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Peanut-shaped bulges in face-on disk galaxies

J Méndez-Abreu, Enrico M Corsini, Victor P Debattista, Sven De Rijcke UGent, JAL Aguerri and A Pizzella (2011) MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA SUPPLEMENT. 18. p.75-78
abstract
We present high resolution absorption-line spectroscopy of 3 face-on galaxies, NGC 98, NGC 600, and NGC 1703 with the aim of searching for box/peanut (B/P)-shaped bulges. These observations test and confirm the prediction of \citet{deb_etal_05} that face-on B/P-shaped bulges can be recognized by a double minimum in the profile of the fourth-order Gauss-Hermite moment h_4. In NGC 1703, which is an unbarred control galaxy, we found no evidence of a B/P bulge. In NGC 98, a clear double minimum in h_4 is present along the major axis of the bar and 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 a significant B/P shape.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
galaxies: formation, galaxies: kinematics and dynamics, galaxies: bulges, galaxies: evolution, galaxies: structure
in
MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA SUPPLEMENT
Mem. Soc. Astron. Ital. Suppl.
editor
EM Corsini and VP Debattista
volume
18
issue title
Tumbling, twisting and winding galaxies: pattern speeds along the Hubble sequence
pages
75 - 78
conference name
Tumbling, Twisting and Winding Galaxies : Patterns Speeds along the Hubble Sequence
conference location
Padua, Italy
conference start
2008-08-25
conference end
2008-08-28
ISSN
1824-0178
language
English
UGent publication?
yes
classification
C1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1843150
handle
http://hdl.handle.net/1854/LU-1843150
alternative location
http://sait.oat.ts.astro.it/MSAIS/18/PDF/75.pdf
date created
2011-06-28 10:58:49
date last changed
2016-12-19 15:36:38
@inproceedings{1843150,
  abstract     = {We present high resolution absorption-line spectroscopy of 3 face-on galaxies, NGC 98, NGC 600, and NGC 1703 with the aim of searching for box/peanut (B/P)-shaped bulges. These observations test and confirm the prediction of {\textbackslash}citet\{deb\_etal\_05\} that face-on B/P-shaped bulges can be recognized by a double minimum in the profile of the fourth-order Gauss-Hermite moment h\_4. In NGC 1703, which is an unbarred control galaxy, we found no evidence of a B/P bulge. In NGC 98, a clear double minimum in h\_4 is present along the major axis of the bar and 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 a significant B/P shape.},
  author       = {M{\'e}ndez-Abreu, J and Corsini, Enrico M and Debattista, Victor P and De Rijcke, Sven and Aguerri, JAL and Pizzella, A},
  booktitle    = {MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA SUPPLEMENT},
  editor       = {Corsini, EM and Debattista, VP},
  issn         = {1824-0178},
  keyword      = {galaxies: formation,galaxies: kinematics and dynamics,galaxies: bulges,galaxies: evolution,galaxies: structure},
  language     = {eng},
  location     = {Padua, Italy},
  pages        = {75--78},
  title        = {Peanut-shaped bulges in face-on disk galaxies},
  url          = {http://sait.oat.ts.astro.it/MSAIS/18/PDF/75.pdf},
  volume       = {18},
  year         = {2011},
}

Chicago
Méndez-Abreu, J, Enrico M Corsini, Victor P Debattista, Sven De Rijcke, JAL Aguerri, and A Pizzella. 2011. “Peanut-shaped Bulges in Face-on Disk Galaxies.” In Memorie Della Societa Astronomica Italiana Supplement, ed. EM Corsini and VP Debattista, 18:75–78.
APA
Méndez-Abreu, J., Corsini, E. M., Debattista, V. P., De Rijcke, S., Aguerri, J., & Pizzella, A. (2011). Peanut-shaped bulges in face-on disk galaxies. In E. Corsini & V. Debattista (Eds.), MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA SUPPLEMENT (Vol. 18, pp. 75–78). Presented at the Tumbling, Twisting and Winding Galaxies : Patterns Speeds along the Hubble Sequence.
Vancouver
1.
Méndez-Abreu J, Corsini EM, Debattista VP, De Rijcke S, Aguerri J, Pizzella A. Peanut-shaped bulges in face-on disk galaxies. In: Corsini E, Debattista V, editors. MEMORIE DELLA SOCIETA ASTRONOMICA ITALIANA SUPPLEMENT. 2011. p. 75–8.
MLA
Méndez-Abreu, J, Enrico M Corsini, Victor P Debattista, et al. “Peanut-shaped Bulges in Face-on Disk Galaxies.” Memorie Della Societa Astronomica Italiana Supplement. Ed. EM Corsini & VP Debattista. Vol. 18. 2011. 75–78. Print.