Ruprecht-Karls-Universität Heidelberg
Subproject A8: Uncovering the Galactic Stellar Halo Build-Up Through Chemodynamics of Globular Clusters

Subproject A8: Uncovering the Galactic Stellar Halo Build-Up Through Chemodynamics of Globular Clusters

Glenn van de Ven (MPIA), Eva K. Grebel (ARI), Norbert Christlieb (LSW)

Up to two thirds of the Galactic halo globular clusters may have been accreted as part of dwarf galaxies, as suggested by the bimodal age-metallicity relation of globular clusters. The properties of the globular clusters can tell us about the small host galaxies in which they formed based on empirical mass-metallicity relations. Globular clusters themselves may get disrupted in the Galactic potential, contributing their stars to the halo field population. If they are sufficiently massive to contain multiple stellar populations, they will contribute both first-generation stars (which are chemically indistinguishable from halo field stars) and second-generation stars (which are enriched in light elements and possibly helium). In the first funding period, we found (as part of subproject A3) that a small fraction of inner halo stars shows light element abundance anomalies that are only found in second-generation stars observed in GCs, enabling us to make a first crude estimate of the contribution of globular clusters to the halo field star component. This discovery led to the inception of the new subproject A8, in which these issues will be explored in more detail using both chemical tagging and Gaia phase space information.

In the second funding period, we want to elucidate (1) the dwarf galaxy contribution to the Galactic halo using globular clusters as tracers, and (2) quantify the globular cluster contribution to the field using the unique chemical signature of so-called second-generation stars. The properties of these stars also allow us to constrain models for the formation of multiple populations in globular clusters.

Publications

Milone, A. P.; Marino, A. F.; Mastrobuono-Battisti, A.; Lagioia, E. P.
10/2018 MNRAS 479, 5005


Chen, Boquan; D’Onghia, Elena; Pardy, Stephen A.; Pasquali, Anna; Bertelli Motta, Clio; Hanlon, Bret; Grebel, Eva K.
06/2018 ApJ 860, 70


Leung, Gigi Y. C.; Leaman, Ryan; van de Ven, Glenn; Lyubenova, Mariya; Zhu, Ling; Bolatto, Alberto D.; Falcón-Barroso, Jesus; Blitz, Leo; Dannerbauer, Helmut; Fisher, David B.; Levy, Rebecca C.; Sanchez, Sebastian F.; Utomo, Dyas; Vogel, Stuart; Wong, Tony; Ziegler, Bodo
06/2018 MNRAS 477, 254


Sollima, A.; Martínez Delgado, D.; Muñoz, R. R.; Carballo-Bello, J. A.; Valls-Gabaud, D.; Grebel, E. K.; Santana, F. A.; Côté, P.; Djorgovski, S. G.
06/2018 MNRAS 476, 4814


Hollyhead, K.; Lardo, C.; Kacharov, N.; Bastian, N.; Hilker, M.; Rejkuba, M.; Koch, A.; Grebel, E. K.; Georgiev, I.
05/2018 MNRAS 476, 114


Pinna, F.; Falcón-Barroso, J.; Martig, M.; Martínez-Valpuesta, I.; Méndez-Abreu, J.; van de Ven, G.; Leaman, R.; Lyubenova, M.
04/2018 MNRAS 475, 2697


Kunder, Andrea; Mills, Arthur; Edgecomb, Joseph; Thomas, Mathew; Schilter, Levi; Boyle, Craig; Parker, Stephen; Bellevue, Gordon; Rich, R. Michael; Koch, Andreas; Johnson, Christian I.; Nataf, David M.
04/2018 AJ 155, 171


Abbate, F.; Mastrobuono-Battisti, A.; Colpi, M.; Possenti, A.; Sippel, A. C.; Dotti, M.
01/2018 MNRAS 473, 927


Martín-Navarro, Ignacio; Brodie, Jean P.; Romanowsky, Aaron J.; Ruiz-Lara, Tomás; van de Ven, Glenn
01/2018 Natur 553, 307


Zhu, Ling; van den Bosch, Remco; van de Ven, Glenn; Lyubenova, Mariya; Falcón-Barroso, Jesús; Meidt, Sharon E.; Martig, Marie; Shen, Juntai; Li, Zhao-Yu; Yildirim, Akin; Walcher, C. Jakob; Sanchez, Sebastian F.
01/2018 MNRAS 473, 3000


