SIMBAD references

2010A&A...513A..51B - Astronomy and Astrophysics, volume 513, A51-51 (2010/4-1)

Absolute proper motion of the galactic open cluster M 67.

BELLINI A., BEDIN L.R., PICHARDO B., MORENO E., ALLEN C., PIOTTO G. and ANDERSON J.

Abstract (from CDS):

We derived the absolute proper motion (PM) of the old, solar-metallicity Galactic open cluster M 67 using observations collected with CFHT (1997) and with LBT (2007). About 50 galaxies with relatively sharp nuclei allow us to determine the absolute PM of the cluster. We find (µαcosδ,µδ)J2000.0=(-9.6±1.1,-3.7±0.8)mas/yr. By adopting a line-of-sight velocity of 33.78 ±0.18km/s, and assuming a distance of 815±50pc, we explore the influence of the Galactic potential, with and without the bar and/or spiral arms, on the galactic orbit of the cluster.

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Journal keyword(s): astrometry - open cluster and associations: NGC 2682 (M 67) - Galaxy: kinematics and dynamics

Simbad objects: 6

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