Zobrazeno 1 - 10 of 84 pro vyhledávání: '"M Klein-Wolt"'
1
Identifying and characterising the population of hot sub-luminous stars with multi-colour MeerLICHT data
Autor: P. Ranaivomanana, C. Johnston, P. J. Groot, C. Aerts, R. Lees, L. IJspeert, S. Bloemen, M. Klein-Wolt, P. Woudt, E. Körding, R. Le Poole, D. Pieterse
Publikováno v: Astronomy & Astrophysics, 672, 1-24
Astronomy & Astrophysics, 672, pp. 1-24
Colour-magnitude diagrams reveal a population of blue (hot) sub-luminous objects with respect to the main sequence. These hot sub-luminous stars are the result of evolutionary processes that require stars to expel their obscuring, hydrogen-rich envel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c61f3a5b2315373fb3388167a91cc9e0
https://hdl.handle.net/2066/292543
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2
Akademický článek
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3
The 2019 outburst of AMXP SAX J1808.4-3658 and radio follow up of MAXI J0911-655 and XTE J1701-462
Autor: K V S Gasealahwe, I M Monageng, R P Fender, P A Woudt, S E Motta, J van den Eijnden, D R A Williams, I Heywood, S Bloemen, P J Groot, P Vreeswijk, V McBride, M Klein-Wolt, E Körding, R Le Poole, D Pieterse, S de Wet
Publikováno v: Gasealahwe, K V S, Monageng, I M, Fender, R P, Woudt, P A, Motta, S E, van den Eijnden, J, Williams, D R A, Heywood, I, Bloemen, S, Groot, P J, Vreeswijk, P, McBride, V, Klein-Wolt, M, Körding, E, Le Poole, R, Pieterse, D & de Wet, S 2023, ' The 2019 outburst of AMXP SAX J1808.4-3658 and radio follow up of MAXI J0911-655 and XTE J1701-462 ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 2, pp. 2806–2813 . https://doi.org/10.1093/mnras/stad649
Monthly Notices of the Royal Astronomical Society, 521, 2, pp. 2806-2813
Monthly Notices of the Royal Astronomical Society, 521, 2806-2813
We present radio coverage of the 2019 outburst of the accreting millisecond X-ray pulsar SAX J1808.4-3658, obtained with MeerKAT. We compare these data to contemporaneous X-ray and optical measurements in order to investigate the coupling between acc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31e9ebf2cbbf9e6671e83754a966ec49
https://hdl.handle.net/https://repository.ubn.ru.nl/handle/2066/292544
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5
A roadmap towards a space-based radio telescope for ultra-low frequency radio astronomy
Autor: Bert Monna, S. Engelen, J. Rotteveel, Raj Thilak Rajan, C.J.M. Verhoeven, A. van Veen, Heino Falcke, Eberhard Gill, Mark J. Bentum, Maneesh Verma, Albert-Jan Boonstra, M. Klein Wolt, Leonid I. Gurvits
Publikováno v: Advances in Space Research, 65, 856-867
Advances in Space Research, 65(2)
Advances in Space Research, 65, 2, pp. 856-867
Advances in Space Research, 65(2), 856-867. Elsevier
The past two decades saw a renewed interest in low frequency radio astronomy, with a particular focus on frequencies above 30 MHz. However, at frequencies below 30 MHz, Earth-based observations are limited due to a combination of severe ionospheric d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64694372c8c3c1153951d7698da7b237
https://doi.org/10.1016/j.asr.2019.09.007
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6
Solar Orbiter's first Venus flyby: Observations from the Radio and Plasma Wave instrument
Autor: L. Z. Hadid, N. J. T. Edberg, T. Chust, D. Píša, A. P. Dimmock, M. W. Morooka, M. Maksimovic, Yu. V. Khotyaintsev, J. Souček, M. Kretzschmar, A. Vecchio, O. Le Contel, A. Retino, R. C. Allen, M. Volwerk, C. M. Fowler, L. Sorriso-Valvo, T. Karlsson, O. Santolík, I. Kolmašová, F. Sahraoui, K. Stergiopoulou, X. Moussas, K. Issautier, R. M. Dewey, M. Klein Wolt, O. E. Malandraki, E. P. Kontar, G. G. Howes, S. D. Bale, T. S. Horbury, M. Martinović, A. Vaivads, V. Krasnoselskikh, E. Lorfèvre, D. Plettemeier, M. Steller, Š. Štverák, P. Trávníček, H. O’Brien, V. Evans, V. Angelini, M. C. Velli, I. Zouganelis
Publikováno v: Astronomy & astrophysics (Online) 656 (2021): A18-1–A18-11. doi:10.1051/0004-6361/202140934