Koch, Andreas; Hansen, Terese T.; Kunder, Andrea
01/2018 A&A 609, A13


Koch, Andreas; Kunder, Andrea; Wojno, Jennifer
09/2017 A&A 605, A128


Bianchini, P.; Sills, A.; van de Ven, G.; Sippel, A. C.
08/2017 MNRAS 469, 4359


Zibetti, Stefano; Gallazzi, Anna R.; Ascasibar, Y.; Charlot, S.; Galbany, L.; García Benito, R.; Kehrig, C.; de Lorenzo-Cáceres, A.; Lyubenova, M.; Marino, R. A.; Márquez, I.; Sánchez, S. F.; van de Ven, G.; Walcher, C. J.; Wisotzki, L.
06/2017 MNRAS 468, 1902


de Vita, R.; Trenti, M.; Bianchini, P.; Askar, A.; Giersz, M.; van de Ven, G.
06/2017 MNRAS 467, 4057


Feldmeier-Krause, A.; Zhu, L.; Neumayer, N.; van de Ven, G.; de Zeeuw, P. T.; Schödel, R.
04/2017 MNRAS 466, 4040


Niederhofer, F.; Bastian, N.; Kozhurina-Platais, V.; Larsen, S.; Hollyhead, K.; Lardo, C.; Cabrera-Ziri, I.; Kacharov, N.; Platais, I.; Salaris, M.; Cordero, M.; Dalessandro, E.; Geisler, D.; Hilker, M.; Li, C.; Mackey, D.; Mucciarelli, A.
03/2017 MNRAS 465, 4159


Cordero, M. J.; Hénault-Brunet, V.; Pilachowski, C. A.; Balbinot, E.; Johnson, C. I.; Varri, A. L.
03/2017 MNRAS 465, 3515


Tsatsi, Athanasia; Mastrobuono-Battisti, Alessandra; van de Ven, Glenn; Perets, Hagai B.; Bianchini, Paolo; Neumayer, Nadine
01/2017 MNRAS 464, 3720


Niederhofer, F.; Bastian, N.; Kozhurina-Platais, V.; Larsen, S.; Salaris, M.; Dalessandro, E.; Mucciarelli, A.; Cabrera-Ziri, I.; Cordero, M.; Geisler, D.; Hilker, M.; Hollyhead, K.; Kacharov, N.; Lardo, C.; Li, C.; Mackey, D.; Platais, I.
01/2017 MNRAS 464, 94


Zhu, Ling; van de Ven, Glenn; Watkins, Laura L.; Posti, Lorenzo
11/2016 MNRAS 463, 1117


Bianchini, P.; van de Ven, G.; Norris, M. A.; Schinnerer, E.; Varri, A. L.
06/2016 MNRAS 458, 3644


Anguiano, B.; De Silva, G. M.; Freeman, K.; Da Costa, G. S.; Zwitter, T.; Quillen, A. C.; Zucker, D. B.; Navarro, J. F.; Kunder, A.; Siebert, A.; Wyse, R. F. G.; Grebel, E. K.; Kordopatis, G.; Gibson, B. K.; Seabroke, G.; Sharma, S.; Wojno, J.; Bland-Hawthorn, J.; Parker, Q. A.; Steinmetz, M.; Boeche, C.; Gilmore, G.; Bienaymé, O.; Reid, W.; Watson, F.
04/2016 MNRAS 457, 2078


Bianchini, P.; Norris, M. A.; van de Ven, G.; Schinnerer, E.; Bellini, A.; van der Marel, R. P.; Watkins, L. L.; Anderson, J.
03/2016 ApJ 820, L22


Anguiano, B.; Zucker, D. B.; Scholz, R.-D.; Grebel, E. K.; Seabroke, G.; Kunder, A.; Binney, J.; McMillan, P. J.; Zwitter, T.; Wyse, R. F. G.; Kordopatis, G.; Bienaymé, O.; Bland-Hawthorn, J.; Boeche, C.; Freeman, K. C.; Gibson, B. K.; Gilmore, G.; Munari, U.; Navarro, J.; Parker, Q.; Reid, W.; Siebert, A.; Siviero, A.; Steinmetz, M.; Watson, F.
08/2015 MNRAS 451, 1229


Cordero, M. J.; Hansen, C. J.; Johnson, C. I.; Pilachowski, C. A.
07/2015 ApJ 808, L10


Kunder, Andrea; Rich, R. M.; Hawkins, K.; Poleski, R.; Storm, J.; Johnson, C. I.; Shen, J.; Li, Z.-Y.; Cordero, M. J.; Nataf, D. M.; Bono, G.; Walker, A. R.; Koch, A.; De Propris, R.; Udalski, A.; Szymanski, M. K.; Soszynski, I.; Pietrzynski, G.; Ulaczyk, K.; Wyrzykowski, L.; Pietrukowicz, P.; Skowron, J.; Kozlowski, S.; Mróz, P.
07/2015 ApJ 808, L12


Editor: T. Lisker
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