2011ApJ...743...80P


Query : 2011ApJ...743...80P

2011ApJ...743...80P - Astrophys. J., 743, 80 (2011/December-2)

Observations of far-ultraviolet diffuse emission from the Small Magellanic Cloud.

PRADHAN A.C., MURTHY J. and PATHAK A.

Abstract (from CDS):

We report the first observations of far-ultraviolet (FUV: 1000-1150 Å) diffuse radiation from the Small Magellanic Cloud (SMC) using observations from the Far-Ultraviolet Spectroscopic Explorer. The strength of FUV diffuse surface brightness in the SMC ranges from the detection limit of 2000 photons/cm2/s/sr/Å to a maximum of 3x105 photons/cm2/s/sr/Å at 1004 Å. The contribution of diffuse emission to the total radiation field was found to be 34% at 1004 Å to 44% at 1117 Å with a maximum observed uncertainty of 30%. There is a striking difference between the FUV diffuse fraction from the SMC and the Large Magellanic Cloud with the SMC fraction being higher probably because of the higher dust albedo. The FUV diffuse emission correlates with Hα emission in the H II regions of the SMC.

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Journal keyword(s): Magellanic Clouds - ultraviolet: ISM

Simbad objects: 13

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Number of rows : 13
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 267 HII 00 48 02.6 -73 16 39           ~ 57 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 NGC 330 Cl* 00 56 18.55 -72 27 45.1 9.37 9.76 9.55   8.89 ~ 445 0
4 NGC 346 Cl* 00 59 04.4000 -72 10 39.000           ~ 547 0
5 NAME SMC Bar PoG 01 05 -72.6           ~ 264 0
6 NGC 595 HII 01 33 33.53 +30 41 29.8           ~ 213 0
7 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
8 LHA 120-N 11 HII 04 56 51.4 -66 24 24           ~ 275 0
9 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
10 M 42 HII 05 35 16.8 -05 23 15           ~ 4411 0
11 SN 1987A SN* 05 35 27.98840 -69 16 11.1134           SNIIpec 5203 2
12 RMC 136 Cl* 05 38 42.396 -69 06 03.36   5.81 5.40     ~ 2236 2
13 LHA 120-N 70 HII 05 43 17.5 -67 50 48           ~ 85 0

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