SIMBAD references

2002ApJ...576..950T - Astrophys. J., 576, 950-962 (2002/September-2)

Rotation and activity in the solar-metallicity open cluster NGC 2516.

TERNDRUP D.M., PINSONNEAULT M., JEFFRIES R.D., FORD A., STAUFFER J.R. and SILLS A.

Abstract (from CDS):

We report new measures of radial velocities and rotation rates (vsini) for 51 F and early G stars in the open cluster NGC 2516 and combine these with previously published data. From high signal-to-noise ratio spectra of two stars, we show that NGC 2516 has a relative iron abundance with respect to the Pleiades of Δ[Fe/H]=+0.04±0.07 at the canonical reddening of E(B-V)=0.12, in contrast to previous photometric studies that placed the cluster 0.2-0.4 dex below solar. We construct a color-magnitude diagram based on radial velocity members and explore the sensitivity of photometric determinations of the metallicity and distance to assumed values of the reddening. For a metal abundance near solar, the Hipparcos distance to NGC 2516 is probably underestimated. Finally, we show that the distribution of rotation rates and X-ray emission does not differ greatly from that of the Pleiades, when allowance is made for the somewhat older age of NGC 2516.

Abstract Copyright:

Journal keyword(s): Galaxy: Open Clusters and Associations: Individual: NGC Number: NGC 2516 - Stars: Abundances - Stars: Rotation - Techniques: Radial Velocities

CDS comments: table 1 : GSC numbers are incorrectly written (i.e. GSC 8911-1169, 8911-1238, 8911-1475, 8911-3284). The other IDs are Cl* NGC 2516 CTIO N, Cl* NGC 2516 DAC NNN, Cl* NGC 2516 EGG NNN, Cl* NGC 2516 JTH NNNNN

Simbad objects: 83

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2019.12.08-03:43:25

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