scholarly journals The stellar structure of early-type galaxies: a wide-field Mitchell Spectrograph view

2016 ◽  
Vol 11 (S321) ◽  
pp. 288-288
Author(s):  
N. F. Boardman ◽  
A. Weijmans ◽  
R. C. E. van den Bosch ◽  
L. Zhu ◽  
A. Yildirim ◽  
...  

Much progress has been made in recent years towards understanding how early-type galaxies (ETGs) form and evolve. SAURON (Bacon et al. 2001) integral-field spectroscopy from the ATLAS3D survey (Cappellari et al. 2011) has suggested that less massive ETGs are linked directly to spirals, whereas the most massive objects appear to form from a series of merging and accretion events (Cappellari et al. 2013). However, the ATLAS3D data typically only extends to about one half-light radius (or effective radius, Re), making it unclear if this picture is truly complete.

2010 ◽  
Vol 6 (S277) ◽  
pp. 83-88
Author(s):  
Eric Emsellem

AbstractI briefly review here a few past or on-going surveys of nearby ETGs via integral-field spectroscopy, focusing on their dynamical status, evolution, and stellar/gaseous content.


2015 ◽  
Vol 452 (1) ◽  
pp. 99-114 ◽  
Author(s):  
C. Spiniello ◽  
N. R. Napolitano ◽  
L. Coccato ◽  
V. Pota ◽  
A. J. Romanowsky ◽  
...  

2007 ◽  
Vol 3 (S245) ◽  
pp. 271-276
Author(s):  
Reynier F. Peletier ◽  
Katia Ganda ◽  
Jesús Falcón-Barroso ◽  
Roland Bacon ◽  
Michele Cappellari ◽  
...  

AbstractWe discuss some recent integral field spectroscopy using the SAURON instrument of a sample consisting of 24 early-type spirals, part of the SAURON Survey, and 18 late-type spirals. Using 2-dimensional maps of their stellar radial velocity, velocity dispersion, and absorption line strength, it is now much easier to understand the nature of nearby galactic bulges. We discuss a few highlights of this work, and point out some new ideas about the formation of galactic bulges.


2014 ◽  
Vol 2014 ◽  
pp. 1-15 ◽  
Author(s):  
Laurent Drissen ◽  
Laurie Rousseau-Nepton ◽  
Sébastien Lavoie ◽  
Carmelle Robert ◽  
Thomas Martin ◽  
...  

Imaging Fourier transform spectroscopy (iFTS) is a promising, although technically very challenging, option for wide-field hyperspectral imagery. We present in this paper an introduction to the iFTS concept and its advantages and drawbacks, as well as examples of data obtained with a prototype iFTS, SpIOMM, attached to the 1.6 m telescope of the Observatoire du Mont-Mégantic: emission line ratios in the spiral galaxy NGC 628 and absorption line indices in the giant elliptical M87. We conclude by introducing SpIOMM's successor, SITELLE, which will be installed at the Canada-France-Hawaii Telescope in 2014.


2012 ◽  
Vol 425 (2) ◽  
pp. 1521-1526 ◽  
Author(s):  
Nicholas Scott ◽  
Ryan Houghton ◽  
Roger L. Davies ◽  
Michele Cappellari ◽  
Niranjan Thatte ◽  
...  

2014 ◽  
Vol 10 (S312) ◽  
pp. 128-130
Author(s):  
Ashkbiz Danehkar ◽  
Quentin A. Parker

AbstractWe have used the Wide Field Spectrograph on the Australian National University 2.3-m telescope to perform the integral field spectroscopy for a sample of the Galactic planetary nebulae. The spatially resolved velocity distributions of the Hα emission line were used to determine the kinematic features and nebular orientations. Our findings show that some bulge planetary nebulae toward the Galactic center have a particular orientation.


Sign in / Sign up

Export Citation Format

Share Document