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GALFOR

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Photo by rawpixel on Unsplash

GALFOR

Last updated on
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GALFOR is a project of Galactic archaeology (ERC-2016-STG, 716082) to address such hot topics of modern astrophysics. We will exploit the unique dataset that the Hubble Space Telescope and the major ground-based facilities have collected for us to investigate a huge number of Galactic and extra-Galactic star clusters and their stellar populations. GALFOR will study the star clusters that we observe today to shed light on the series of events that occurred at high redshift and led to the formation of the globular clusters and of their multiple populations.

Globular Clusters Open Clusters Multiple Stellar populations Internal dynamics of star clusters Galactic archaeology Star clusters
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Giacomo Cordoni
Research Fellow in Astrophysics

Publications

Cordoni G., Milone A. P., Marino A. F., Vesperini E., Dondoglio E., Legnardi M. V., Mohandasan A., Carlos M., Lagioia E. P., Jang S., Ziliotto T.
A&A

Photometric binaries, mass functions, and structural parameters of 78 Galactic open clusters
PDF Code Project
Milone A. P., Cordoni G., Marino A. F., D’Antona F., Bellini A., Di Criscienzo M., Dondoglio E., Lagioia E. P., Langer N., Legnardi M. V., Libralato M., Baumgardt H., Bettinelli M., Cavecchi Y., de Grijs R., Deng L., Hastings B., Li C., Mohandasan A., Renzini A., Vesperini E., Wang C., Ziliotto T., Carlos M., Costa G., Dell’Agli F., Di Stefano S., Jang S., Martorano M., Simioni M., Tailo M., Ventura P.
A&A

Homogeneous HST photometry and astrometry of 113 clusters revels unexpcted results in the context of young star clusters in the Magellanic Clouds
PDF Code Project
Cordoni G., Milone A. P., Marino A. F., Cignoni M., Lagioia E. P., Tailo M., Carlos M. G., Dondoglio E., Jang S., Mohandasan A., Legnardi M. V.
NatCo

The turn-on in the 40 Myr-old cluster NGC1818 exclude the presence of possible age differences among cluster stars, unveiling the origin of the extended main-sequence turn-off in young Magellanic Clouds clusters
PDF Code Project Project
Dondoglio E., Milone A. P., Lagioia E. P., Marino A. F., Tailo M., Cordoni G., Jang S., Carlos M. G.
ApJ

Multiple stellar populations along the red Horizontal Branch and Red Clump of Globular Clusters
PDF Code Project
Tailo M., Milone A. P., Lagioia E. P., D’Antona F., Marino A. F., Vesperini E., Caloi V., Ventura P., Dondoglio E., Cordoni G.
MNRAS

A chromosome map to unveil stellar populations with different magnesium abundances. The case of Omega Centauri
PDF Code Project DOI
Milone A. P., Marino A. F., Renzini A., Li C., Jang S., Lagioia E. P., Tailo M., Cordoni G., Carlos M., Dondoglio E.
MNRAS

A chromosome map to unveil stellar populations with different magnesium abundances. The case of Omega Centauri
PDF Code Project DOI
Milone A. P., Vesperini E., Marino A. F., Hong J., van der Marel R. P., Anderson J., Renzini A., Cordoni G., Bedin L. R., Bellini A., Brown T. M., D’Antona F., Lagioia E. P., Libralato M., Nardiello D., Piotto G., Tailo M., Cool A., Salaris M., Sarajedini A.
MNRAS

The Hubble Space Telescope UV Legacy Survey of Galactic globular clusters - XXI. Binaries among multiple stellar populations
PDF Code Project DOI
Milone A. P., Marino A. F., Da Costa G. S., Lagioia E. P., D’Antona F., Goudfrooij P., Jerjen H., Massari D., Renzini A., Yong D., Baumgardt H., Cordoni G., Dondoglio E., Li C., Tailo M., Asa’D r., Ventura E. M.
prova pub short

By exploiting recent work based on Gaia, half of the known Type II GCs appear clustered in a distinct region of the integral of motions space, thus suggesting a common progenitor galaxy. Except for these Type II GCs, we do not find any significant difference in the MPs between clusters associated with different progenitors.
PDF Code Project DOI
Lagioia E. P., Milone A. P., Marino A. F., Cordoni G., Tailo M.
AJ

Similarly to Galactic GCs, the RGB width of Magellanic Cloud (MC) GCs correlates with cluster mass after removing the dependence from metallicity. This fact demonstrates that cluster mass is the main factor affecting the properties of MPs.
PDF Code Project DOI
Marino A. F., Milone A. P., Sills A., Yong D., Renzini A., Bedin L. R., Cordoni G., D’Antona F., Jerjen H., Karakas A., Lagioia E. P., Piotto G., Tailo M.
MNRAS

We suggest that a small variation in metals and binarity governs the color spread of the 1G in the ChM and that evolved BSs contribute to the bluest tail of the 1G sequence.
PDF Code Project DOI
Zennaro, M., Milone, A. P., Marino, A. F., Cordoni, G., Lagioia, E. P., Tailo, M.
MNRAS

A new economic combination of HST filter reveals the presence of four stellar populations with extreme Helium variations in the massive outer-halo globular cluster NGC2419.
PDF Code Project DOI
Tailo M., D’Antona F., Caloi V., Milone A. P., Marino A. F., Lagioia E. P., Cordoni G.
MNRAS

Internal variation of helium content cannot reproduce all the observational constraints at the same time. The origin of the first generation colour spread is therefore still without a straightforward explanation.
PDF Code Project DOI
Marino A. F., Milone A. P., Renzini A., D’Antona F., Anderson J., Bedin L. R., Bellini A., Cordoni G., Lagioia E. P., Piotto G., Tailo M.
MNRAS

Chemical Tagging of the Multiple Stellar Populations Over the Chromosome Maps
PDF Code Project DOI
Tailo M., Milone A. P., Marino A. F., D’Antona F., Cordoni G., Lagioia E. P.
ApJ

New analysis of the HB branch reveals breaks the degeneracy on the horizontal branch. Second generation stars need to lose more mass than first generation stars
PDF Code Project DOI
Milone A. P., Marino A. F., Renzini A., D’Antona F., Anderson J., Barbuy B., Bedin L. R., Bellini A., Brown T. M., Cassisi S., Cordoni G., Lagioia E. P., Nardiello D., Ortolani S., Piotto G., Sarajedini A., Tailo M., van der Marel R. P., Vesperini E.
MNRAS

Helium variations in multiple stellar populations for 58 galactic globular clusters
PDF Code Project DOI