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The RAVE Survey: Constraining the Local Galactic Escape Speed

Abstract:

We report new constraints on the local escape speed of our Galaxy. Our analysis is based on a sample of high velocity stars from the RAVE survey and two previously published datasets. We use cosmological simulations of disk galaxy formation to motivate our assumptions on the shape of the velocity distribution, allowing for a significantly more precise measurement of the escape velocity compared to previous studies. We find that the escape velocity lies within the range $498\kms < \ve < ...

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Publication status:
Published

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Journal:
Mon.Not.Roy.Astron.Soc.
Volume:
379
Issue:
2
Pages:
755-772
Publication date:
2006-11-21
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:cb474e0e-2aa3-4261-acfa-56e104d047c5
Source identifiers:
167484
Local pid:
pubs:167484
Language:
English
Keywords:

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