Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..396..313c&link_type=abstract
Formation and Evolution of Galaxy Disks ASP Conference Series, Vol. 396, Proceedings of the conference held 1-5 October, 2007 at
Astronomy and Astrophysics
Astronomy
Scientific paper
We measured the stellar kinematics of three face-on galaxies with the aim of searching for box/peanut-shaped (B/P) bulges. These observations test and confirm that face-on B/P bulges can be recognized by two minima in the radial profile of the fourth Gauss-Hermite moment h_4 of the line-of-sight velocity distribution measured along the bar major axis. In NGC 98, a clear double minimum in h_4 is present before the end of the bar, as predicted. In contrast, in NGC 600, which is also a barred galaxy but lacks a substantial bulge, we do not find any significant kinematic signature for a B/P bulge. In NGC 1703, which is an unbarred galaxy, we found no evidence of a B/P bulge.
Aguerri Jose-Alfonso L.
Corsini Enrico Maria
de Rijcke Sven
Debattista Victor P.
Mendez-Abreu Jairo
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