Zobrazeno 1 - 10
of 1 087
pro vyhledávání: '"Krisciunas, A"'
Autor:
Villarroel, Beatriz, Krisciunas, Kevin
Unidentified Anomalous Phenomena (UAP) have historically been stigmatized and regarded as pseudoscience due to a general lack of robust evidence. Recently, however, the subject has gained interest among astronomers and the military. This review explo
Externí odkaz:
http://arxiv.org/abs/2411.02401
Autor:
Anderson, J. P., Contreras, C., Stritzinger, M. D., Hamuy, M., Phillips, M. M., Suntzeff, N. B., Morrell, N., Gonzalez-Gaitan, S., Gutierrez, C. P., Burns, C. R., Hsiao, E. Y., Anais, J., Ashall, C., Baltay, C., Baron, E., Bersten, M., Busta, L., Castellon, S., de Jaeger, T., DePoy, D., Filippenko, A. V., Folatelli, G., Forster, F., Galbany, L., Gall, C., Goobar, A., Gonzalez, C., Hadjiyska, E., Hoeflich, P., Krisciunas, K., Krzeminski, W., Li, W., Madore, B., Marshall, J., Martinez, L., Nugent, P., Pessi, P. J., Piro, A. L., Rheault, J-P., Ryder, S., Seron, J., Shappee, B. J., Taddia, F., Torres, S., Thomas-Osip, J., Uddin, S.
Type II supernovae (SNeII) mark the endpoint in the lives of hydrogen-rich massive stars. Their large explosion energies and luminosities allow us to measure distances, metallicities, and star formation rates into the distant Universe. To fully explo
Externí odkaz:
http://arxiv.org/abs/2410.06738
Autor:
Phillips, M. M., Ashall, C., Brown, Peter J., Galbany, L., Tucker, M. A., Burns, Christopher R., Contreras, Carlos, Hoeflich, P., Hsiao, E. Y., Kumar, S., Morrell, Nidia, Uddin, Syed A., Baron, E., Freedman, Wendy L., Krisciunas, Kevin, Persson, S. E., Piro, Anthony L., Shappee, B. J., Stritzinger, Maximilian, Suntzeff, Nicholas B., Chakraborty, Sudeshna, Kirshner, R. P., Lu, J., Marion, G. H., Polin, Abigail, Shahbandeh, M.
Understanding the nature of the luminous 1991T-like supernovae is of great importance to supernova cosmology as they are likely to have been more common in the early universe. In this paper we explore the observational properties of 1991T-like supern
Externí odkaz:
http://arxiv.org/abs/2405.15027
Autor:
Morrell, N., Phillips, M. M., Folatelli, G., Stritzinger, M. D., Hamuy, M., Suntzeff, N. B., Hsiao, E. Y., Taddia, F., Burns, C. R., Hoeflich, P., Ashall, C., Contreras, C., Galbany, L., Lu, J., Piro, A. L., Anais, J., Baron, E., Burrow, A., Busta, L., Campillay, A., Castellón, S., Corco, C., Diamond, T., Freedman, W. L., González, C., Krisciunas, K., Kumar, S., Persson, S. E., Serón, J., Shahbandeh, M., Torres, S., Uddin, S. A., Anderson, J. P., Baltay, C., Gall, C., Goobar, A., Hadjiyska, E., Holmbo, S., Kasliwal, M., Lidman, C., Marion, G. H., Mazzali, P., Nugent, P., Perlmutter, S., Pignata, G., Rabinowitz, D., Roth, M., Ryder, S. D., Shappee, B. J., Vinkó, J., Wheeler, J. C., de Jaeger, T., Lira, P., Ruiz, M. T., Rich, J. A., Prieto, J. L., Di Mille, F., Osip, D., Blanc, G., Palunas, P.
We present the second and final release of optical spectroscopy of Type Ia Supernovae (SNe Ia) obtained during the first and second phases of the Carnegie Supernova Project (CSP-I and CSP-II). The newly released data consist of 148 spectra of 30 SNe
Externí odkaz:
http://arxiv.org/abs/2404.19208
Autor:
Ashall, C., Hoeflich, P., Baron, E., Shahbandeh, M., DerKacy, J. M., Medler, K., Shappee, B. J., Tucker, M. A., Fereidouni, E., Mera, T., Andrews, J., Baade, D., Bostroem, K. A., Brown, P. J., Burns, C. R., Burrow, A., Cikota, A., de Jaeger, T., Do, A., Dong, Y., Dominguez, I., Fox, O., Galbany, L., Hsiao, E. Y., Krisciunas, K., Khaghani, B., Kumar, S., Lu, J., Maund, J. R., Mazzali, P., Morrell, N., Patat, F., Pfeffer, C., Phillips, M. M., Schmidt, J., Stangl, S., Stevens, C. P., Stritzinger, M. D., Suntzeff, N. B., Telesco, C. M., Wang, L., Yang, Y.
