SIMBAD references

2004A&A...428...67V - Astronomy and Astrophysics, volume 428, 67-77 (2004/12-2)

NGC 5385, NGC 2664 and Collinder 21: Three candidate open cluster remnants.


Abstract (from CDS):

We present CCD UBVI photometric and medium/high resolution spectroscopic observations obtained in the field of the previously unstudied dissolving open cluster candidates NGC 5385, NGC 2664 and Collinder 21. Our analysis is based on the discussion of star counts, photometry, radial velocity distribution, and proper motions available from the Tycho 2 catalogue. All three aggregates clearly emerge from the mean Galactic field, but, regrettably, the close scrutiny of proper motions and radial velocities reveals that we are not facing any physical group. Instead, what we are looking at are just chance alignments of a few bright unrelated stars. Our analysis casts some doubt on the Bica et al. (2001A&A...366..827B) criterion to look for Possible Open Cluster Remnants. It seems mandatory to define a better criterion to adopt for further investigations.

Abstract Copyright:

Journal keyword(s): Galaxy: open clusters and associations: individual: Collinder 21, NGC 5385, NGC 2664 - Galaxy: open clusters and associations: general - stars: binaries: close

VizieR on-line data: <Available at CDS (J/A+A/428/67): table1.dat table2.dat table3.dat>

Nomenclature: Table1.dat: Cl* NGC 5385 VCD NN N=43 among (Nos 1-83). Table2.dat: Cl* NGC 2664 VCD NNN N=64 among (Nos 1-154). Table3.dat: Cl* Collinder 21 VCD NN N=52 among (Nos 1-95).

Simbad objects: 172

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