2014ApJ...789..131H

Query : 2014ApJ...789..131H

2014ApJ...789..131H - Astrophys. J., 789, 131 (2014/July-2)

Detection of ultraviolet halos around highly inclined galaxies.

HODGES-KLUCK E. and BREGMAN J.N.

Abstract (from CDS):

We report the discovery of diffuse ultraviolet light around late-type galaxies out to 5-20 kpc from the midplane using Swift and GALEX images. The emission is consistent with the stellar outskirts in the early-type galaxies but not in the late-type galaxies, where the emission is quite blue and consistent with a reflection nebula powered by light escaping from the galaxy and scattering off dust in the halo. Our results agree with expectations from halo dust discovered in extinction by Ménard et al. to within a few kpc of the disk and imply a comparable amount of hot and cold gas in galaxy halos (a fewx 108 M☉ within 20 kpc) if the dust resides primarily in Mg II absorbers. The results also highlight the potential of UV photometry to study individual galaxy halos.

Abstract Copyright: ∼

Journal keyword(s): dust, extinction - galaxies: halos - ultraviolet: galaxies

Simbad objects: 42

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Number of rows : 42
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 24 EmG 00 09 56.542 -24 57 47.27 12.12 12.20 11.58 11.46 11.5 ~ 269 1
2 GRB 100115A gB 00 13 28.16 -00 49 35.4           ~ 20 0
3 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
4 NAME SMC Bar PoG 01 05 -72.6           ~ 264 0
5 ESO 243-49 GiC 01 10 27.7550638752 -46 04 27.356310264 16.54 14.92   13.48   ~ 187 0
6 NGC 527 GiG 01 23 58.1497596696 -35 06 54.407099880   14.07   12.50   ~ 42 1
7 NGC 891 H2G 02 22 32.907 +42 20 53.95 11.08 10.81 9.93 7.86   ~ 1741 2
8 NGC 1426 GiG 03 42 49.0997091480 -22 06 30.173615028   12.21 11.44 10.90   ~ 205 0
9 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
10 NGC 2738 GiG 09 04 00.4726807901 +21 58 03.336561047   13.8       ~ 61 1
11 NGC 2765 GiG 09 07 36.6392523384 +03 23 34.469642868   13.30       ~ 95 0
12 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1113 1
13 NGC 2974 Sy2 09 42 33.2918467632 -03 41 57.038311068   12.19   10.77   ~ 463 0
14 M 82 AGN 09 55 52.430 +69 40 46.93 9.61 9.30 8.41     ~ 6156 6
15 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
16 NAME Lockman Hole reg 10 45 00.0 +58 00 00           ~ 910 0
17 NGC 3384 GiG 10 48 16.8855574392 +12 37 45.371165844   10.0       ~ 617 1
18 NGC 3613 GiG 11 18 36.130 +57 59 59.73   11.6       ~ 221 0
19 M 65 GiP 11 18 55.9084654776 +13 05 32.300703672   9.6       ~ 458 1
20 NGC 3628 LIN 11 20 17.018 +13 35 22.16   10.42 9.48 9.22   ~ 853 3
21 NGC 3818 EmG 11 41 57.3563891040 -06 09 20.459153376   13   11.78   ~ 186 0
22 Z 97-87 GiC 11 43 49.1088652488 +19 58 05.954438316 13.96 14.35 13.59 13.29   ~ 237 3
23 NGC 4036 LIN 12 01 26.7603659808 +61 53 44.625848784   12.18 11.20     ~ 282 0
24 NGC 4088 AGN 12 05 34.2230093952 +50 32 21.064017876   11.2       ~ 428 1
25 NGC 4170 LSB 12 12 20.5824957096 +29 12 36.993595716   13.73 13.34 12.81   ~ 98 0
26 HCG 61 CGG 12 12 25.587 +29 09 57.14     13.5     ~ 57 0
27 NGC 4388 Sy2 12 25 46.820 +12 39 43.45 11.91 11.76 11.02     ~ 1433 2
28 M 104 LIN 12 39 59.43185902 -11 37 22.9961800 9.51 9.55 8.00 8.05   ~ 1465 2
29 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
30 NGC 5301 GiG 13 46 24.60933 +46 06 26.6650   13.0       ~ 135 1
31 NGC 5775 GiG 14 53 57.653 +03 32 40.10   13.0 11.34     ~ 460 2
32 M 102 SyG 15 06 29.561 +55 45 47.91 11.12 10.74 9.89     ~ 578 2
33 NGC 5906 GiG 15 15 53.687 +56 19 43.86   11.4       ~ 807 0
34 NGC 6503 LIN 17 49 26.4207792072 +70 08 39.604132176 11.56 10.95 10.28 9.92   ~ 551 1
35 NGC 6925 EmG 20 34 20.5702851864 -31 58 51.143730564   12.09 11.30 10.77 11.4 ~ 132 1
36 LAWD 87 WD* 21 32 16.2327040616 +00 15 14.399267982 13.717 14.634 14.674 14.675 14.676 DB4 195 1
37 NGC 7090 EmG 21 36 28.865 -54 33 26.35 12.35 11.60 11.05 10.82 11.2 ~ 183 0
38 NGC 7112 GiP 21 42 22.8445729008 +12 29 53.895361632   15.19       ~ 73 1
39 NGC 7331 LIN 22 37 04.0506038088 +34 24 56.800076508 10.65 10.35 9.48     ~ 1284 2
40 IC 5249 AG? 22 47 06.262 -64 49 55.42   14.35   13.36 13.7 ~ 102 0
41 NGC 7582 Sy2 23 18 23.60 -42 22 13.3 11.62 10.92 10.62     ~ 978 3
42 NAME Local Group GrG ~ ~           ~ 9325 0

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