Zobrazeno 1 - 10
of 688
pro vyhledávání: '"Gromadzki, M"'
Autor:
Salmaso, I., Cappellaro, E., Tartaglia, L., Anderson, J. P., Benetti, S., Bronikowski, M., Cai, Y. -Z., Charalampopoulos, P., Chen, T. -W., Concepcion, E., Elias-Rosa, N., Galbany, L., Gromadzki, M., Gutiérrez, C. P., Kankare, E., Lundqvist, P., Matilainen, K., Mazzali, P. A., Moran, S., Müller-Bravo, T. E., Nicholl, M., Pastorello, A., Pessi, P. J., Pessi, T., Petrushevska, T., Pignata, G., Reguitti, A., Sollerman, J., Srivastav, S., Stritzinger, M., Tomasella, L., Valerin, G.
Massive stars experience strong mass-loss, producing a dense, H-rich circumstellar medium (CSM). After the explosion, the collision and continued interaction of the supernova (SN) ejecta with the CSM power the light curve through the conversion of ki
Externí odkaz:
http://arxiv.org/abs/2410.06111
Autor:
Gkini, A., Fransson, C., Lunnan, R., Schulze, S., Poidevin, F., Sarin, N., Könyves-Tóth, R., Sollerman, J., Omand, C. M. B., Brennan, S. J., Hinds, K. R., Anderson, J. P., Bronikowski, M., Chen, T. -W., Dekany, R., Fraser, M., Fremling, C., Galbany, L., Gal-Yam, A., Gangopadhyay, A., Geier, S., Gonzalez, E. P., Gromadzki, M., Groom, S. L., Gutiérrez, C. P., Hiramatsu, D., Howell, D. A., Hu, Y., Inserra, C., Kopsacheili, M., Lacroix, L., Masci, F. J., Matilainen, K., McCully, C., Moore, T., Müller-Bravo, T. E., Nicholl, M., Pellegrino, C., Pérez-Fournon, I., Perley, D. A., Pessi, P. J., Petrushevska, T., Pignata, G., Ragosta, F., Sahu, A., Singh, A., Srivastav, S., Wise, J. L., Yan, L., Young, D. R.
We present photometric and spectroscopic observations of SN2020xga and SN2022xgc, two hydrogen-poor superluminous supernovae (SLSNe-I) at $z = 0.4296$ and $z = 0.3103$ respectively, that show an additional set of broad Mg II absorption lines, blueshi
Externí odkaz:
http://arxiv.org/abs/2409.17296
Autor:
Reguitti, A., Dastidar, R., Pignata, G., Maeda, K., Moriya, T. J., Kuncarayakti, H., Rodríguez, Ó., Bersten, M., Anderson, J. P., Charalampopoulos, P., Fraser, M., Gromadzki, M., Young, D. R., Benetti, S., Cai, Y. -Z., Elias-Rosa, N., Lundqvist, P., Carini, R., Cosentino, S. P., Galbany, L., Gonzalez-Bañuelos, M., Gutiérrez, C. P., Kopsacheili, M., G., J. A. Pineda, Ramirez, M.
We present an analysis of the photometric and spectroscopic dataset of the Type II supernova (SN) 2018ivc in the nearby (10 Mpc) galaxy Messier 77. Thanks to the high cadence of the CHASE survey, we observed the SN rising very rapidly by nearly three
Externí odkaz:
http://arxiv.org/abs/2409.16890
Autor:
Krishnan, S., Markowitz, A. G., Krumpe, M., Homan, D., Brogan, R., Haemmerich, S., Gromadzki, M., Saha, T., Schramm, M., Reichart, D. E., Winkler, H., Waddell, S., Wilms, J., Rau, A., Liu, Z., Grotova, I.
