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...
Near-Infrared Photometry of Four Stellar Clusters in the Small Magellanic Cloud (2008)
Mucciarelli, Alessio, Origlia, Livia, Maraston, Claudia, Ferraro, Francesco R.
We present high-quality J, H and K photometry of four Small Magellanic Cloud stellar clusters with intermediate ages in the 1-7 Gyr range (namely NGC 339, 361, 416 and 419) . We obtained deep...
A deep X-ray observation of M82 with XMM-Newton (2008)
Ranalli, Piero, Comastri, Andrea, Origlia, Livia, Maiolino, Roberto
We report on the analysis of a deep (100 ks) observation of the starburst galaxy M82 with the EPIC and RGS instruments on board the X-ray telescope XMM-Newton. The broad-band (0.5-10 keV) emission is...
Evolutionary Synthesis Modeling of Red Supergiant Features in the Near--Infrared (2007)
Livia Origlia, Jeffrey D. Goldader, Claus Leitherer, Daniel Schaerer, Ernesto Oliva
We present evolutionary synthesis models applied to near--infrared spectral features observed in the spectra of young Magellanic Cloud clusters and starburst galaxies. The temporal evolution of the...
The First Empirical Mass Loss Law for Population II Giants (2007)
Origlia, Livia, Rood, Robert T., Fabbri, Sara, Ferraro, Francesco R., Pecci, Flavio Fusi, Rich, R. Michael
Using the Spitzer IRAC camera we have obtained mid-IR photometry of the red giant branch stars in the Galactic globular cluster 47 Tuc. About 100 stars show an excess of mid-infrared light above that...
The First Detailed Abundances for M giants in the inner Bulge from Infrared Spectroscopy (2007)
Rich, R. Michael, Origlia, Livia, Valenti, Elena
We report the first abundance analysis of 17 M giant stars in the inner Galactic bulge at $(l,b)=(0\deg,-1\deg)$, based on $R=25,000$ infrared spectroscopy $(1.5-1.8 ~\mu \rm m)$ using NIRSPEC at the...
Formation & evolution of the Galactic bulge: constraints from stellar abundances (2007)
Ballero, Silvia K., Matteucci, Francesca, Origlia, Livia, Rich, R. Michael
We compute the chemical evolution of the Galactic bulge in the context of an inside-out model for the formation of the Milky Way. The model contains updated stellar yields from massive stars. The...
The globular cluster NGC 1978 in the Large Magellanic Cloud (2007)
Mucciarelli, Alessio, Ferraro, Francesco R., Origlia, Livia, Pecci, Flavio Fusi
We have used deep high-resolution Hubble Space Telescope ACS observations to image the cluster NGC 1978 in the Large Magellanic Cloud. This high-quality photometric data set allowed us to confirm the...
Formation and evolution of the Galactic bulge: constraints from stellar abundances (2006)
Ballero, Silvia, Matteucci, Francesca, Origlia, Livia
We present results for the chemical evolution of the Galactic bulge in the context of an inside-out formation model of the Galaxy. A supernova-driven wind was also included in analogy with elliptical...
New insights on chemical evolution of galaxies: XMM-Newton observations of M82 (2006)
Ranalli, Piero, Origlia, Livia, Comastri, Andrea, Maiolino, Roberto
We report on the ongoing data analysis of a very deep (~100 ks) XMM-Newton observation of the starburst galaxy M82. We show some details of data analysis and a few results from spatially-resolved...
On the Iron content of NGC 1978 in the LMC: a metal rich, chemically homogeneous cluster (2006)
Ferraro, Francesco R., Mucciarelli, Alessio, Carretta, Eugenio, Origlia, Livia
We present a detailed abundance analysis of giant stars in NGC 1978, a massive, intermediate-age stellar cluster in the Large Magellanic Cloud, characterized by a high ellipticity and suspected to...
Gaseous abundances in M82 (2005)
Ranalli, Piero, Comastri, Andrea, Origlia, Livia, Maiolino, Roberto, Makishima, Kazuo
We present the preliminary analysis of a deep (100ks) XMM-Newton observation of M82. The spatial distribution of the abundances of chemical elements (Fe, O, Ne, Mg, Si, S) is investigated through...
The First Detailed Abundances for M giants in Baade's Window from Infrared Spectroscopy (2005)
Rich, R. Michael, Origlia, Livia
We report the first abundance analysis of 14 M giant stars in the Galactic bulge, based on R=25,000 infrared spectroscopy (1.5-1.8um) using NIRSPEC at the Keck II telescope. Because some of the bulge...
Probing the RGB-phase transition: Near-IR photometry of six intermediate age LMC clusters (2004)
Ferraro, Francesco R., Origlia, Livia, Testa, Vincenzo, Maraston, Claudia
This is the first of a series of papers devoted to a global study of the photometric properties of the red stellar sequences in a complete sample of the Large Magellanic Cloud clusters, by means of...
Origlia, Livia, Rich, R. Michael
Using the NIRSPEC spectrograph at Keck II, we have obtained infrared echelle spectra covering the range $1.5-1.8 \mu \rm m$ for the highly reddened bulge globular clusters Terzan 4 and Terzan 5. The...
ISOCAM observations of Galactic Globular Clusters: mass loss along the Red Giant Branch (2002)
Origlia, Livia, Ferraro, Francesco R., Pecci, Flavio Fusi, Rood, Robert T.
Deep images in the 10 micron spectral region have been obtained for five massive Galactic globular clusters, NGC 104 (=47 Tuc), NGC 362, NGC 5139 (omega Cen), NGC 6388, NGC 7078 (=M15) and NGC 6715...
High resolution infrared spectra of bulge globular clusters: Liller~1 and NGC 6553 (2001)
Origlia, Livia, Rich, R. Michael, Castro, Sandra
Using the NIRSPEC spectrograph at Keck II, we have obtained echelle spectra covering the range 1.5-1.8um for 2 of the brightest giants in Liller 1 and NGC 6553, old metal rich globular clusters in...
Origlia, Livia, Leitherer, Claus
Color-temperature relations and bolometric corrections in the HST-NICMOS F1110W, F160W and F222M and in the WFPC2 F439W, F555W and F814W photometric systems, using two different sets of model...
Ferraro, Francesco R., Montegriffo, Paolo, Origlia, Livia, Pecci, Flavio Fusi
We present high quality near infrared Color Magnitude Diagrams of 10 Galactic Globular Clusters (GCs) spanning a wide metallicity range (-2.15
Evolutionary synthesis modeling of red supergiant features in the near-infrared (1998)
Origlia, Livia, Goldader, Jeffrey D., Leitherer, Claus, Schaerer, Daniel, Oliva, Ernesto
We present evolutionary synthesis models applied to near--infrared spectral features observed in the spectra of young Magellanic Cloud clusters and starburst galaxies. The temporal evolution of the...