96356 +11 55 51.2010           ~ 2 0
71 LEDA 2273282 G 11 57 26.811 +45 58 10.61           ~ 5 0
72 SDSS J115908.00+444511.7 G 11 59 08.00079 +44 45 11.7413           ~ 5 0
73 SDSS J120447.18+471404.8 G 12 04 47.18792 +47 14 04.8151           ~ 5 0
74 HS 1202+3732 EmG 12 05 09.6665756904 +37 16 13.447661268   18.7       ~ 5 0
75 SDSS J121107.57+420415.4 G 12 11 07.57917 +42 04 15.4231           ~ 4 0
76 LBQS 1214+1432 EmG 12 16 39.45665 +14 15 37.0525   17.7       ~ 9 0
77 LEDA 2217820 G 12 17 14.02021 +43 18 53.3347           ~ 6 0
78 HS 1216+4148 H2G 12 19 19.39729 +41 32 17.9046   17.83       ~ 5 0
79 SDSS J122215.32+281853.1 G 12 22 15.32449 +28 18 53.0700           ~ 7 0
80 SDSS J123200.64+043902.1 G 12 32 00.6408500160 +04 39 02.193212700           ~ 4 0
81 LEDA 4002576 G 12 33 13.64474 +11 10 28.4297           ~ 6 0
82 SDSS J124219.03+140629.1 G 12 42 19.03657 +14 06 29.1313           ~ 2 0
83 LEDA 2223005 EmG 12 47 38.6022741984 +43 31 55.966008648           ~ 5 0
84 SDSS J125923.52+152137.7 G 12 59 23.52938 +15 21 37.7612           ~ 5 0
85 SDSS J130249.17+653449.6 H2G 13 02 49.1702998488 +65 34 49.049954940           ~ 7 0
86 LEDA 101481 GiC 13 03 41.9000539368 +33 09 33.860161512           ~ 5 0
87 SDSS J130821.42+113055.0 G 13 08 21.42845 +11 30 55.0267           ~ 11 0
88 SDSS J131219.04+340201.1 G 13 12 19.0545025104 +34 02 01.087301148           ~ 3 0
89 SDSS J131225.05+582540.5 G 13 12 25.0513269168 +58 25 40.604700900           ~ 4 0
90 SDSS J131235.15+125743.3 H2G 13 12 35.1939765372 +12 57 43.601703768           ~ 7 0
91 LEDA 1161018 G 13 13 24.26327 +00 15 02.9443   18.59       ~ 7 0
92 SDSS J131817.81+021259.8 G 13 18 17.81583 +02 12 59.8408   18.201   17.473   ~ 6 0
93 SDSS J132739.84+505409.4 G 13 27 39.84871 +50 54 09.4232           ~ 4 0
94 LEDA 3555970 G 13 29 02.431 +10 54 55.83           ~ 4 0
95 SDSS J132918.77+123936.8 G 13 29 18.76980 +12 39 36.8431           ~ 3 0
96 KISS F1330-5795 SBG 13 29 56.5557057960 +29 46 19.334265060   17.99 17.73     ~ 9 0
97 SDSS J133048.44+121628.1 G 13 30 48.44773 +12 16 28.1016           ~ 2 0
98 SDSS J133516.22+282859.7 G 13 35 16.22956 +28 28 59.7358   18.276       ~ 4 0
99 SDSS J134031.20+145152.2 G 13 40 31.20024 +14 51 52.2324           ~ 4 0
100 LEDA 3994907 G 13 44 37.63139 -01 15 52.5981           ~ 3 0
101 LEDA 1660476 G 13 45 45.25299 +21 56 50.7210           ~ 5 0
102 SDSS J134702.05+323259.5 G 13 47 02.05734 +32 32 59.5226           ~ 3 0
103 LEDA 3483513 G 13 48 36.876 +48 52 58.22           ~ 5 0
104 SDSS J135401.01+203034.8 G 13 54 01.0091073696 +20 30 34.748451540           ~ 4 0
105 SDSS J135631.57+325045.5 G 13 56 31.57203 +32 50 45.5299           ~ 2 0
106 SDSS J135659.76+095549.9 G 13 56 59.76303 +09 55 49.9915           ~ 5 0
107 SDSS J135758.56+511926.3 G 13 57 58.562 +51 19 26.34           ~ 2 0
108 SDSS J140244.46+502447.3 G 14 02 44.46485 +50 24 47.3804           ~ 2 0
109 SDSS J140704.18+063616.3 G 14 07 04.1899055184 +06 36 16.406369280           ~ 8 0
110 SDSS J140942.85+642936.0 G 14 09 42.85565 +64 29 36.0448           ~ 4 0
111 LEDA 1207511 G 14 14 12.88750 +01 50 12.8808           ~ 12 0
112 LEDA 3559692 G 14 15 05.58415 +36 22 57.7251           ~ 6 0
113 SDSS J141619.47+071529.5 G 14 16 19.46959 +07 15 29.5198           ~ 6 0
114 SDSS J141812.16+135933.9 G 14 18 12.16436 +13 59 34.0173           ~ 5 0
115 LEDA 4004559 H2G 14 19 14.100 +39 57 29.89   17.60       ~ 4 0
116 SDSS J142011.81+384813.4 G 14 20 11.816 +38 48 13.50           ~ 4 0
117 SDSS J142537.89+412804.8 G 14 25 37.8972995040 +41 28 04.831715640           ~ 4 0
118 LEDA 2793641 EmG 14 29 32.6922369288 +33 30 40.604168592   18.07 17.55 17.35 17.06 ~ 15 0
119 SDSS J143101.37+380421.5 G 14 31 01.374 +38 04 21.54           ~ 4 0
120 LEDA 2816102 G 14 32 02.8407537192 +51 52 52.136877396   18.0       ~ 14 0
121 LEDA 2790861 bCG 14 36 39.59245 +50 14 24.0701   18.0       ~ 6 0
122 SDSS J144611.91+380452.8 G 14 46 11.90991 +38 04 52.8170           ~ 5 0
123 SDSS J145735.68+413816.0 G 14 57 35.69150 +41 38 16.1311           ~ 2 0
124 SDSSCGB 31874.1 G 15 04 01.939 +08 33 09.74           ~ 3 0
125 SDSS J150831.64+525556.6 G 15 08 31.6507867560 +52 55 56.658063396           ~ 4 0
126 SDSS J151100.82+112024.2 G 15 11 00.8392494744 +11 20 24.545887224           ~ 2 0
127 LEDA 2793647 G 15 13 58.3843139568 +33 08 22.041956328           ~ 7 0
128 SDSS J152202.71+603255.6 G 15 22 02.71305 +60 32 55.6703           ~ 4 0
129 SDSS J153721.38+415353.9 G 15 37 21.3811839240 +41 53 53.923444872           ~ 3 0
130 SDSS J155423.82+213456.4 G 15 54 23.8152886272 +21 34 56.444882340           ~ 4 0
131 SDSS J155834.00+164433.1 G 15 58 34.00910 +16 44 33.1247           ~ 2 0
132 SDSS J161547.10+280342.9 G 16 15 47.1041016072 +28 03 42.913737684           ~ 6 0
133 KISS F1615-4535 SBG 16 16 38.894 +29 03 32.46   17.79 17.38     ~ 17 0
134 SDSS J162001.12+371301.2 G 16 20 01.1425708968 +37 13 01.074557136           ~ 3 0
135 LEDA 3498236 G 16 20 56.986 +37 58 44.32           ~ 6 0

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