Extreme continuum variability in AGNs can indicate extreme changes in accretion flows onto supermassive black holes. We explore the multiwavelength nature of a continuum flare in the Seyfert LCRS B040659.9$-$385922. The all-sky X-ray surveys conducte
Externí odkaz:
http://arxiv.org/abs/2409.16060
Autor:
Warwick, B., Lyman, J., Pursiainen, M., Coppejans, D. L., Galbany, L., Jones, G. T., Killestein, T. L., Kumar, A., Oates, S. R., Ackley, K., Anderson, J. P., Aryan, A., Breton, R. P., Chen, T. W., Clark, P., Dhillon, V. S., Dyer, M. J., Gal-Yam, A., Galloway, D. K., Gutiérrez, C. P., Gromadzki, M., Inserra, C., Jiménez-Ibarra, F., Kelsey, L., Kotak, R., Kravtsov, T., Kuncarayakti, H., Magee, M. R., Matilainen, K., Mattila, S., Müller-Bravo, T. E., Nicholl, M., Noysena, K., Nuttall, L. K., O'Brien, P., O'Neill, D., Pallé, E., Pessi, T., Petrushevska, T., Pignata, G., Pollacco, D., Ragosta, F., Ramsay, G., Sahu, A., Sahu, D. K., Singh, A., Sollerman, J., Stanway, E., Starling, R., Steeghs, D., Teja, R. S., Ulaczyk, K.
SN 2023tsz is a Type Ibn supernova (SNe Ibn) discovered in an extremely low-mass host. SNe Ibn are an uncommon subtype of stripped-envelope core-collapse SNe. They are characterised by narrow helium emission lines in their spectra and are believed to
Externí odkaz:
http://arxiv.org/abs/2409.14147
Autor:
Mroz, P., Dong, S., Merand, A., Shangguan, J., Woillez, J., Gould, A., Udalski, A., Eisenhauer, F., Ryu, Y. -H., Wu, Z., Liu, Z., Yang, H., Bourdarot, G., Defrere, D., Drescher, A., Fabricius, M., Garcia, P., Genzel, R., Gillessen, S., Honig, S. F., Kreidberg, L., Bouquin, J. -B. Le, Lutz, D., Millour, F., Ott, T., Paumard, T., Sauter, J., Shimizu, T. T., Straubmeier, C., Subroweit, M., Widmann, F., Szymanski, M. K., Soszynski, I., Pietrukowicz, P., Kozlowski, S., Poleski, R., Skowron, J., Ulaczyk, K., Gromadzki, M., Rybicki, K., Iwanek, P., Wrona, M., Mroz, M. J, Albrow, M. D., Chung, S. -J., Han, C., Hwang, K. -H., Jung, Y. K., Shin, I. -G., Shvartzvald, Y., Yee, J. C., Zang, W., Cha, S. -M., Kim, D. -J., Kim, S. -L., Lee, C. -U., Lee, D. -J., Lee, Y., Park, B. -G., Pogge, R. W.
Interferometric observations of gravitational microlensing events offer an opportunity for precise, efficient, and direct mass and distance measurements of lensing objects, especially those of isolated neutron stars and black holes. However, such obs
Externí odkaz:
http://arxiv.org/abs/2409.12227
Autor:
Wang, Z. -Y., Pastorello, A., Maeda, K., Reguitti, A., Cai, Y. -Z., Howell, D. Andrew, Benetti, S., Buckley, D., Cappellaro, E., Carini, R., Cartier, R., Chen, T. -W., Elias-Rosa, N., Fang, Q. -L., Gal-Yam, A., Gangopadhyay, A., Gromadzki, M., Gan, W. -P., Hiramatsu, D., Hu, M. -K., Inserra, C., McCully, C., Nicholl, M., Olivares, F. E., Pignata, G., Pineda-Garc'ia, J., Pursiainen, M., Ragosta, F., Rau, A., Roy, R., Sollerman, J., Tartaglia, L., Terreran, G., Valerin, G., Wang, Q., Wang, S. -Q., Young, D. R., Aryan, A., Bronikowski, M., Concepcion, E., Galbany, L., Lin, H., Melandri, A., Petrushevska, T., Ramirez, M., Shi, D. -D, Warwick, B., Zhang, J. -J., Wang, B., Wang, X. -F., Zhu, X. -J.
