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Determining the velocity dispersion of the thick disc

Abstract:

We attempt to recover the mean vertical velocity and vertical velocity dispersion as a function of the Galactic height for a sample drawn from a realistic Galaxy distribution function by following the method presented in Moni Bidin et al. (2012). We find that, for the sample size used, the observational error in the velocities is much smaller than the Poisson noise which has not been accounted for by Moni Bidin et al. We repeat the analysis on a large number of samples to estimate the contrib...

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Journal:
Monthly Notices of the Royal Astronomical Society
Volume:
423
Issue:
3
Pages:
2228-2233
Publication date:
2012-05-24
DOI:
ISSN:
0035-8711
Source identifiers:
350464
Keywords:
Pubs id:
pubs:350464
UUID:
uuid:6c4510da-6e3f-4ad7-9fc1-861a746de47a
Local pid:
pubs:350464
Deposit date:
2012-12-19

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