The progenitor mass of the magnetar SGR1900+14 (2009)
Davies, Ben, Figer, Don F., Kudritzki, Rolf-Peter, Trombley, Christine, Kouveliotou, Chryssa, Wachter, Stefanie
Magnetars are young neutron stars with extreme magnetic fields (B > 10^{14}-10^{15}G). How these fields relate to the properties of their progenitor stars is not yet clearly established. However,...
Chemical abundance patterns in the inner Galaxy: the Scutum Red Supergiant Clusters (2009)
Davies, Ben, Origlia, Livia, Kudritzki, Rolf-Peter, Figer, Don F., Rich, R. Michael, Najarro, Francisco, ...
The location of the Scutum Red-Supergiant (RSG) clusters at the end of the Galactic Bar makes them an excellent probe of the Galaxy's secular evolution; while the clusters themselves are ideal...
The chemical abundances in the Galactic Centre from the atmospheres of Red Supergiants (2008)
Davies, Ben, Origlia, Livia, Kudritzki, Rolf-Peter, Figer, Don F., Rich, R. Michael, Najarro, Francisco
The Galactic Centre (GC) has experienced a high degree of recent star-forming activity, as evidenced by the large number of massive stars currently residing there. The relative abundances of chemical...
Metallicity in the Galactic Center: The Quintuplet cluster (2008)
Najarro, Francisco, Figer, Don F., Hillier, D. John, Geballe, T. R., Kudritzki, Rolf P.
We present a measurement of metallicity in the Galactic center Quintuplet Cluster made using quantitative spectral analysis of two Luminous Blue Variables (LBVs). The analysis employs line-blanketed...
The cool supergiant population of the massive young star cluster RSGC1 (2007)
Davies, Ben, Figer, Don F., Law, Casey J., Kudritzki, Rolf-Peter, Najarro, Francisco, Herrero, Artemio, ...
We present new high-resolution near-IR spectroscopy and OH maser observations to investigate the population of cool luminous stars of the young massive Galactic cluster RSGC1. Using the 2.293\micron...
A massive cluster of Red Supergiants at the base of the Scutum-Crux arm (2007)
Davies, Ben, Figer, Don F., Kudritzki, Rolf-Peter, MacKenty, John, Najarro, Francisco, Herrero, Artemio
We report on the unprecedented Red Supergiant (RSG) population of a massive young cluster, located at the base of the Scutum-Crux Galactic arm. We identify candidate cluster RSGs based on {\it 2MASS}...
NAOS-CONICA performance in a crowded field – the Arches cluster (2003)
Stolte, A., Brandner, W., Grebel, E.K., Figer, Don F., Eisenhauer, F., Lenzen, R., ...
NAOS-CONICA performance in a crowded field - the Arches cluster (2003)
Stolte, A., Brandner, W., Grebel, E. K., Figer, Don F., Eisenhauer, F., Lenzen, R., ...
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Lang, Cornelia C., Figer, Don F., Goss, W. M., Morris, Mark
VLA images of the Sickle and Pistol H II regions near the Galactic center at 3.6 and 6 cm reveal six point sources in the region where the dense Quintuplet stellar cluster is located. The spectral...