Zobrazeno 1 - 10
of 233
pro vyhledávání: '"Klvaňa P"'
Publikováno v:
Methods in Ecology and Evolution, Vol 15, Iss 2, Pp 388-400 (2024)
Abstract Population growth is the sum of survival and recruitment, and knowledge of these two vital rates is crucial for understanding population dynamics. Moreover, animal populations often contain varying number of transient (i.e. nonresident) indi
Externí odkaz:
https://doaj.org/article/1c9c3bc3fc6b47b2800229b654809d89
Autor:
Denker, C., von der Lühe, O., Feller, A., Arlt, K., Balthasar, H., Bauer, S. -M., González, N. Bello, Berkefeld, T., Caligari, P., Collados, M., Fischer, A., Granzer, T., Hahn, T., Halbgewachs, C., Heidecke, F., Hofmann, A., Kentischer, T., Klvaňa, M., Kneer, F., Lagg, A., Nicklas, H., Popow, E., Puschmann, K. G., Rendtel, J., Schmidt, D., Schmidt, W., Sobotka, M., Solanki, S. K., Soltau, D., Staude, J., Strassmeier, K. G., Volkmer, R., Waldmann, T., Wiehr, E., Wittmann, A. D., Woche, M.
In this review, we look back upon the literature, which had the GREGOR solar telescope project as its subject including science cases, telescope subsystems, and post-focus instruments. The articles date back to the year 2000, when the initial concept
Externí odkaz:
http://arxiv.org/abs/1210.3167
Solar supergranulation remains a mystery in spite of decades of intensive studies. Most of the papers about supergranulation deal with its surface properties. Local helioseismology provides an opportunity to look below the surface and see the vertica
Externí odkaz:
http://arxiv.org/abs/1006.0617
In a recent paper (Svanda et al., 2008, A&A 477, 285) we pointed out that, based on the tracking of Doppler features in the full-disc MDI Dopplergrams, the active regions display two dynamically different regimes. We speculated that this could be a m
Externí odkaz:
http://arxiv.org/abs/0908.3183
Akademický článek
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Autor:
Svanda, Michal, Klvana, Mirek, Sobotka, Michal, Kosovichev, Alexander G., Duvall, Jr., Tom L.
In the recent papers, we introduced a method utilised to measure the flow field. The method is based on the tracking of supergranular structures. We did not precisely know, whether its results represent the flow field in the photosphere or in some su
Externí odkaz:
http://arxiv.org/abs/0812.1971
The motions of the plasma and structures in and below the solar photosphere is not well understood. The results obtained using various methods cannot be in general considered as consistent, especially in details. In this contribution we show a summar
Externí odkaz:
http://arxiv.org/abs/0809.4757
Recently, we have developed a method useful for mapping large-scale horizontal velocity fields in the solar photosphere. The method was developed, tuned and calibrated using the synthetic data. Now, we applied the method to the series of Michelson Do
Externí odkaz:
http://arxiv.org/abs/0710.2693
Autor:
Balthasar, H., von der Lühe, O., Kneer, F., Staude, J., Volkmer, R., Berkefeld, T., Caligari, P., Collados, M., Halbgewachs, C., Heidecke, F., Hofmann, A., Klvana, M., Nicklas, H., Popow, E., Puschmann, K., Schmidt, W., Sobotka, M., Soltau, D., Strassmeier, K., Wittmann, A.
GREGOR is a new open solar telescope with an aperture of 1.5m. It replaces the former 45-cm Gregory Coude telescope on the Canary island Tenerife. The optical concept is that of a double Gregory system. The main and the elliptical mirrors are made fr
Externí odkaz:
http://arxiv.org/abs/0704.2693
We propose a useful method for mapping large-scale velocity fields in the solar photosphere. It is based on the local correlation tracking algorithm when tracing supergranules in full-disc dopplergrams. The method was developed using synthetic data.
Externí odkaz:
http://arxiv.org/abs/astro-ph/0608443