We present a JWST MIRI/MRS spectrum (5-27 $\mathrm{\mu}$m) of the Type Ia supernova (SN Ia), SN 2021aefx at $+415$ days past $B$-band maximum. The spectrum, which was obtained during the iron-dominated nebular phase, has been analyzed in combination
Externí odkaz:
http://arxiv.org/abs/2404.17043
Autor:
Burrow, Anthony, Baron, E., Burns, Christopher R., Hsiao, Eric Y., Lu, Jing, Ashall, Chris, Brown, Peter J., DerKacy, James M., Folatelli, G., Galbany, Lluís, Hoeflich, P., Krisciunas, Kevin, Morrell, N., Phillips, M. M., Shappee, Benjamin J., Stritzinger, Maximilian D., Suntzeff, Nicholas B.
We present a method of extrapolating the spectroscopic behavior of Type Ia supernovae (SNe Ia) in the near-infrared (NIR) wavelength regime up to 2.30 $\mu$m using optical spectroscopy. Such a process is useful for accurately estimating K-corrections
Externí odkaz:
http://arxiv.org/abs/2404.04724
Autor:
Shahbandeh, M., Ashall, C., Hoeflich, P., Baron, E., Fox, O., Mera, T., DerKacy, J., Stritzinger, M. D., Shappee, B., Law, D., Morrison, J., Pauly, T., Pierel, J., Medler, K., Andrews, J., Baade, D., Bostroem, A., Brown, P., Burns, C., Burrow, A., Cikota, A., Cross, D., Davis, S., de Jaeger, T., Do, A., Dong, Y., Hsiao, E., Dominguez, I., Galbany, L., Janzen, D., Jencson, J., Hoang, E., Karamehmetoglu, E., Khaghani, B., Krisciunas, K., Kumar, S., Lu, J., Mazzali, P., Morrell, N., Patat, F., Pearson, J., Pfeffer, C., Wang, L., Yang, Y., Cai, Y. Z., Camacho-Neves, Y., Elias-Rosa, N., Lundquist, M., Maund, J., Phillips, M., Rest, A., Retamal, N., Stangl, S., Shrestha, M., Stevens, C., Suntzeff, N., Telesco, C., Tucker, M., Foley, R., Jha, S., Kwok, L., Larison, C., LeBaron, N., Moran, S., Rho, J., Salmaso, I., Schmidt, J., Tinyanont, S.
We present JWST spectral and photometric observations of the Type IIP supernova (SN) 2022acko at ~50 days past explosion. These data are the first JWST spectral observations of a core-collapse SN. We identify ~30 different H I features, other feature
Externí odkaz:
http://arxiv.org/abs/2401.14474
Autor:
Chakraborty, Sudeshna, Sadler, Benjamin, Hoeflich, Peter, Hsiao, Eric, Phillips, M. M., Burns, C. R., Diamond, T., Dominguez, I., Galbany, L., Uddin, S. A., Ashall, C., Krisciunas, K., Kumar, S., Mera, T. B., Morrell, N., Baron, E., Contreras, M. C., Stritzinger, M. D., Suntzeff, N. N.
Publikováno v:
The Astrophysical Journal (2024), Volume 969, Number 2, 80
We present an eigenfunction method to analyze 161 visual light curves (LCs) of Type Ia supernovae (SNe Ia) obtained by the Carnegie Supernova Project to characterize their diversity and host-galaxy correlations. The eigenfunctions are based on the de
Externí odkaz:
http://arxiv.org/abs/2311.03473
Autor:
DerKacy, J. M., Ashall, C., Hoeflich, P., Baron, E., Shahbandeh, M., Shappee, B. J., Andrews, J., Baade, D., Balangan, E. F, Bostroem, K. A., Brown, P. J., Burns, C. R., Burrow, A., Cikota, A., de Jaeger, T., Do, A., Dong, Y., Dominguez, I., Fox, O., Galbany, L., Hoang, E. T., Hsiao, E. Y., Janzen, D., Jencson, J. E., Krisciunas, K., Kumar, S., Lu, J., Lundquist, M., Evans, T. B. Mera, Maund, J. R., Mazzali, P., Medler, K., Retamal, N. E. Meza, Morrell, N., Patat, F., Pearson, J., Phillips, M. M., Shrestha, M., Stangl, S., Stevens, C. P., Stritzinger, M. D., Suntzeff, N. B., Telesco, C. M., Tucker, M. A., Valenti, S., Wang, L., Yang, Y.
We present a JWST mid-infrared spectrum of the under-luminous Type Ia Supernova (SN Ia) 2022xkq, obtained with the medium-resolution spectrometer on the Mid-Infrared Instrument (MIRI) $\sim130$ days post-explosion. We identify the first MIR lines bey
Externí odkaz:
http://arxiv.org/abs/2310.09153
Publikováno v:
A&A 677, A100 (2023)
This work is the seventh study in a series dedicated to investigating degeneracies of simultaneous age, mass, extinction, and metallicity determinations of partially resolved or unresolved star clusters with Hubble Space Telescope broadband aperture
Externí odkaz:
http://arxiv.org/abs/2308.08250