Metallicity Determination for a Globular Cluster by Spectral Indices

Details Metallicity Determination for a Globular Cluster by Spectral Indices Metallicity Determination for a Globular Cluster by Spectral Indices

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jkas...29..157l&link_type=abstract

Journal of the Korean Astronomical Society, vol. 29, no. 2, p. 157-170

Astronomy and Astrophysics

Astronomy

Globular Cluster, Metallicity, Spectral Index

Scientific paper

In order to determine the metallicity of a globuar cluster, M3, by using the spectral indices, a kind of index grid has been establshed by stars in globular clusters, M3, M15, M71 and old open cluster, NGC 188. The indices were measured from the medium resolution spectra of about 2 Angstrom. The summed indices were used to determine metallicity in order to increase signals. It is found that the core depth index is measured more accurately and leads result more accurate than the pseudo-equivalent width index. This method can be further improved by including many more calibration globular clusters of various metallicity to make finer grids. By this method, the metallicity of M3 is determined as [Fe/H] = -1.46 +- 0.15.

Affiliated with

Also associated with

No associations

Rating

Metallicity Determination for a Globular Cluster by Spectral Indices does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Metallicity Determination for a Globular Cluster by Spectral Indices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Metallicity Determination for a Globular Cluster by Spectral Indices will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1136999