Zobrazeno 1 - 10
of 2 564
pro vyhledávání: '"Sturmann"'
Autor:
Kishimoto, Makoto, Anderson, Matt, Brummelaar, Theo ten, Farrington, Christopher, Antonucci, Robert, Hoenig, Sebastian, Millour, Florentin, Tristram, Konrad, Weigelt, Gerd, Sturmann, Laszlo, Sturmann, Judit, Schaefer, Gail, Scott, Nic
The nuclear region of Type 1 AGNs has only been partially resolved so far in the near-infrared (IR) where we expect to see the dust sublimation region and the nucleus directly without obscuration. Here we present the near-IR interferometric observati
Externí odkaz:
http://arxiv.org/abs/2209.06061
Autor:
Gardner, Tyler, Monnier, John D., Fekel, Francis C., Williamson, Michael, Baron, Fabien, Hinkley, Sasha, Ireland, Michael, Kraus, Adam L., Kraus, Stefan, Roettenbacher, Rachael M., Schaefer, Gail, Sturmann, Judit, Sturmann, Laszlo, Brummelaar, Theo Ten
Alpha Ophiuchi (Rasalhague) is a nearby rapidly rotating A5IV star which has been imaged by infrared interferometry. $\alpha$ Oph is also part of a known binary system, with a companion semi-major axis of $\sim$430 milli-arcseconds and high eccentric
Externí odkaz:
http://arxiv.org/abs/2107.02844
Autor:
Norris, Ryan P., Baron, Fabien R., Monnier, John D., Paladini, Claudia, Anderson, Matthew D., Martinez, Arturo O., Schaefer, Gail H., Che, Xiao, Chiavassa, Andrea, Connelley, Michael S., Farrington, Christopher D., Gies, Douglas R., Kiss, László L., Lester, John B., Montargès, Miguel, Neilson, Hilding R., Majoinen, Olli, Pedretti, Ettore, Ridgway, Stephen T., Roettenbacher, Rachael M., Scott, Nicholas J., Sturmann, Judit, Sturmann, Laszlo, Thureau, Nathalie, Vargas, Norman, Brummelaar, Theo A. ten
We present H-band interferometric observations of the red supergiant (RSG) AZ Cyg made with the Michigan Infra-Red Combiner (MIRC) at the six-telescope Center for High Angular Resolution Astronomy (CHARA) Array. The observations span 5 years (2011-20
Externí odkaz:
http://arxiv.org/abs/2106.15636
Autor:
Pannetier, C., Mourard, D., Berio, P., Cassaing, F., Allouche, F., Anugu, N., Bailet, C., Brummelaar, T. ten, Dejonghe, J., Gies, D., Jocou, L., Kraus, S., Lacour, S., Lagarde, S., Bouquin, J. B. Le, Lecron, D., Monnier, J., Nardetto, N., Patru, F., Perraut, K., Petrov, R., Rousseau, S., Stee, P., Sturmann, J., Sturmann, L.
Publikováno v:
Proceedings Volume 11446, Optical and Infrared Interferometry and Imaging VII; 114460T (2020)
CHARA/SPICA (Stellar Parameters and Images with a Cophased Array) is currently being developed at Observatoire de la C\^ote d'Azur. It will be installed at the visible focus of the CHARA Array by the end of 2021. It has been designed to perform a lar
Externí odkaz:
http://arxiv.org/abs/2101.10926
Autor:
Anugu, Narsireddy, Brummelaar, Theo ten, Turner, Nils H., Anderson, Matthew D., Bouquin, Jean-Baptiste Le, Sturmann, Judit, Sturmann, Laszlo, Farrington, Chris, Vargas, Norm, Majoinen, Olli, Ireland, Michael J., Monnier, John D., Mourard, Denis, Schaefer, Gail, Gies, Douglas R., Ridgway, Stephen T., Kraus, Stefan, Petit, Cyril, Tallon, Michel, Lim, Caroline B., Berio, Philippe
The CHARA Array is the longest baseline optical interferometer in the world. Operated with natural seeing, it has delivered landmark sub-milliarcsecond results in the areas of stellar imaging, binaries, and stellar diameters. However, to achieve ambi
Externí odkaz:
http://arxiv.org/abs/2012.11667
Autor:
Labdon, Aaron, Monnier, John D., Kraus, Stefan, Bouquin, Jean-Baptiste Le, Setterholm, Benjamin R., Anugu, Narsireddy, Brummelaar, Theo ten, Lanthermann, Cyrien, Davies, Claire L., Ennis, Jacob, Gardener, Tyler, Schaefer, Gail H., Sturmann, Lazlo, Sturmann, Judit
In this contribution we report on our work to increase the spectral range of the Michigan Infrared Combiner-eXeter (MIRC-X) instrument at the CHARA array to allow for dual H and J band interferometric observations. We comment on the key science drive
Externí odkaz:
http://arxiv.org/abs/2012.01835
Autor:
Gardner, Tyler, Monnier, John D., Fekel, Francis C., Schaefer, Gail, Johnson, Keith J. C., Bouquin, Jean-Baptiste Le, Kraus, Stefan, Anugu, Narsireddy, Setterholm, Benjamin R., Labdon, Aaron, Davies, Claire L., Lanthermann, Cyprien, Ennis, Jacob, Ireland, Michael, Kratter, Kaitlin M., Brummelaar, Theo Ten, Sturmann, Judit, Sturmann, Laszlo, Farrington, Chris, Gies, Douglas R., Klement, Robert, Adams, Fred C.
Ground-based optical long-baseline interferometry has the power to measure the orbits of close binary systems at ~10 micro-arcsecond precision. This precision makes it possible to detect "wobbles" in the binary motion due to the gravitational pull fr
Externí odkaz:
http://arxiv.org/abs/2012.00778
Autor:
Pannetier, Cyril, Mourard, Denis, Cassaing, Frédéric, Lagarde, Stéphane, Bouquin, Jean-Baptiste Le, Monnier, John, Sturmann, Judit, Brummelaar, Theo Ten
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 507, Issue 1, October 2021, Pages 1369-1380
With the aim of pushing the limiting magnitude of interferometric instruments, the need for wide-band detection channels and for a coordinated operation of different instruments has considerably grown in the field of long-baseline interferometry. For
Externí odkaz:
http://arxiv.org/abs/2109.07163
Autor:
Davies, Claire L., Kraus, Stefan, Harries, Tim J., Monnier, John D., Kloppenborg, Brian, Aarnio, Alicia, Baron, Fabien, Lopez, Rebeca Garcia, Millan-Gabet, Rafael, Parks, Robert, Pedretti, Ettore, Perraut, Karine, Sturmann, Judit, Sturmann, Laszlo, Brummelaar, Theo A. ten, Touhami, Yamina
We present models of the inner region of the circumstellar disk of RY Tau which aim to explain our near-infrared ($K$-band: $2.1\,\mu$m) interferometric observations while remaining consistent with the optical to near-infrared portions of the spectra
Externí odkaz:
http://arxiv.org/abs/2005.06932