The survey of planetary nebulae in Andromeda (M 31)

Context. The age–velocity dispersion relation is an important tool to understand the evolution of the disc of the Andromeda galaxy (M 31) in comparison with the Milky Way. Aims. We use planetary nebulae (PNe) to obtain the age–velocity dispersion relation in different radial bins of the M 31 disc. M...

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Veröffentlicht in:	Astronomy and astrophysics (Berlin) 2019-11, Vol.631
Hauptverfasser:	Bhattacharya, Souradeep, Arnaboldi, Magda, Caldwell, Nelson, Gerhard, Ortwin, Blaña, Matías, McConnachie, Alan, Hartke, Johanna, Guhathakurta, Puragra, Pulsoni, Claudia, Freeman, Kenneth C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Age Andromeda Galaxy Astronomical models Bins Extinction Galactic evolution galaxies: individual: M 31 galaxies: kinematics and dynamics Galaxy mergers & collisions Kinematics Milky Way Planetary nebulae planetary nebulae: general Populations Stellar age Stellar evolution Velocity
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