Zobrazeno 1 - 10
of 226
pro vyhledávání: '"G., Leloudas"'
Autor:
T., Moore, J., Smartt S., M., Nicholl, S., Srivastav, F., Stevance H., B., Jess D., T., Grant S. D., D., Fulton M., L., Rhodes, A., Sim S., R., Hirai, P., Podsiadlowski, P., Anderson J., C., Ashall, W., Bate, R., Fender, P., Gutierrez C., A., Howell D., E., Huber M., C., Inserra, G., Leloudas, G., Monard L. A., E., Muller-Bravo T., J., Shappee B., W., Smith K., G., Terreran, J., Tonry, A., Tucker M., R., Young D., A., Aamer, -W., Chen T., F., Ragosta, L., Galbany, M., Gromadzki, L., Harvey, P., Hoeflich, C., McCully, M., Newsome, P., Gonzalez E., C., Pellegrino, P., Ramsden, M., Perez-Torres, J., Ridley E., X., Sheng, J, Weston
We present multi-wavelength photometry and spectroscopy of SN 2022jli, an unprecedented Type Ic supernova discovered in the galaxy NGC 157 at a distance of $\approx$ 23 Mpc. The multi-band light curves reveal many remarkable characteristics. Peaking
Externí odkaz:
http://arxiv.org/abs/2309.12750
Autor:
M. Pursiainen, G. Leloudas, S. Schulze, P. Charalampopoulos, C. R. Angus, J. P. Anderson, F. Bauer, T.-W. Chen, L. Galbany, M. Gromadzki, C. P. Gutiérrez, C. Inserra, J. Lyman, T. E. Müller-Bravo, M. Nicholl, S. J. Smartt, L. Tartaglia, P. Wiseman, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 959, Iss 1, p L10 (2023)
SN 2023emq is a fast-evolving transient initially classified as a rare Type Icn supernova (SN), interacting with a H- and He-free circumstellar medium (CSM) around maximum light. Subsequent spectroscopy revealed the unambiguous emergence of narrow He
Externí odkaz:
https://doaj.org/article/b2387c258f9a449293de36f619415c14
Autor:
T. Moore, S. J. Smartt, M. Nicholl, S. Srivastav, H. F. Stevance, D. B. Jess, S. D. T. Grant, M. D. Fulton, L. Rhodes, S. A. Sim, R. Hirai, P. Podsiadlowski, J. P. Anderson, C. Ashall, W. Bate, R. Fender, C. P. Gutiérrez, D. A. Howell, M. E. Huber, C. Inserra, G. Leloudas, L. A. G. Monard, T. E. Müller-Bravo, B. J. Shappee, K. W. Smith, G. Terreran, J. Tonry, M. A. Tucker, D. R. Young, A. Aamer, T.-W. Chen, F. Ragosta, L. Galbany, M. Gromadzki, L. Harvey, P. Hoeflich, C. McCully, M. Newsome, E. P. Gonzalez, C. Pellegrino, P. Ramsden, M. Pérez-Torres, E. J. Ridley, X. Sheng, J. Weston
Publikováno v:
The Astrophysical Journal Letters, Vol 956, Iss 1, p L31 (2023)
We present multiwavelength photometry and spectroscopy of SN 2022jli, an unprecedented Type Ic supernova discovered in the galaxy NGC 157 at a distance of ≈ 23 Mpc. The multiband light curves reveal many remarkable characteristics. Peaking at a mag
Externí odkaz:
https://doaj.org/article/1ba282d5f0ba477db2dfc16ecf34bc1a
Autor:
P Wiseman, Y Wang, S Hönig, N Castro-Segura, P Clark, C Frohmaier, M D Fulton, G Leloudas, M Middleton, T E Müller-Bravo, A Mummery, M Pursiainen, S J Smartt, K Smith, M Sullivan, J P Anderson, J A Acosta Pulido, P Charalampopoulos, M Banerji, M Dennefeld, L Galbany, M Gromadzki, C P Gutiérrez, N Ihanec, E Kankare, A Lawrence, B Mockler, T Moore, M Nicholl, F Onori, T Petrushevska, F Ragosta, S Rest, M Smith, T Wevers, R Carini, T-W Chen, K Chambers, H Gao, M Huber, C Inserra, E Magnier, L Makrygianni, M Toy, F Vincentelli, D R Young
Publikováno v:
Wiseman, P, Wang, Y, Honig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Muller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Acosta Pulido, J A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutierrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, pp. 3992-4002 . https://doi.org/10.1093/mnras/stad1000
