SIMBAD references

2005ApJ...621L.117M - Astrophys. J., 621, L117-L120 (2005/March-2)

The discovery of more than 2000 white dwarfs in the globular cluster ω Centauri.

MONELLI M., CORSI C.E., CASTELLANI V., FERRARO I., IANNICOLA G., PRADA MORONI P.G., BONO G., BUONANNO R., CALAMIDA A., FREYHAMMER L.M., PULONE L. and STETSON P.B.

Abstract (from CDS):

We present deep multiband (F435W, F625W, and F658N) photometric data of the globular cluster ω Cen collected with the Advanced Camera for Surveys on board the Hubble Space Telescope. We identified in the (F435W - F625W, F435W)-plane more than 2000 white dwarf (WD) candidates using three out of nine available pointings. Such a large sample appears to be in agreement with predictions based on the ratio between WD and horizontal-branch evolutionary lifetimes. We also detected ~1600 WDs in the (F658N - F625W, F625W)-plane, supporting the evidence that a large fraction of current cluster WDs are Hα-bright.

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Journal keyword(s): Galaxy: Globular Clusters: General - Galaxy: Globular Clusters: Individual: Name: ω Centauri

Simbad objects: 4

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