Zobrazeno 31 - 40
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pro vyhledávání: '"de Boer, Thomas"'
Akademický článek
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Akademický článek
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Autor:
Vincenzo, Fiorenzo, Matteucci, Francesca, de Boer, Thomas J. L., Cignoni, Michele, Tosi, Monica
We present a novel approach to draw the synthetic color-magnitude diagram of galaxies, which can provide - in principle - a deeper insight in the interpretation and understanding of current observations. In particular, we `light up' the stars of chem
Externí odkaz:
http://arxiv.org/abs/1605.03606
Autor:
Martin, Nicolas F., Nidever, David L., Besla, Gurtina, Olsen, Knut, Walker, Alistair R., Vivas, A. Katherina, Gruendl, Robert A., Kaleida, Catherine C., Muñoz, Ricardo R., Blum, Robert D., Saha, Abhijit, Conn, Blair C., Bell, Eric F., Chu, You-Hua, Cioni, Maria-Rosa L., de Boer, Thomas J. L., Gallart, Carme, Jin, Shoko, Kunder, Andrea, Majewski, Steven R., Martinez-Delgado, David, Monachesi, Antonela, Monelli, Matteo, Monteagudo, Lara, Noël, Noelia E. D., Olszewski, Edward W., Stringfellow, Guy S., van der Marel, Roeland P., Zaritsky, Denis
We present the discovery of a new dwarf galaxy, Hydra II, found serendipitously within the data from the ongoing Survey of the MAgellanic Stellar History (SMASH) conducted with the Dark Energy Camera on the Blanco 4m Telescope. The new satellite is c
Externí odkaz:
http://arxiv.org/abs/1503.06216
Akademický článek
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We combine the detailed Star Formation Histories of the Fornax and Sculptor dwarf Spheroidals with the Mass Assembly History of their dark matter (DM) halo progenitors to estimate if the energy deposited by Supernova type II (SNeII) is sufficient to
Externí odkaz:
http://arxiv.org/abs/1309.5958
We have performed the first detailed simulation of the horizontal branch of the Sculptor dwarf spheroidal galaxy by means of synthetic modelling techniques,taking consistently into account the star formation history and metallicity evolution as deter
Externí odkaz:
http://arxiv.org/abs/1309.4353
The evolution of small systems such as dwarf spheroidal galaxies (dSph) is likely to have been a balance between external environmental effects and internal processes within their own relatively shallow potential wells. Assessing how strong such envi
Externí odkaz:
http://arxiv.org/abs/1211.4875
Autor:
Starkenburg, Else, Hill, Vanessa, Tolstoy, Eline, Francois, Patrick, Irwin, Mike J., Boschman, Leon, Venn, Kim A., de Boer, Thomas J. L., Lemasle, Bertrand, Jablonka, Pascale, Battaglia, Giuseppina, Groot, Paul, Kaper, Lex
Publikováno v:
Astronomy and Astrophysics, 2013, 549, A88
We present abundances for seven stars in the (extremely) low-metallicity tail of the Sculptor dwarf spheroidal galaxy, from spectra taken with X-shooter on the ESO VLT. Targets were selected from the Ca II triplet (CaT) survey of the Dwarf Abundances
Externí odkaz:
http://arxiv.org/abs/1211.4592
Autor:
Starkenburg, Else, Hill, Vanessa, Tolstoy, Eline, Hernández, Jonay I. González, Irwin, Mike, Helmi, Amina, Battaglia, Giuseppina, Jablonka, Pascale, Tafelmeyer, Martin, Shetrone, Matthew, Venn, Kim, de Boer, Thomas
Publikováno v:
Astronomy and Astrophysics, 513, A34 (2010)
The NIR Ca II triplet absorption lines have proven to be an important tool for quantitative spectroscopy of individual red giant branch stars in the Local Group, providing a better understanding of metallicities of stars in the Milky Way and dwarf ga
Externí odkaz:
http://arxiv.org/abs/1002.2963