Wiseman, P, Wang, Y, Hönig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Müller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Pulido, J A A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutiérrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T-W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, 3992–4002 . https://doi.org/10.1093/mnras/stad1000
Wiseman, P, Wang, Y, Hönig, S, Castro-Segura, N, Clark, P, Frohmaier, C, Fulton, M D, Leloudas, G, Middleton, M, Müller-Bravo, T E, Mummery, A, Pursiainen, M, Smartt, S J, Smith, K, Sullivan, M, Anderson, J P, Pulido, J A A, Charalampopoulos, P, Banerji, M, Dennefeld, M, Galbany, L, Gromadzki, M, Gutiérrez, C P, Ihanec, N, Kankare, E, Lawrence, A, Mockler, B, Moore, T, Nicholl, M, Onori, F, Petrushevska, T, Ragosta, F, Rest, S, Smith, M, Wevers, T, Carini, R, Chen, T-W, Chambers, K, Gao, H, Huber, M, Inserra, C, Magnier, E, Makrygianni, L, Toy, M, Vincentelli, F & Young, D R 2023, ' Multiwavelength observations of the extraordinary accretion event AT2021lwx ', Monthly Notices of the Royal Astronomical Society, vol. 522, no. 3, 3992–4002 . https://doi.org/10.1093/mnras/stad1000
We present observations from X-ray to mid-infrared wavelengths of the most energetic non-quasar transient ever observed, AT2021lwx. Our data show a single optical brightening by a factor $>100$ to a luminosity of $7\times10^{45}$ erg s$^{-1}$, and a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5928d80421fd16f18763ce4fd3d7d802
https://doi.org/10.1093/mnras/stad1000
https://doi.org/10.1093/mnras/stad1000
Akademický článek
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Autor:
M. Pursiainen, Andy Lawrence, Iair Arcavi, Lluís Galbany, Jesper Sollerman, Claudia P. Gutiérrez, P. Short, Mariusz Gromadzki, Matt Nicholl, Giacomo Cannizzaro, T.-W. Chen, Peter G. Jonker, Francesca Onori, Stefano Benetti, G. Leloudas, Joseph P. Anderson, David Young, D. B. Malesani, P. Charalampopoulos, Thomas Wevers, Cosimo Inserra, T. E. Müller-Bravo
Publikováno v:
Astronomy & Astrophysics, 659, 1-30
Charalampopoulos, P, Leloudas, G, Malesani, D B, Wevers, T, Arcavi, I, Nicholl, M, Pursiainen, M, Lawrence, A, Anderson, J P, Benetti, S, Cannizzaro, G, Chen, T W, Galbany, L, Gromadzki, M, Gutiérrez, C P, Inserra, C, Jonker, P G, Müller-Bravo, T E, Onori, F, Short, P, Sollerman, J & Young, D R 2022, ' A detailed spectroscopic study of tidal disruption events ', Astronomy and Astrophysics, vol. 659, A34 . https://doi.org/10.1051/0004-6361/202142122
Astronomy & Astrophysics, 659, pp. 1-30
Charalampopoulos, P, Leloudas, G, Malesani, D B, Wevers, T, Arcavi, I, Nicholl, M, Pursiainen, M, Lawrence, A, Anderson, J P, Benetti, S, Cannizzaro, G, Chen, T W, Galbany, L, Gromadzki, M, Gutiérrez, C P, Inserra, C, Jonker, P G, Müller-Bravo, T E, Onori, F, Short, P, Sollerman, J & Young, D R 2022, ' A detailed spectroscopic study of tidal disruption events ', Astronomy and Astrophysics, vol. 659, A34 . https://doi.org/10.1051/0004-6361/202142122
Astronomy & Astrophysics, 659, pp. 1-30
Spectroscopically, tidal disruption events (TDEs) are characterized by broad (∼104 km s−1) emission lines and show a large diversity as well as different line profiles. After carefully and consistently performing a series of data reduction tasks
