Zobrazeno 1 - 10
of 1 339
pro vyhledávání: '"Figer A"'
Autor:
Jovanovic, Nemanja, Gatkine, Pradip, Anugu, Narsireddy, Amezcua-Correa, Rodrigo, Thakur, Ritoban Basu, Beichman, Charles, Bender, Chad, Berger, Jean-Philippe, Bigioli, Azzurra, Bland-Hawthorn, Joss, Bourdarot, Guillaume, Bradford, Charles M., Broeke, Ronald, Bryant, Julia, Bundy, Kevin, Cheriton, Ross, Cvetojevic, Nick, Diab, Momen, Diddams, Scott A., Dinkelaker, Aline N., Duis, Jeroen, Eikenberry, Stephen, Ellis, Simon, Endo, Akira, Figer, Donald F., Fitzgerald, Michael, Gris-Sanchez, Itandehui, Gross, Simon, Grossard, Ludovic, Guyon, Olivier, Haffert, Sebastiaan Y., Halverson, Samuel, Harris, Robert J., He, Jinping, Herr, Tobias, Hottinger, Philipp, Huby, Elsa, Ireland, Michael, Jenson-Clem, Rebecca, Jewell, Jeffrey, Jocou, Laurent, Kraus, Stefan, Labadie, Lucas, Lacour, Sylvestre, Laugier, Romain, Ławniczuk, Katarzyna, Lin, Jonathan, Leifer, Stephanie, Leon-Sava, Sergio, Martin, Guillermo, Martinache, Frantz, Martinod, Marc-Antoine, Mazin, Benjamin A., Minardi, Stefano, Monnier, John D., Moreira, Reinan, Mourard, Denis, Nayak, Abani Shankar, Norris, Barnaby, Obrzud, Ewelina, Perraut, Karine, Reynaud, François, Sallum, Steph, Schiminovich, David, Schwab, Christian, Serbayn, Eugene, Soliman, Sherif, Stoll, Andreas, Tang, Liang, Tuthill, Peter, Vahala, Kerry, Vasisht, Gautam, Veilleux, Sylvain, Walter, Alexander B., Wollack, Edward J., Xin, Yinzi, Yang, Zongyin, Yerolatsitis, Stephanos, Zhang, Yang, Zou, Chang-Ling
Publikováno v:
J. Phys. Photonics 5 042501 (2023)
Photonics offer numerous functionalities that can be used to realize astrophotonic instruments. The most spectacular example to date is the ESO Gravity instrument at the Very Large Telescope in Chile. Integrated astrophotonic devices stand to offer c
Externí odkaz:
http://arxiv.org/abs/2311.00615
Autor:
Rubio-Díez, M. M., Sundqvist, J. O., Najarro, F., Traficante, A., Puls, J., Calzoletti, L., Figer, D.
Publikováno v:
A&A 658, A61 (2022)
We probe the radial clumping stratification of OB stars in the intermediate and outer wind regions (r>~2 R*) to derive upper limits for mass-loss rates, and compare to current mass-loss implementation. Together with archival multi-wavelength data, ou
Externí odkaz:
http://arxiv.org/abs/2108.11734
Autor:
Messineo, Maria, Figer, Donald F., Kudritzki, Rolf-Peter, Zhu, Qingfeng, Menten, Karl M., Ivanov, Valentin D., Chen, C. -H. Rosie
We present infrared spectral indices (1.0-2.3 um) of Galactic late-type giants and red supergiants (RSGs). We used existing and new spectra obtained at resolution power R=2000 with SpeX on the IRTF telescope. While a large CO equivalent width (EW), a
Externí odkaz:
http://arxiv.org/abs/2107.03707
The cluster Westerlund~1 (Wd1) is host to a large variety of post main-sequence (MS) massive stars. The simultaneous presence of these stars can only be explained by stellar models if the cluster has a finely-tuned age of 4-5Myr, with several publish
Externí odkaz:
http://arxiv.org/abs/2103.02609
We identify IRAS 16115-5044, which was previously classified as a protoplanetary nebula (PPN), as a candidate luminous blue variable (LBV). The star has high luminosity (>10$^{5.75}$ L_Sun), ensuring supergiant status, has a temperature similar to LB
Externí odkaz:
http://arxiv.org/abs/2009.11122
Publikováno v:
Astronomical Journal, 2020, 160, 65 (August 2020)
Detections of massive stars in the direction of the H II region CS 78 in NGC 6334 and of G332.809-0.132 are here presented. The region covered by the G332.809-0.132 complex coincides with the RCW 103 stellar association. In its core (40' in radius),
Externí odkaz:
http://arxiv.org/abs/2007.11074
Autor:
Beasor, Emma R., Davies, Ben, Smith, Nathan, van Loon, Jacco Th., Gehrz, Robert D., Figer, Donald F.
Evolutionary models have shown the substantial effect that strong mass-loss rates ($\dot{M}$) can have on the fate of massive stars. Red supergiant (RSG) mass-loss is poorly understood theoretically, and so stellar models rely on purely empirical \md
Externí odkaz:
http://arxiv.org/abs/2001.07222
Autor:
Jovanovic, Nemanja, Beichman, Charles, Blake, Cullen, Bottom, Michael, Chilcote, Jeffrey, Coker, Carl, Crass, Jonathan, Crepp, Justin R., Cvetojevic, Nick, Daal, Miguel, Dagenais, Mario, Davis, Kristina, Dekany, Richard, Figer, Don, Fitzgerald, Michael P., Gatkine, Pradip, Guyon, Olivier, Halverson, Sam, Harris, Robert J., Hinz, Philip M., Hover, David, Howard, Andrew W., Jensen-Clem, Rebecca, Jewell, Jeffrey, Jurgenson, Colby, Leifer, Stephanie, Lozi, Julien, Martin, Stefan, Martinache, Frantz, Mawet, Dimitri, Mazin, Ben, Mennesson, Bertrand, Moreira, Renan, Pezzato, Jacklyn, Plavchan, Peter, Porter, Michael D., Ruane, Garreth, Redding, David, Sahoo, Ananya, Schwab, Christian, Serabyn, Eugene, Skidmore, Warren, Skemer, Andrew, Van Buren, David, Vasisht, Gautam, Veilleux, Sylvain, Vievard, Sebastien, Wang, Jason, Wang, Ji
The fields of Astronomy and Astrophysics are technology limited, where the advent and application of new technologies to astronomy usher in a flood of discoveries altering our understanding of the Universe (e.g., recent cases include LIGO and the GRA
Externí odkaz:
http://arxiv.org/abs/1907.07742
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Large infrared and millimeter wavelength surveys of the Galactic plane have unveiled more than 600 new bubble HII regions and more than 3000 candidate star clusters. We present a study of the candidate clusters MCM2005b72, DBS2003-157, DBS2003-172, a
Externí odkaz:
http://arxiv.org/abs/1806.07571