Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Madura, Thomas I."'
Autor:
Hamaguchi, Kenji, Corcoran, Michael F., Pittard, Julian M., Sharma, Neetika, Takahashi, Hiromitsu, Russell, Christopher M. P., Grefenstette, Brian W., Wik, Daniel R., Gull, Theodore R., Richardson, Noel D., Madura, Thomas I., Moffat, Anthony F. J.
Publikováno v:
Nature Astronomy 2 (2018) 731-736
Cosmic-ray acceleration has been a long-standing mystery and despite more than a century of study, we still do not have a complete census of acceleration mechanisms. The collision of strong stellar winds in massive binary systems creates powerful sho
Externí odkaz:
http://arxiv.org/abs/1904.09219
Autor:
Damineli, Augusto, Fernández-Lajús, Eduardo, Almeida, Leonardo A., Corcoran, Michael Francis, Damineli, Daniel S. C., Gull, Ted R., Hamaguchi, Kenji, Hillier, Desmond John, Jablonski, Francisco J., Madura, Thomas I., Moffat, Anthony F. J., Navarete, Felipe, Richardson, Noel D., Ruiz, Guilherme F., Salerno, Nicolás E., Scalia, Maria Cecilia, Weigelt, Gerd.
The interacting binary Eta Carinae remains one of the most enigmatic massive stars in our Galaxy despite over four centuries of observations. In this work, its light curve from the ultraviolet to the near-infrared is analysed using spatially resolved
Externí odkaz:
http://arxiv.org/abs/1901.00531
Autor:
Richardson, Noel D., Pablo, Herbert, Sterken, Christiaan, Pigulski, Andrzej, Koenigsberger, Gloria, Moffat, Anthony F. J., Madura, Thomas I., Hamaguchi, Kenji, Corcoran, Michael F., Damineli, Augusto, Gull, Theodore R., Hillier, D. John, Weigelt, Gerd, Handler, Gerald, Popowicz, Adam, Wade, Gregg A., Weiss, Werner W., Zwintz, Konstanze
$\eta$ Car is a massive, eccentric binary with a rich observational history. We obtained the first high-cadence, high-precision light curves with the BRITE-Constellation nanosatellites over 6 months in 2016 and 6 months in 2017. The light curve is co
Externí odkaz:
http://arxiv.org/abs/1801.05445
Autor:
Madura, Thomas I.
3-D printing moves beyond interactive 3-D graphics and provides an excellent tool for both visual and tactile learners, since 3-D printing can now easily communicate complex geometries and full color information. Some limitations of interactive 3-D g
Externí odkaz:
http://arxiv.org/abs/1611.09994
Autor:
Gull, Theodore R., Madura, Thomas I., Teodoro, Mairan, Clementel, Nicola, Corcoran, Michael, Damineli, Augusto, Groh, Jose H., Hamaguchi, Kenji, Hiller, D. John, Moffat, Anthony F. J., Richardson, Noel D., Weigelt, Gerd, Lindler, Don, Feggans, Keith
Eta Carinae, the closest, active, massive binary containing a highly unstable LBV, exhibits expanding, compressed wind shells, seen in emission, that are spatially and spectrally resolved by \hst/\stis. Starting in June 2009, these structures were ma
Externí odkaz:
http://arxiv.org/abs/1608.06193
Autor:
Richardson, Noel D., Madura, Thomas I., St-Jean, Lucas, Moffat, Anthony F. J., Gull, Theodore R., Russell, Christopher M. P., Damineli, Augusto, Teodoro, Mairan, Corcoran, Michael F., Walter, Frederick M., Clementel, Nicola, Groh, José H., Hamaguchi, Kenji, Hillier, D. John
We have monitored the massive binary star $\eta$ Carinae with the CTIO/SMARTS 1.5~m telescope and CHIRON spectrograph from the previous apastron passage of the system through the recent 2014.6 periastron passage. Our monitoring has resulted in a larg
Externí odkaz:
http://arxiv.org/abs/1606.03655
Autor:
Russell, Christopher M. P., Corcoran, Michael F., Hamaguchi, Kenji, Madura, Thomas I., Owocki, Stanley P., Hillier, D. John
The X-ray emission of $\eta$ Carinae shows multiple features at various spatial and temporal scales. The central constant emission (CCE) component is centred on the binary and arises from spatial scales much smaller than the bipolar Homunculus nebula
Externí odkaz:
http://arxiv.org/abs/1603.01629
Autor:
Hamaguchi, Kenji, Corcoran, Michael F., Gull, Theodore R., Takahashi, Hiromitsu, Grefenstette, Brian W., Yuasa, Takayuki, Stuhlinger, Martin, Russell, Christopher M. P., Moffat, Anthony F. J., Sharma, Neetika, Madura, Thomas I., Richardson, Noel D., Groh, Jose, Pittard, Julian M., Owocki, Stanley
Publikováno v:
The Astrophysical Journal, 817:23, 2016 January 20
The evolved, massive highly eccentric binary system, eta Carinae, underwent a periastron passage in the summer of 2014. We obtained two coordinated X-ray observations with XMM-Newton and NuSTAR during the elevated X-ray flux state and just before the
Externí odkaz:
http://arxiv.org/abs/1602.01148
Autor:
Madura, Thomas I., Clementel, Nicola, Gull, Theodore R., Kruip, Chael J. H., Paardekooper, Jan-Pieter, Icke, Vincent
We present results of full 3D hydrodynamical and radiative transfer simulations of the colliding stellar winds in the massive binary system Eta Carinae. We accomplish this by applying the SimpleX algorithm for 3D radiative transfer on an unstructured
Externí odkaz:
http://arxiv.org/abs/1508.03861
Spectral observations of the massive colliding wind binary Eta Carinae show phase-dependent variations, in intensity and velocity, of numerous helium emission and absorption lines throughout the entire 5.54-year orbit. Approaching periastron, the 3D
Externí odkaz:
http://arxiv.org/abs/1503.08011