Zobrazeno 11 - 20
of 113
pro vyhledávání: '"Skalidis, R."'
The true 3-dimensional (3D) morphology of the Musca molecular cloud is a topic that has received significant attention lately. Given that Musca does not exhibit intense star-formation activity, unveiling its shape has the potential of also revealing
Externí odkaz:
http://arxiv.org/abs/2206.04074
Autor:
Skalidis, R., Tassis, K., Panopoulou, G. V., Pineda, J. L., Gong, Y., Mandarakas, N., Blinov, D., Kiehlmann, S., Kypriotakis, J. A.
Publikováno v:
A&A 665, A77 (2022)
Atomic gas in the diffuse interstellar medium (ISM) is organized in filamentary structures. These structures usually host cold and dense molecular clumps. The Galactic magnetic field is considered to play an important role in the formation of these c
Externí odkaz:
http://arxiv.org/abs/2110.11878
Publikováno v:
A&A 656, A118 (2021)
The magnetic field strength in interstellar clouds can be estimated indirectly by using the spread of dust polarization angles ($\delta \theta$). The method developed by Davis 1951 and by Chandrasekhar and Fermi 1953 (DCF) assumes that incompressible
Externí odkaz:
http://arxiv.org/abs/2109.10925
Autor:
Kiehlmann, S., Blinov, D., Liodakis, I., Pavlidou, V., Readhead, A. C. S., Angelakis, E., Casadio, C., Hovatta, T., Kylafis, N., Mahabal, A., Mandarakas, N., Myserlis, I., Panopoulou, G. V., Pearson, T. J., Ramaprakash, A., Reig, P., Skalidis, R., Slowikowska, A., Tassis, K., Zensus, J. A.
At optical wavelengths, blazar Electric Vector Position Angle (EVPA) rotations linked with gamma-ray activity have been the subject of intense interest and systematic investigation for over a decade. One difficulty in the interpretation of EVPA rotat
Externí odkaz:
http://arxiv.org/abs/2104.02622
Autor:
Blinov, D., Kiehlmann, S., Pavlidou, V., Panopoulou, G. V., Skalidis, R., Angelakis, E., Casadio, C., Einoder, E. N., Hovatta, T., Kokolakis, K., Kougentakis, A., Kus, A., Kylafis, N., Kyritsis, E., Lalakos, A., Liodakis, I., Maharana, S., Makrydopoulou, E., Mandarakas, N., Maragkakis, G. M., Myserlis, I., Papadakis, I., Paterakis, G., Pearson, T. J., Ramaprakash, A. N., Readhead, A. C. S., Reig, P., Słowikowska, A., Tassis, K., Xexakis, K., Żejmo, M., Zensus, J. A.
We present uniformly reprocessed and re-calibrated data from the RoboPol programme of optopolarimetric monitoring of active galactic nuclei (AGN), covering observations between 2013, when the instrument was commissioned, and 2017. In total, the datas
Externí odkaz:
http://arxiv.org/abs/2012.00008
Autor:
Skalidis, R., Pelgrims, V.
Publikováno v:
A&A 631, L11 (2019)
It has not been shown so far whether the diffuse Galactic polarized emission at frequencies relevant for cosmic microwave background (CMB) studies originates from nearby or more distant regions of our Galaxy. This questions previous attempts that hav
Externí odkaz:
http://arxiv.org/abs/1908.08706
Publikováno v:
A&A 624, L8 (2019)
Galactic dust emission is polarized at unexpectedly high levels, as revealed by Planck. The origin of the observed $\simeq 20\%$ polarization fractions can be identified by characterizing the properties of optical starlight polarization in a region w
Externí odkaz:
http://arxiv.org/abs/1903.09684
Autor:
Mandarakas, N., Blinov, D., Liodakis, I., Kouroumpatzakis, K., Zezas, A., Panopoulou, G. V., Myserlis, I., Angelakis, E., Hovatta, T., Kiehlmann, S., Kokolakis, K., Paleologou, E., Pouliasi, A., Skalidis, R., Pavlidou, V.
Publikováno v:
A&A 623, A61 (2019)
The third Fermi-LAT catalog (3FGL) presented the data of the first four years of observations from the Fermi Gamma-ray Space Telescope mission. There are 3034 sources, 1010 of which still remain unidentified. Identifying and classifying gamma-ray emi
Externí odkaz:
http://arxiv.org/abs/1810.06312
Autor:
Cantat-Gaudin, T., Krone-Martins, A., Sedaghat, N., Farahi, A., de Souza, R. S., Skalidis, R., Malz, A. I., Macêdo, S., Moews, B., Jordi, C., Moitinho, A., Castro-Ginard, A., Ishida, E. E. O., Heneka, C., Boucaud, A., Trindade, A. M. M.
Publikováno v:
A&A 624, A126 (2019)
Open clusters (OCs) are popular tracers of the structure and evolutionary history of the Galactic disk. The OC population is often considered to be complete within 1.8 kpc of the Sun. The recent Gaia Data Release 2 (DR2) allows the latter claim to be
Externí odkaz:
http://arxiv.org/abs/1810.05494
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