NGC4147, added a paper to the bibliography

Cluster: NGC 4147
One paper added to the GGC database bibliography:

Stetson, Peter B.; Catelan, M.; Smith, Horace A.
"Homogeneous Photometry. V. The Globular Cluster NGC 4147"

"New BVRI broadband photometry and astrometry are presented for the globular cluster NGC 4147, based upon measurements derived from 524 ground-based CCD images mostly either donated by colleagues or retrieved from public archives. We have also reanalyzed five exposures of the cluster obtained with WFPC2 on the Hubble Space Telescope in the F439W and F555W (B and V) filters. We present calibrated color-magnitude and color-color diagrams (...)"

New link: "A New Star Clusters"

Added a new "link" in the GGC-DB main page :

"A New Star Clusters"

Using an automated computer method to sift through data collected by NASA's Spitzer Space Telescope, astronomers on the Galactic Legacy Infrared Mid-Plane Survey Extraordinaire (GLIMPSE) team found a new star cluster in our Milky Way galaxy, in the northern constellation Aquila...


http://www.spitzer.caltech.edu/Media/mediaimages/sig/sig05-024.shtml

Welcome!

This blog is intended as an easy way to be notified of the updates in the "Galactic Globular Clusters Database" website, located at

http://www.mporzio.astro.it/~marco/gc/

From now on, any update of the database will be notified here with a post. Feel free to add your comment, to let me know your opinion as well as suggestion for improvement of the database!

Kind regards,

Marco Castellani
Rome Astronomical Observatory, Italy