Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Frelijj, Heinz"'
Autor:
González-Díaz, Danilo, Fernández-Trincado, José G., Villanova, Sandro, Geisler, Doug, Barbuy, Beatriz, Minniti, Dante, Beers, Timothy C., Bidin, Christian Moni, Mauro, Francesco, Muñoz, Cesar, Tang, Baitian, Soto, Mario, Monachesi, Antonela, Lane, Richard R., Frelijj, Heinz
This study presents the results concerning six red giant stars members of the globular cluster NGC 6558. Our analysis utilized high-resolution near-infrared spectra obtained through the CAPOS initiative (the APOgee Survey of Clusters in the Galactic
Externí odkaz:
http://arxiv.org/abs/2310.13054
Autor:
Garro, Elisa R., Fernández-Trincado, José G., Minniti, Dante, Moya, Wisthon H., Palma, Tali, Beers, Timothy C., Placco, Vinicius M., Barbuy, Beatriz, Sneden, Chris, Alves-Brito, Alan, Dias, Bruno, Afşar, Melike, Frelijj, Heinz, Lane, Richard R.
Publikováno v:
A&A 669, A136 (2023)
The recent exquisite Gaia astrometric, photometric, and radial velocity (RV) measurements resulted in a substantial advancement for the determination of the orbits for old star clusters, including the oldest Milky Way globular clusters (MW GCs). The
Externí odkaz:
http://arxiv.org/abs/2212.02337
In this research we test the ability of a three Washington filter combination, (C-T1)-(T1-T2), compared with that of the traditional C-T1 color to find multiple populations on two globular clusters: NGC 7099 and NGC 1851, types I and II Globular clus
Externí odkaz:
http://arxiv.org/abs/2203.11843
Autor:
Muñoz, César, Geisler, Douglas, Villanova, Sandro, Sarajedini, Ata, Frelijj, Heinz, Vargas, Carolina, Monaco, Lorenzo, O'Connell, Julia
Globular Clusters (GCs) are now well known to almost universally show multiple popu-lations (MPs). The HST UV Legacy Survey of a large number of Galactic GCs in UV filters optimized to explore MPs finds that a small fraction of GCs, termed Type II, a
Externí odkaz:
http://arxiv.org/abs/2106.15052
More than a decade has passed since the definition of Globular Cluster (GC) changed, and now we know that they host Multiple Populations (MPs). But few GCs do not share that behaviour and Ruprecht 106 is one of these clusters. We analyzed thirteen me
Externí odkaz:
http://arxiv.org/abs/2102.06266
Autor:
Frelijj, Heinz, Geisler, Douglas, Cummings, Jeffrey, Cohen, Roger E., Mauro, Francesco, Munoz, Cesar, Villanova, Sandro, Tang, Baitian
Over the last decade, the classical definition of Globular Clusters (GCs) as simple stellar populations was revolutionized due to the discovery of "Multiple Populations" (MPs). However, our knowledge of this phenomenon and its characteristics is stil
Externí odkaz:
http://arxiv.org/abs/1709.01014
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