Zobrazeno 1 - 10
of 7 063
pro vyhledávání: '"Messier, P."'
Publikováno v:
A&A 691, A361 (2024)
The majority of massive stars are located in binary or multiple star systems. Compared to single stars, these objects pose additional challenges to quantitative analyses based on model atmospheres. In particular, little information is currently avail
Externí odkaz:
http://arxiv.org/abs/2410.23229
The polarized images of the supermassive black hole Messier 87* (M87*) produced by the Event Horizon Telescope (EHT) provide a direct view of the near-horizon emission from a black hole accretion and jet system. The EHT theoretical analysis of the po
Externí odkaz:
http://arxiv.org/abs/2407.09748
Autor:
Van Dyk, Schuyler D., Szalai, Tamas, Cutri, Roc M., Kirkpatrick, J. Davy, Grillmair, Carl J., Fajardo-Acosta, Sergio B., Masiero, Joseph R., Mainzer, Amy K., Gelino, Christopher R., Vinko, Jozsef, Joo, Andras Peter, Pal, Andras, Konyves-Toth, Reka, Kriskovics, Levente, Szakats, Robert, Vida, Krisztian, Zheng, WeiKang, Brink, Thomas G., Filippenko, Alexei V.
The reactivated Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE-R) serendipitously caught the Type II supernova SN 2023ixf in Messier 101 on the rise, starting day 3.6 through day 10.9, and on the late-time decline from days 211 throug
Externí odkaz:
http://arxiv.org/abs/2406.18005
Autor:
Kumar, Nitesh, Bhardwaj, Anupam, Singh, Harinder P., Rejkuba, Marina, Marconi, Marcella, Prugniel, Philippe
We present a comprehensive photometric study of RR Lyrae stars in the M3 globular cluster, utilising a vast dataset of 3140 optical ($UBVRI$) CCD images spanning 35 years from astronomical data archives. We have successfully identified previously kno
Externí odkaz:
http://arxiv.org/abs/2405.13464
Fast radio bursts (FRBs) are short-duration radio pulses of cosmological origin. Among the most common sources predicted to explain this phenomenon are bright pulses from a class of extremely highly magnetized neutron stars known as magnetars. Motiva
Externí odkaz:
http://arxiv.org/abs/2401.17242
Autor:
Garcia, Jonathan Cabrera, Sakari, Charli M., Roederer, Ian U., Evans, Donavon W., Silva, Pedro, Mateo, Mario, Song, Ying-Yi, Kremin, Anthony, Bailey III, John I., Walker, Matthew G.
M15 is a globular cluster with a known spread in neutron-capture elements. This paper presents abundances of neutron-capture elements for 62 stars in M15. Spectra were obtained with the Michigan/Magellan Fiber System (M2FS) spectrograph, covering a w
Externí odkaz:
http://arxiv.org/abs/2403.00063
Autor:
Ogle, Patrick M., Lopez, Ivan E., Reynaldi, Victoria, Togi, Aditya, Rich, R. Michael, Roman, Javier, Caceres, Osmin, Zhuofu, Li, Donnelly, Grant, Smith, J. D. T., Appleton, Philip N., Lanz, Lauranne
Spitzer spectral maps reveal a disk of highly luminous, warm (>150 K) H2 in the center of the massive spiral galaxy Messier 58, which hosts a radio-loud AGN. The inner 2.6 kpc of the galaxy appears to be overrun by shocks from the radio jet cocoon. G
Externí odkaz:
http://arxiv.org/abs/2312.01936
Autor:
Ransome, Conor L., Villar, V. Ashley, Tartaglia, Anna, Gonzalez, Sebastian Javier, Jacobson-Galán, Wynn V., Kilpatrick, Charles D., Margutti, Raffaella, Foley, Ryan J., Grayling, Matthew, Ni, Yuan Qi, Yarza, Ricardo, Ye, Christine, Auchettl, Katie, de Boer, Thomas, Chambers, Kenneth C., Coulter, David A., Drout, Maria R., Farias, Diego, Gall, Christa, Gao, Hua, Huber, Mark E., Ibik, Adaeze L., Jones, David O., Khetan, Nandita, Lin, Chien-Cheng, Politsch, Collin A., Raimundo, Sandra I., Rest, Armin, Wainscoat, Richard J., Yadavalli, S. Karthik, Zenati, Yossef
The nearby type II supernova, SN2023ixf in M101 exhibits signatures of early-time interaction with circumstellar material in the first week post-explosion. This material may be the consequence of prior mass loss suffered by the progenitor which possi
Externí odkaz:
http://arxiv.org/abs/2312.04426
Autor:
Zimmerman, E. A., Irani, I., Chen, P., Gal-Yam, A., Schulze, S., Perley, D. A., Sollerman, J., Filippenko, A. V., Shenar, T., Yaron, O., Shahaf, S., Bruch, R. J., Ofek, E. O., De Cia, A., Brink, T. G., Yang, Y., Vasylyev, S. S., Ami, S. Ben, Aubert, M., Badash, A., Bloom, J. S., Brown, P. J., De, K., Dimitriadis, G., Fransson, C., Fremling, C., Hinds, K., Horesh, A., Johansson, J. P., Kasliwal, M. M., Kulkarni, S. R., Kushnir, D., Martin, C., Matuzewski, M., McGurk, R. C., Miller, A. A., Morag, J., Neil, J. D., Nugent, P. E., Post, R. S., Prusinski, N. Z., Qin, Y., Raichoor, A., Riddle, R., Rowe, M., Rusholme, B., Sfaradi, I., Sjoberg, K. M., Soumagnac, M., Stein, R. D., Strotjohann, N. L., Terwel, J. H., Wasserman, T., Wise, J., Wold, A., Yan, L., Zhang, K.
Publikováno v:
Nature 627, 759 (2024)
Observing a supernova explosion shortly after it occurs can reveal important information about the physics of stellar explosions and the nature of the progenitor stars of supernovae (SNe). When a star with a well-defined edge explodes in vacuum, the
Externí odkaz:
http://arxiv.org/abs/2310.10727
Akademický článek
Tento výsledek nelze pro nepřihlášené uživatele zobrazit.
K zobrazení výsledku je třeba se přihlásit.
K zobrazení výsledku je třeba se přihlásit.