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IC 5339


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Background galaxies as reddening probes throughout the Magellanic Clouds
We study the spectral properties in the range 3600 Å-6800 Åof the nuclear region of galaxies behind the Magellanic Clouds. Theradial velocities clarified the nature of the objects as backgroundgalaxies or extended objects belonging to the Clouds. For most galaxiesbehind the main bodies of the LMC and SMC, radial velocities weremeasured for the first time. In the present sample typical LMCbackground galaxies are nearby (4000 < V(km s-1) <6000), while SMC's are considerably more distant (10 000 < V(kms-1) < 20 000). We determine the reddening in each line ofsight by matching a reddening-free galaxy template with comparablestellar population. For the LMC main body we derive a combined Milky Wayand internal reddening value E(B-V)MW+i = 0.12 +/- 0.10,while for the SMC E(B-V)MW+i = 0.05 +/- 0.05. By subtractingMilky Way reddening values for galaxies projected onto the surroundingsof each Cloud, we estimate average internal reddening values DeltaE(B-V)i = 0.06 and 0.04, respectively for the main bodies ofthe LMC and SMC. The Clouds are optically thin, at least in thedirections of the studied background galaxies which are often difficultto be identified as such on ESO/SERC sky survey images. Nevertheless,more reddened zones may occur where it is difficult to identifygalaxies.

Southern Galaxy Catalogue.
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Spectroscopic survey of southern compact and bright-nucleus galaxies. VI
Most of the 440 galaxies presently chosen for spectroscopic study on thebasis of their compact or bright nucleus appearance show absorption linespectra, but 16 new narrow emission line galaxies and a Seyfert 2 galaxyare included. About a third of the redshifts available south of the -30deg declination are contributed by the present survey, which therebyfacilitates a preliminary investigation of the three-dimensional spatialdistribution of galaxies.

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Observation and Astrometry data

Constellation:Toucan
Right ascension:23h38m05.30s
Declination:-68°26'31.0"
Aparent dimensions:1.047′ × 0.933′

Catalogs and designations:
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ICIC 5339
HYPERLEDA-IPGC 69388

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