Probing the kinematics of early-type galaxy halos using planetary nebulae

L. Coccato; O. Gerhard; M. Arnaboldi; P. Das; N. G. Douglas; K. Kuijken; M. R. Merrifield; N. R. Napolitano; E. Noordermeer; A. J. Romanowsky; M. Capaccioli; A. Cortesi; F. De Lorenzi; K. C. Freeman

doi:10.1002/asna.200811051

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Probing the kinematics of early-type galaxy halos using planetary nebulae

Journal article

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Probing the kinematics of early-type galaxy halos using planetary nebulae

L. Coccato, O. Gerhard, M. Arnaboldi, P. Das, N. G. Douglas, K. Kuijken, M. R. Merrifield, N. R. Napolitano, E. Noordermeer, A. J. Romanowsky, …

Astronomische Nachrichten, Vol.329(9-10), pp.912-915

12/2008

DOI: https://doi.org/10.1002/asna.200811051

Abstract

Astronomy & Astrophysics

Physical Sciences

Science & Technology

We present first results of a study of the halo kinematics for a sample of early type galaxies using planetary nebulae (PNe) as kinematical tracers. PNe allow to extend up to several effective radii (R-e) the information from absorption line kinematics (confined to within 1 or 2R(e)), providing valuable information and constraints for merger simulations and galaxy formation models. We find that the specific angular momentum per unit mass has a more complex radial dependence when the halo region is taken into account and that the halo velocity dispersion is related to the total galaxy luminosity, isophotal shape, and number of PNe per unit of luminosity. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA. Weinheim

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Title: Probing the kinematics of early-type galaxy halos using planetary nebulae
Creators: L. Coccato - Max
O. Gerhard - Max
M. Arnaboldi - European So Observ, D-85748 Garching, Germany
P. Das - Max
N. G. Douglas - University of Groningen
K. Kuijken - Leiden University
M. R. Merrifield - University of Nottingham
N. R. Napolitano - Observ Capodimonte, INAF, I-80131 Naples, Italy
E. Noordermeer - University of Nottingham
A. J. Romanowsky - Univ Calif Santa Cruz, Lick Observ, UCO, Santa Cruz, CA 95064 USA
M. Capaccioli - University of Naples Federico II
A. Cortesi
F. De Lorenzi - Max
K. C. Freeman - Supreme Council Of Health
Publication Details: Astronomische Nachrichten, Vol.329(9-10), pp.912-915
Publisher: Wiley
Number of pages: 4
Date published: 12/2008
Grant note: AST-0507729 / National Science Foundation; National Science Foundation (NSF) MERG-FP6-CT-2005-014774 / Marie Curie European Reintegration Grant; European Commission PP/C504686/1; ST/F00298X/1 / Science and Technology Facilities Council; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) ST/F00298X/1; PP/C504686/1 / STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) STFC; UK Research & Innovation (UKRI); Science & Technology Facilities Council (STFC) CONICYT 15010003 / FONDAP SPP 1177 / DFG; German Research Foundation (DFG) INAR
Identifiers: 99782988502346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

Probing the kinematics of early-type galaxy halos using planetary nebulae

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