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e32bdd1ec67c3ef4f11ac623ee8c0b61
https://doi.org/10.1051/0004-6361/202142122
https://doi.org/10.1051/0004-6361/202142122
Autor:
P. Charalampopoulos, M. Pursiainen, G. Leloudas, I. Arcavi, M. Newsome, S. Schulze, J. Burke, M. Nicholl
Publikováno v:
Charalampopoulos, P, Pursiainen, M, Leloudas, G, Arcavi, I, Newsome, M, Schulze, S, Burke, J & Nicholl, M 2023, ' AT 2020wey and the class of faint and fast tidal disruption events ', Astronomy and Astrophysics, vol. 673, A95 . https://doi.org/10.1051/0004-6361/202245065
We present an analysis of the optical and UV properties of AT 2020wey, a faint and fast tidal disruption event (TDE) at 124.3 Mpc. The light curve of the object peaked at an absolute magnitude of $M_{g} = -17.45$ mag and a maximum bolometric luminosi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8307966a5f07434382f51252ca9b80b2
https://orbit.dtu.dk/en/publications/5b77c4ab-8857-4b9d-8570-806b5e9bbca3
https://orbit.dtu.dk/en/publications/5b77c4ab-8857-4b9d-8570-806b5e9bbca3
Autor:
M.D. Stritzinger, S. Holmbo, N. Morrell, M.M. Phillips, C.R. Burns, S. Castellon, G. Folatelli, M. Hamuy, G. Leloudas, N.B. Suntzeff, J. P. Anderson, C. Ashall, E. Baron, S. Boissier, E. Y. Hsiao, E. Karamehmetoglu, F. Olivares
Publikováno v:
Astron.Astrophys.
Astron.Astrophys., 2023, 675, pp.A83. ⟨10.1051/0004-6361/202243376⟩
Astron.Astrophys., 2023, 675, pp.A83. ⟨10.1051/0004-6361/202243376⟩
We present 170 optical spectra of 35 low-redshift stripped-envelope core-collapse supernovae observed by the Carnegie Supernova Project-I between 2004 and 2009. The data extend from as early as -19 days (d) prior to the epoch of B-band maximum to +32
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b6bf5e6b3069b1445ef1bba0dd2627f
https://hal.science/hal-04038947
https://hal.science/hal-04038947
Autor:
T. Petrushevska, G. Leloudas, D. Ilić, M. Bronikowski, P. Charalampopoulos, G. K. Jaisawal, E. Paraskeva, M. Pursiainen, N. Rakić, S. Schulze, K. Taggart, C. K. Wedderkopp, J. P. Anderson, T. de Boer, K. Chambers, T. W. Chen, G. Damljanović, M. Fraser, H. Gao, A. Gomboc, M. Gromadzki, N. Ihanec, K. Maguire, B. Marčun, T. E. Müller-Bravo, M. Nicholl, F. Onori, T. M. Reynolds, S. J. Smartt, J. Sollerman, K. W. Smith, T. Wevers, Ł. Wyrzykowski
Publikováno v:
Petrushevska, T, Leloudas, G, Ilić, D, Bronikowski, M, Charalampopoulos, P, Jaisawal, G K, Paraskeva, E, Pursiainen, M, Rakić, N, Schulze, S, Taggart, K, Wedderkopp, C K, Anderson, J P, De Boer, T, Chambers, K, Chen, T W, Damljanović, G, Fraser, M, Gao, H, Gomboc, A, Gromadzki, M, Ihanec, N, Maguire, K, Marčun, B, Müller-Bravo, T E, Nicholl, M, Onori, F, Reynolds, T M, Smartt, S J, Sollerman, J, Smith, K W, Wevers, T & Wyrzykowski 2023, ' The rise and fall of the iron-strong nuclear transient PS16dtm ', Astronomy and Astrophysics, vol. 669, A140 . https://doi.org/10.1051/0004-6361/202244623
Thanks to the advent of large-scale optical surveys, a diverse set of flares from the nuclear regions of galaxies has recently been discovered. These include the disruption of stars by supermassive black holes at the centers of galaxies - nuclear tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6d60db9cbaa6982a1a1191381bc80d3
http://arxiv.org/abs/2211.17097
http://arxiv.org/abs/2211.17097
Akademický článek
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