Publikováno v:
A&A 691, A156 (2024)
We present optical and near-infrared observations of two Type Ibn supernovae (SNe), SN 2018jmt and SN 2019cj. Their light curves have rise times of about 10 days, reaching an absolute peak magnitude of $M_g$(SN 2018jmt) = $-$19.07 $\pm$ 0.37 and $M_V
Externí odkaz:
http://arxiv.org/abs/2408.12393
Autor:
Valerin, G., Pastorello, A., Mason, E., Reguitti, A., Benetti, S., Cai, Y. -Z., Chen, T. -W., Eappachen, D., Elias-Rosa, N., Fraser, M., Gangopadhyay, A., Hsiao, E. Y., Howell, D. A., Inserra, C., Izzo, L., Jencson, J., Kankare, E., Kotak, R., Lundqvist, P., Mazzali, P. A., Misra, K., Pignata, G., Prentice, S. J., Sand, D. J., Smartt, S. J., Stritzinger, M. D., Tartaglia, L., Valenti, S., Anderson, J. P., Andrews, J. E., Amaro, R. C., Barbarino, C., Brennan, S., Bufano, F., Callis, E., Cappellaro, E., Dastidar, R., Della Valle, M., Fiore, A., Fulton, M. D., Galbany, L., Gromadzki, M., Heikkilä, T., Hiramatsu, D., Karamehmetoglu, E., Kuncarayakti, H., Leloudas, G., Limongi, M., Lundquist, M., McCully, C., Müller-Bravo, T. E., Nicholl, M., Ochner, P., Gonzalez, E. Padilla, Paraskeva, E., Pellegrino, C., Rau, A., Reichart, D. E., Reynolds, T. M., Roy, R., Salmaso, I., Shahbandeh, M., Singh, M., Sollerman, J., Turatto, M., Tomasella, L., Wyatt, S., Young, D. R.
We investigate the spectroscopic characteristics of Intermediate Luminosity Red Transients (ILRTs), a class of elusive objects with peak luminosity between that of classical novae and standard supernovae. We present the extensive optical and near-inf
Externí odkaz:
http://arxiv.org/abs/2407.21733
Autor:
Iwanek, P., Soszyński, I., Stępień, K., Kozłowski, S., Skowron, J., Udalski, A., Szymański, M. K., Wrona, M., Pietrukowicz, P., Poleski, R., Mróz, P., Ulaczyk, K., Skowron, D. M., Gromadzki, M., Rybicki, K., Mróz, M. J., Ratajczak, M.
Stellar rotation, a key factor influencing stellar structure and evolution, also drives magnetic activity, which is manifested as spots or flares on stellar surface. Here, we present a collection of 18 443 rotating variables located toward the Galact
Externí odkaz:
http://arxiv.org/abs/2406.18728
Autor:
Bachelet, E., Rota, P., Bozza, V., Zielinski, P., Tsapras, Y., Hundertmark, M., Wambsganss, J., Wyrzykowski, L., Mikolajczyk, P. J., Street, R. A., Jaimes, R. Figuera, Cassan, A., Dominik, M., Buckley, D. A. H., Awiphan, S., Nakhaharutai, N., Zola, S., Rybicki, K. A., Gromadzki, M., Howil, K., Ihanec, N., Jablonska, M., Kruszynska, K., Pylypenko, U., Ratajczak, M., Sitek, M., Rabus, M.
During the last 25 years, hundreds of binary stars and planets have been discovered towards the Galactic Bulge by microlensing surveys. Thanks to a new generation of large-sky surveys, it is now possible to regularly detect microlensing events across
Externí odkaz:
http://arxiv.org/abs/2405.02223