info:cnr-pdr/source/autori:Hadid L.Z.; Edberg N.J.T.; Chust T.; Pisa D.; Dimmock A.P.; Morooka M.W.; Maksimovic M.; Khotyaintsev Y.V.; Soucek J.; Kretzschmar M.; Vecchio A.; Le Contel O.; Retino A.; Allen R.C.; Volwerk M.; Fowler C.M.; Sorriso-Valvo L.; Karlsson T.; Santolik O.; Kolmasova I.; Sahraoui F.; Stergiopoulou K.; Moussas X.; Issautier K.; Dewey R.M.; Klein Wolt M.; Malandraki O.E.; Kontar E.P.; Howes G.G.; Bale S.D.; Horbury T.S.; Martinovic M.; Vaivads A.; Krasnoselskikh V.; Lorfevre E.; Plettemeier D.; Steller M.; Stverak S.; Travnicek P.; O'brien H.; Evans V.; Angelini V.; Velli M.C.; Zouganelis I./titolo:Solar Orbiter's first Venus flyby: Observations from the Radio and Plasma Wave instrument/doi:10.1051%2F0004-6361%2F202140934/rivista:Astronomy & astrophysics (Online)/anno:2021/pagina_da:A18-1/pagina_a:A18-11/intervallo_pagine:A18-1–A18-11/volume:656
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2021, 656, pp.A18. ⟨10.1051/0004-6361/202140934⟩
Astronomy & Astrophysics, 656, 1-11
Astronomy & Astrophysics, 656, pp. 1-11
Context.On December 27, 2020, Solar Orbiter completed its first gravity assist manoeuvre of Venus (VGAM1). While this flyby was performed to provide the spacecraft with sufficient velocity to get closer to the Sun and observe its poles from progressi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b7ab8c0072dfc7ffed5d155dba0d8ac
https://hdl.handle.net/https://repository.ubn.ru.nl/handle/2066/244093
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7
A spectroscopic, photometric, polarimetric, and radio study of the eclipsing polar UZ Fornacis: the first simultaneous SALT and MeerKAT observations
Autor: Z N Khangale, S B Potter, P A Woudt, D A H Buckley, A N Semena, E J Kotze, D N Groenewald, D M Hewitt, M L Pretorius, R P Fender, P Groot, S Bloemen, M Klein-Wolt, E Körding, R Le Poole, V A McBride, L Townsend, K Paterson, D L A Pieterse, P Vreeswijk
Publikováno v: Monthly Notices of the Royal Astronomical Society, 492, 3, pp. 4298-4312
Monthly Notices of the Royal Astronomical Society, 492, 4298-4312
Monthly Notices of the Royal Astronomical Society, 492(3), 4298-4312
We present phase-resolved spectroscopy, photometry and circular spectropolarimetry of the eclipsing polar UZ Fornacis. Doppler tomography of the strongest emission lines using the inside-out projection revealed the presence of three emission regions:
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3277249108e2573ebdb51fef65658053
https://hdl.handle.net/2066/216860
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8
Inclination-dependent spectral and timing properties in transient black hole X-ray binaries
Autor: Phil Uttley, M. Klein-Wolt, Lucy Heil
Publikováno v: Monthly Notices of the Royal Astronomical Society, 448(4), 3348-3353. Oxford University Press
Monthly Notices of the Royal Astronomical Society, 448, 4, pp. 3348-3353
Monthly Notices of the Royal Astronomical Society, 448, 3348-3353
We use a simple one-dimensional parameterisation of timing properties to show that hard and hard-intermediate state transient black hole X-ray binaries with the same power-spectral shape have systematically harder X-ray power-law emission in higher-i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c09296c274f200240d12f4c18409515f
https://doi.org/10.1093/mnras/stv240
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9
The African Millimetre Telescope
Autor: Freek Roelofs, Michael Backes, R. Evans, G. MacLeod, Roger Deane, Raquel Fraga-Encinas, H. J. van Langevelde, John Conway, Ciriaco Goddi, Thomas P. Krichbaum, V. A. R. M. Ribeiro, M. Klein Wolt, Zhi-Qiang Shen, Heino Falcke, Cornelia Müller
Publikováno v: Proceedings of 4th Annual Conference on High Energy Astrophysics in Southern Africa — PoS(HEASA 2016).
It is believed that supermassive black holes are found in the centres of galaxies, including the Milky Way. Still, only indirect evidence has been gathered for the existence of these enigmatic objects that are predicted by the general theory of relat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b64b172628d3e9c4b3abfa3ac4ff39e9
https://doi.org/10.22323/1.275.0029
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10
Akademický článek
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