Zobrazeno 1 - 10
of 163
pro vyhledávání: '"K. Tassis"'
Autor:
V. Daskalopoulou, P. I. Raptis, A. Tsekeri, V. Amiridis, S. Kazadzis, Z. Ulanowski, V. Charmandaris, K. Tassis, W. Martin
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 4529-4550 (2023)
Dust particles in lofted atmospheric layers may present a preferential orientation, which could be detected from the resulting dichroic extinction of the transmitted sunlight. The first indications were provided relatively recently on atmospheric dus
Externí odkaz:
https://doaj.org/article/aaab7a9c60734d92915f31c28adbc7ab
Autor:
A. C. S Readhead, V. Ravi, R. D. Blandford, A. G. Sullivan, J. Somalwar, M. C. Begelman, M. Birkinshaw, I. Liodakis, M. L. Lister, T. J. Pearson, G. B. Taylor, P. N. Wilkinson, N. Globus, S. Kiehlmann, C. R. Lawrence, D. Murphy, S. O’Neill, V. Pavlidou, E. Sheldahl, A. Siemiginowska, K. Tassis
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 2, p 242 (2024)
We use a sample of 54 compact symmetric objects (CSOs) to confirm that there are two unrelated CSO classes: an edge-dimmed, low-luminosity class (CSO 1), and an edge-brightened, high-luminosity class (CSO 2). Using blind tests, we show that CSO 2s co
Externí odkaz:
https://doaj.org/article/02064a117a3345868f790e61f53e83cf
Autor:
S. Kiehlmann, M. L. Lister, A. C. S Readhead, I. Liodakis, Sandra O’Neill, T. J. Pearson, Evan Sheldahl, Aneta Siemiginowska, K. Tassis, G. B. Taylor, P. N. Wilkinson
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 2, p 240 (2024)
Compact symmetric objects (CSOs) are jetted active galactic nuclei (AGN) with overall projected size 700 mJy is between (6.8 ± 1.6)% and (8.5 ± 1.8)%.
Externí odkaz:
https://doaj.org/article/4673032416ce4c5d80e7eec6bd30f210
Autor:
S. Kiehlmann, A. C. S. Readhead, S. O’Neill, P. N. Wilkinson, M. L. Lister, I. Liodakis, S. Bruzewski, V. Pavlidou, T. J. Pearson, E. Sheldahl, A. Siemiginowska, K. Tassis, G. B. Taylor
Publikováno v:
The Astrophysical Journal, Vol 961, Iss 2, p 241 (2024)
Compact symmetric objects (CSOs) are compact (99%) of CSO 2s do not evolve into larger-scale radio sources. These CSO 2s belong to a distinct population of jetted AGN, which should be characterized as “short-lived,” as opposed to “young,” com
Externí odkaz:
https://doaj.org/article/9ec3739c56de4661abd0569f7e47dcff
Autor:
V. Daskalopoulou, S. A. Mallios, Z. Ulanowski, G. Hloupis, A. Gialitaki, I. Tsikoudi, K. Tassis, V. Amiridis
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 927-949 (2021)
We report on the electric field variations during Saharan dust advection over two atmospheric remote stations in Greece, using synergistic observations of the vertical atmospheric electric field strength (Ez) at ground level and the lidar-derived par
Externí odkaz:
https://doaj.org/article/8277f15c96cd4527a77a16c8647a6538
Autor:
C. Iavazzo, K. Tassis, D. Gourgiotis, M. Boutsikou, S. Baka, D. Hassiakos, C. Vogiatzi, L. Florentin-Arar, A. Malamitsi-Puchner
Publikováno v:
Mediators of Inflammation, Vol 2009 (2009)
Backgound. The existence of a “placental clock” which determines the duration of gestation has been previously proposed. It is related to placental CRH secretion and is active from an early phase in human pregnancy. Urocortin is a specific ligand
Externí odkaz:
https://doaj.org/article/3a7e5738724343d681395c27e034f09d
Magnetohydrodynamic (MHD) turbulence is a cross-field process relevant to many systems. A prerequisite for understanding these systems is to constrain the role of MHD turbulence, and in particular, the energy exchange between kinetic and magnetic for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e2c137553a78f7482b29f0bf39e1fa8
https://resolver.caltech.edu/CaltechAUTHORS:20230601-109410300.2
https://resolver.caltech.edu/CaltechAUTHORS:20230601-109410300.2
Autor:
R. Skalidis, K. Gkimisi, K. Tassis, G. V. Panopoulou, V. Pelgrims, A. Tritsis, P. F. Goldsmith
The formation of molecular gas in interstellar clouds is a slow process, but is enhanced by gas compression. Magnetohydrodynamic (MHD) waves create compressed quasiperiodic linear structures, referred to as striations. Striations are observed at colu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c81f8ac447b35a315e46fc4e7036be37
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Autor:
N. Mandarakas, D. Blinov, D. R. Aguilera-Dena, S. Romanopoulos, V. Pavlidou, K. Tassis, J. Antoniadis, S. Kiehlmann, A. Lychoudis, L. F. Tsemperof Kataivatis
We report on the follow-up of the extremely bright long gamma-ray burst GRB~210619B with optical polarimetry. We conducted optopolarimetric observations of the optical afterglow of GRB~210619B in the SDSS-r band in the time window ~ 5967 - 8245 secon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::faad231acaec76a5eaab965f250fd46f
http://arxiv.org/abs/2208.13821
http://arxiv.org/abs/2208.13821