The Ongoing Growth of the M87 Halo through Accretion Events

The Ongoing Growth of the M87 Halo through Accretion Events

Planetary nebulas (PNs) offer a unique tool to investigate the outer regions of massive galaxies because their strong [OIII]λ5007Å emission line makes them detectable out to several effective radii from the galaxy’s centre. We use a deep and extended spectroscopic survey of PNs (∼300 objects) to stu...

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Bibliographic Details
Main Authors:	Alessia Longobardi, Magda Arnaboldi, Ortwin Gerhard
Format:	Article
Language:	English
Published:	MDPI AG 2015-12-01
Series:	Galaxies
Subjects:	clusters: individual: Virgo galaxies: halos galaxies: individual: M 87 (NGC 4486) planetary nebulae: general
Online Access:	http://www.mdpi.com/2075-4434/3/4/212

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