Zobrazeno 1 - 10
of 293
pro vyhledávání: '"M Gromadzki"'
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:
I. Soszyński, D. M. Skowron, A. Udalski, P. Pietrukowicz, M. Gromadzki, M. K. Szymański, J. Skowron, P. Mróz, R. Poleski, S. Kozłowski, P. Iwanek, M. Wrona, K. Ulaczyk, K. Rybicki, M. Mróz
Publikováno v:
The Astrophysical Journal Letters, Vol 965, Iss 2, p L17 (2024)
We report the discovery of the classical Cepheid OGLE-GD-CEP-1884 (= GDS_J1535467-555656) with the longest pulsation period known in our Galaxy. The period of 78.14 days is nearly 10 days longer than that of the previous record-holding Cepheid, S Vul
Externí odkaz:
https://doaj.org/article/08d61c983336468da3661339f6665c50
Autor:
Zexuan Wu, Subo Dong, Tuan Yi, Zhuokai Liu, Kareem El-Badry, Andrew Gould, L. Wyrzykowski, K. A. Rybicki, Etienne Bachelet, Grant W. Christie, L. de Almeida, L. A. G. Monard, J. McCormick, Tim Natusch, P. Zieliński, Huiling Chen, Yang Huang, Chang Liu, A. Mérand, Przemek Mróz, Jinyi Shangguan, Andrzej Udalski, J. Woillez, Huawei Zhang, Franz-Josef Hambsch, P. J. Mikołajczyk, M. Gromadzki, M. Ratajczak, Katarzyna Kruszyńska, N. Ihanec, Uliana Pylypenko, M. Sitek, K. Howil, Staszek Zola, Olga Michniewicz, Michal Zejmo, Fraser Lewis, Mateusz Bronikowski, Stephen Potter, Jan Andrzejewski, Jaroslav Merc, Rachel Street, Akihiko Fukui, R. Figuera Jaimes, V. Bozza, P. Rota, A. Cassan, M. Dominik, Y. Tsapras, M. Hundertmark, J. Wambsganss, K. Bąkowska, A. Słowikowska
Publikováno v:
The Astronomical Journal, Vol 168, Iss 2, p 62 (2024)
We report discovering an exoplanet from following up a microlensing event alerted by Gaia. The event Gaia22dkv is toward a disk source rather than the traditional bulge microlensing fields. Our primary analysis yields a Jovian planet with ${M}_{{\rm{
Externí odkaz:
https://doaj.org/article/13d1199627a54a9cb497ca946f70ca7c
Autor:
E. Bachelet, P. Rota, V. Bozza, P. Zieliński, Y. Tsapras, M. Hundertmark, J. Wambsganss, Ł. Wyrzykowski, P. J. Mikołajczyk, R. A. Street, R. Figuera Jaimes, A. Cassan, M. Dominik, D. A. H. Buckley, S. Awiphan, N. Nakhaharutai, S. Zola, K. A. Rybicki, M. Gromadzki, K. Howil, N. Ihanec, M. Jabłońska, K. Kruszyńska, U. Pylypenko, M. Ratajczak, M. Sitek, M. Rabus
Publikováno v:
The Astronomical Journal, Vol 168, Iss 1, p 9 (2024)
During the last 25 yr, hundreds of binary stars and planets have been discovered toward 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 the
Externí odkaz:
https://doaj.org/article/41c3ccf1c56a4f1589f444d77a8ebc28
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:
Shubham Srivastav, T. Moore, M. Nicholl, M. R. Magee, S. J. Smartt, M. D. Fulton, S. A. Sim, J. M. Pollin, L. Galbany, C. Inserra, A. Kozyreva, Takashi J. Moriya, F. P. Callan, X. Sheng, K. W. Smith, J. S. Sommer, J. P. Anderson, M. Deckers, M. Gromadzki, T. E. Müller-Bravo, G. Pignata, A. Rest, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 956, Iss 2, p L34 (2023)
We present optical photometric and spectroscopic observations of the 02es-like type Ia supernova (SN) 2022ywc. The transient occurred in the outskirts of an elliptical host galaxy and showed a striking double-peaked light curve with an early excess f
Externí odkaz:
https://doaj.org/article/fc0161952c554de3a5563511b4151686
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:
M. Nicholl, S. Srivastav, M. D. Fulton, S. Gomez, M. E. Huber, S. R. Oates, P. Ramsden, L. Rhodes, S. J. Smartt, K. W. Smith, A. Aamer, J. P. Anderson, F. E. Bauer, E. Berger, T. de Boer, K. C. Chambers, P. Charalampopoulos, T.-W. Chen, R. P. Fender, M. Fraser, H. Gao, D. A. Green, L. Galbany, B. P. Gompertz, M. Gromadzki, C. P. Gutiérrez, D. A. Howell, C. Inserra, P. G. Jonker, M. Kopsacheili, T. B. Lowe, E. A. Magnier, C. McCully, S. L. McGee, T. Moore, T. E. Müller-Bravo, M. Newsome, E. Padilla Gonzalez, C. Pellegrino, T. Pessi, M. Pursiainen, A. Rest, E. J. Ridley, B. J. Shappee, X. Sheng, G. P. Smith, G. Terreran, M. A. Tucker, J. Vinkó, R. J. Wainscoat, P. Wiseman, D. R. Young
Publikováno v:
The Astrophysical Journal Letters, Vol 954, Iss 1, p L28 (2023)
We present the discovery and extensive follow-up of a remarkable fast-evolving optical transient, AT 2022aedm, detected by the Asteroid Terrestrial impact Last Alert Survey (ATLAS). In the ATLAS o band, AT 2022aedm exhibited a rise time of 9 ± 1 day
Externí odkaz:
https://doaj.org/article/9e536d8b3d6e4799b622d317b29c44e2
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
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