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Your search keyword '"Steinmetz M"' showing total 48 results
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48 results on '"Steinmetz M"'

1. PLATO as it is: A legacy mission for Galactic archaeology

Author

Miglio, A., primary, Chiappini, C., additional, Mosser, B., additional, Davies, G. R., additional, Freeman, K., additional, Girardi, L., additional, Jofré, P., additional, Kawata, D., additional, Rendle, B. M., additional, Valentini, M., additional, Casagrande, L., additional, Chaplin, W. J., additional, Gilmore, G., additional, Hawkins, K., additional, Holl, B., additional, Appourchaux, T., additional, Belkacem, K., additional, Bossini, D., additional, Brogaard, K., additional, Goupil, M.‐J., additional, Montalbán, J., additional, Noels, A., additional, Anders, F., additional, Rodrigues, T., additional, Piotto, G., additional, Pollacco, D., additional, Rauer, H., additional, Prieto, C. Allende, additional, Avelino, P. P., additional, Babusiaux, C., additional, Barban, C., additional, Barbuy, B., additional, Basu, S., additional, Baudin, F., additional, Benomar, O., additional, Bienaymé, O., additional, Binney, J., additional, Bland‐Hawthorn, J., additional, Bressan, A., additional, Cacciari, C., additional, Campante, T. L., additional, Cassisi, S., additional, Christensen‐Dalsgaard, J., additional, Combes, F., additional, Creevey, O., additional, Cunha, M. S., additional, Jong, R. S., additional, Laverny, P., additional, Degl'Innocenti, S., additional, Deheuvels, S., additional, Depagne, É., additional, Ridder, J., additional, Matteo, P. Di, additional, Mauro, M. P. Di, additional, Dupret, M.‐A., additional, Eggenberger, P., additional, Elsworth, Y., additional, Famaey, B., additional, Feltzing, S., additional, García, R. A., additional, Gerhard, O., additional, Gibson, B. K., additional, Gizon, L., additional, Haywood, M., additional, Handberg, R., additional, Heiter, U., additional, Hekker, S., additional, Huber, D., additional, Ibata, R., additional, Katz, D., additional, Kawaler, S. D., additional, Kjeldsen, H., additional, Kurtz, D. W., additional, Lagarde, N., additional, Lebreton, Y., additional, Lund, M. N., additional, Majewski, S. R., additional, Marigo, P., additional, Martig, M., additional, Mathur, S., additional, Minchev, I., additional, Morel, T., additional, Ortolani, S., additional, Pinsonneault, M. H., additional, Plez, B., additional, Moroni, P. G. Prada, additional, Pricopi, D., additional, Recio‐Blanco, A., additional, Reylé, C., additional, Robin, A., additional, Roxburgh, I. W., additional, Salaris, M., additional, Santiago, B. X., additional, Schiavon, R., additional, Serenelli, A., additional, Sharma, S., additional, Aguirre, V. Silva, additional, Soubiran, C., additional, Steinmetz, M., additional, Stello, D., additional, Strassmeier, K. G., additional, Ventura, P., additional, Ventura, R., additional, Walton, N. A., additional, and Worley, C. C., additional

Published
2017
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4. Disc heating: comparing the Milky Way with cosmological simulations

Author

House, E. L., Brook, C. B., Gibson, B. K., Sanchez-blazquez, P., Courty, S., Few, C. G., Governato, F., Kawata, D., Roškar, R., Steinmetz, M., Stinson, G. S., Teyssier, R., House, E. L., Brook, C. B., Gibson, B. K., Sanchez-blazquez, P., Courty, S., Few, C. G., Governato, F., Kawata, D., Roškar, R., Steinmetz, M., Stinson, G. S., and Teyssier, R.

Abstract

We present an analysis of a suite of simulations run with different particle- and grid-based cosmological hydrodynamical codes and compare them with observational data of the Milky Way. This is the first study to make comparisons of properties of galaxies simulated with particle- and grid-based codes. Our analysis indicates that there is broad agreement between these different modelling techniques. We study the velocity dispersion–age relation for disc stars at z= 0 and find that four of the simulations are more consistent with observations by Holmberg, Nordstroem & Andersen in which the stellar disc appears to undergo continual/secular heating. Two other simulations are in better agreement with the Quillen & Garnett observations that suggest ‘saturation’ in the heating profile for young stars in the disc. None of the simulations has thin discs as old as that of the Milky Way. We also analyse the kinematics of disc stars at the time of their birth for different epochs in the galaxies’ evolution and find that in some simulations old stars are born cold within the disc and are subsequently heated, while other simulations possess old stellar populations which are born relatively hot. The models which are in better agreement with observations of the Milky Way’s stellar disc undergo significantly lower minor-merger/assembly activity after the last major merger, that is, once the disc has formed. All of the simulations are significantly ‘hotter’ than the Milky Way disc; on top of the effects of mergers, we find a ‘floor’ in the dispersion that is related to the underlying treatment of the heating and cooling of the interstellar medium, and the low density threshold which such codes use for star formation. This finding has important implications for all studies of disc heating that use hydrodynamical codes.

Published
2011

14. Literaturkarussell. Biologie

Author

Steinmetz, M., primary, Pütsch, M., additional, Manitz, R., additional, Kremer, B. P., additional, Storch, V., additional, Schoenbeck, U. V., additional, and Herrhausen, B., additional

Published
1993
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47. Implementation of nuclear gradients of range-separated hybrid density functionals and benchmarking on rotational constants for organic molecules.

Author

Risthaus T, Steinmetz M, and Grimme S

Abstract

We have implemented the nuclear gradient for several range-separated hybrid density functionals in the general quantum chemistry code ORCA. To benchmark the performance, we have used a recently published set of back-corrected gas phase rotational constants, which we extended by three molecules. In our evaluation, CAM-B3LYP-D3 and ωB97X-D3 show great accuracy, and are surpassed by B2PLYP-D3 only. Lower-cost alternatives to quadruple-ζ basis set-based calculations, among them a smaller basis set and the use of resolution-of-the-identity approaches, are assessed and shown to yield acceptable deviations. In addition, the Hartree-Fock-based back-correction method is compared to a density functional theory alternative, which largely shows consistency between the two. A new, well-performing, spin-component scaled MP2 variant is designed and discussed, as well., (Copyright © 2014 Wiley Periodicals, Inc.)

Published
2014
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48. Recent experiments with MHC knock-out mice: more questions than answers.

Author

Steinmetz M and Haas W

Subjects
Animals, CD4 Antigens biosynthesis, CD4 Antigens genetics, CD4 Antigens immunology, Cytotoxicity, Immunologic, Graft Rejection immunology, H-2 Antigens genetics, Mice, Mice, Knockout genetics, Receptors, Antigen, T-Cell, alpha-beta genetics, Recombinant Fusion Proteins biosynthesis, Recombinant Fusion Proteins genetics, Recombinant Fusion Proteins immunology, Skin Transplantation immunology, T-Lymphocyte Subsets immunology, beta 2-Microglobulin deficiency, beta 2-Microglobulin genetics, Immunologic Deficiency Syndromes genetics, Major Histocompatibility Complex genetics, Mice, Knockout immunology
Published
1993
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