Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Varsha Ramachandran"'
Autor:
Varsha Ramachandran
Publikováno v:
Film International. 20:181-185
Autor:
Sam Geen, Poojan Agrawal, Paul A. Crowther, B. W. Keller, Alex de Koter, Zsolt Keszthelyi, Freeke van de Voort, Ahmad A. Ali, Frank Backs, Lars Bonne, Vittoria Brugaletta, Annelotte Derkink, Sylvia Ekström, Yvonne A. Fichtner, Luca Grassitelli, Ylva Götberg, Erin R. Higgins, Eva Laplace, Kong You Liow, Marta Lorenzo, Anna F. McLeod, Georges Meynet, Megan Newsome, G. André Oliva, Varsha Ramachandran, Martin P. Rey, Steven Rieder, Emilio Romano-Díaz, Gautham Sabhahit, Andreas A. C. Sander, Rafia Sarwar, Hanno Stinshoff, Mitchel Stoop, Dorottya Szécsi, Maxime Trebitsch, Jorick S. Vink, Ethan Winch
Publikováno v:
Publications of the Astronomical Society of the Pacific, 2023, Vol.135(1044) [Peer Reviewed Journal]
Stars strongly impact their environment, and shape structures on all scales throughout the universe, in a process known as “feedback.” Due to the complexity of both stellar evolution and the physics of larger astrophysical structures, there remai
The Magellanic Bridge stretching between the SMC and LMC is the nearest tidally stripped intergalactic environment and has a low average metallicity of $Z~0.1Z_{\odot}$. Here we report the first discovery of three O-type stars in the Bridge using arc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6591c1e5efcaf892589ca53c534d1431
Autor:
A. F. J. Moffat, D. P. Sablowski, Tomer Shenar, Y. Götberg, Helge Todt, Dany Vanbeveren, Nicole St-Louis, Rainer Hainich, Andreas Sander, Hugues Sana, Lida Oskinova, W.-R. Hamann, Varsha Ramachandran, O. Schnurr
Massive Wolf-Rayet (WR) stars dominate the radiative and mechanical energy budget of galaxies and probe a critical phase in the evolution of massive stars prior to core-collapse. It is not known whether core He-burning WR stars (classical WR, cWR) fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd05c15a22c641a8000bf532c4ef1438
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/48802
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/48802
Autor:
Varsha Ramachandran, A. Liermann, Lidia M. Oskinova, Götz Gräfener, Rainer Hainich, H. Todt, Tomer Shenar, Wolf-Rainer Hamann, Andreas Sander
Comprehensive spectral analyses of the Galactic Wolf-Rayet stars of the nitrogen sequence (i.e.\ the WN subclass) have been performed in a previous paper. However, the distances of these objects were poorly known. Distances have a direct impact on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99c12bcf11765d3cdbd11a19684bbd37
Publikováno v:
Web of Science
The supergiant ionized shell SMC-SGS 1 (DEM 167), located in the outer Wing of the Small Magellanic Cloud (SMC), resembles structures that originate from an energetic star-formation event and later stimulate star formation as they expand into the amb
Autor:
Tomer Shenar, M. Munoz, Rainer Hainich, W.-R. Hamann, A. F. J. Moffat, Hugues Sana, Lida Oskinova, Andreas Sander, Varsha Ramachandran, H. Pablo, Helge Todt
Context. SMC AB 6 is the shortest-period (P = 6.5 d) Wolf-Rayet (WR) binary in the Small Magellanic Cloud. This binary is therefore a key system in the study of binary interaction and formation of WR stars at low metallicity. The WR component in AB 6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a33b5443386187b7b61de377626442d
https://lirias.kuleuven.be/handle/123456789/630887
https://lirias.kuleuven.be/handle/123456789/630887
Autor:
John S. Gallagher, Tomer Shenar, Rainer Hainich, Wolf-Rainer Hamann, Lidia M. Oskinova, Andreas Sander, Helge Todt, Varsha Ramachandran
Publikováno v:
NASA Astrophysics Data System
Clusters or associations of early-type stars are often associated with a 'superbubble' of hot gas. The formation of such superbubbles is caused by the feedback from massive stars. The complex N206 in the Large Magellanic Cloud exhibits a superbubble
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f038a2404353cbe43fa032fe75f67a92
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/52487
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/52487
Autor:
Lidia M. Oskinova, Varsha Ramachandran, Wolf-Rainer Hamann, Andreas Sander, Rainer Hainich, Tomer Shenar, H. Todt
Publikováno v:
Web of Science
Wolf-Rayet stars of the carbon sequence (WC stars) are an important cornerstone in the late evolution of massive stars before their core collapse. As core-helium burning, hydrogen-free objects with huge mass-loss, they are likely the last observable
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e26271a20181c79091921907eeebadf
Autor:
Varsha Ramachandran, Rainer Hainich, Andreas Sander, W.-R. Hamann, John S. Gallagher, Lida Oskinova, Tomer Shenar, Helge Todt
Publikováno v:
NASA Astrophysics Data System
Massive stars are the key agents of feedback. Consequently, quantitative analysis of massive stars are required to understand how the feedback of these objects shapes/ creates the large scale structures of the ISM. The giant HII region N206 in the La
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bdb9d651edb712250eb399b5afea284a
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/54697
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/54697