Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942705d&link_type=abstract
American Astronomical Society, AAS Meeting #219, #427.05
Astronomy and Astrophysics
Astronomy
Scientific paper
NGC6872 is one of the largest spiral galaxies known (> 100 kpc). It belongs to the southern Pavo group and is interacting with a small lenticular galaxy, IC4970. We will present the latest results on our quest for the young stellar population of NGC6872 and how they correlate with the predictions from the N body simulations by Horellou and Koribalski (2007). We use multiwavelength data taken with GALEX (FUV and NUV), VLT (B, V, R, I) and Spitzer (IRAC) to estimate extinction, dust mass, ages, and star formation rate of the bluest regions of the spiral arms. We present the latest results investigating whether there is any connection between their properties and the prediction that the small nearby companion IC4970 on a low-inclination prograde passage might have caused the bluest features seen in the GALEX images.
de Mello Duilia F.
Eufrasio Rafael T.
Lakeman T.
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