Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Arabaci, M. Özbey"'
We present results from quasi-simultaneous multiwavelength observations of the Galactic black hole X-ray transient MAXI J1820$+$070 during the decay of the 2018 outburst and its entire subsequent mini-outburst in March 2019. We fit the X-ray spectra
Externí odkaz:
http://arxiv.org/abs/2206.02461
Autor:
Segura, N. Castro, Knigge, C., Long, K. S., Altamirano, D., Padilla, M. Armas, Bailyn, C., Buckley, D. A. H., Buisson, D. J. K., Casares, J., Charles, P., Combi, J. A., Cúneo, V. A., Degenaar, N. D., del Palacio, S., Trigo, M. Díaz, Fender, R., Gandhi, P., Georganti, M., Gutiérrez, C., Santisteban, J. V. Hernandez, Jiménez-Ibarra, F., Matthews, J., Méndez, M., Middleton, M., Muñoz-Darias, T., Arabacı, M. Özbey, Pahari, M., Rhodes, L., Russell, T. D., Scaringi, S., Eijnden, J. van den, Vasilopoulos, G., Vincentelli, F. M., Wiseman, P.
All disc-accreting astrophysical objects produce powerful outflows. In binaries containing neutron stars (NS) or black holes, accretion often takes place during violent outbursts. The main disc wind signatures during these eruptions are blue-shifted
Externí odkaz:
http://arxiv.org/abs/2203.01372
Autor:
Buisson, D. J. K., Altamirano, D., Padilla, M. Armas, Arzoumanian, Z., Bult, P., Segura, N. Castro, Charles, P. A., Degenaar, N., Trigo, M. Díaz, Eijnden, J. van den, Fogantini, F., Gandhi, P., Gendreau, K., Hare, J., Homan, J., Knigge, C., Malacaria, C., Mendez, M., Darias, T. Muñoz, Ng, M., Arabacı, M. Özbey, Remillard, R., Strohmayer, T. E., Tombesi, F., Tomsick, J. A., Vincentelli, F., Walton, D. J.
We present the discovery of eclipses in the X-ray light curves of the X-ray binary Swift J1858.6-0814. From these, we find an orbital period of $P=76841.3_{-1.4}^{+1.3}$ s ($\approx21.3$ hours) and an eclipse duration of $t_{\rm ec}=4098_{-18}^{+17}$
Externí odkaz:
http://arxiv.org/abs/2103.12787
Autor:
Buisson, D. J. K., Altamirano, D., Bult, P., Mancuso, G. C., Güver, T., Jaisawal, G. K., Hare, J., Albayati, A. C., Arzoumanian, Z., Segura, N. Castro, Chakrabarty, D., Gandhi, P., Guillot, S., Homan, J., Gendreau, K. C., Jiang, J., Malacaria, C., Miller, J. M., Arabacı, M. Özbey, Remillard, R., Strohmayer, T. E., Tombesi, F., Tomsick, J. A., Vincentelli, F. M., Walton, D. J.
Swift J1858.6-0814 is a recently discovered X-ray binary notable for extremely strong variability (by factors $>100$ in soft X-rays) in its discovery state. We present the detection of five thermonuclear (Type I) X-ray bursts from Swift J1858.6-0814,
Externí odkaz:
http://arxiv.org/abs/2009.03334
Autor:
Buisson, D. J. K., Altamirano, D., Trigo, M. Díaz, Mendez, M., Padilla, M. Armas, Segura, N. Castro, Degenaar, N. D., Eijnden, J. van den, Fogantini, F. A., Gandhi, P., Knigge, C., Muñoz-Darias, T., Arabacı, M. Özbey, Vincentelli, F. M.
We find soft X-ray emission lines from the X-ray binary Swift J1858.6-0814 in data from XMM-Newton-RGS: N VII, O VII and O VIII, as well as notable residuals short of a detection at Ne IX and other higher ionisation transitions. These could be associ
Externí odkaz:
http://arxiv.org/abs/2007.14407
Autor:
Eijnden, J. van den, Degenaar, N., Russell, T. D., Buisson, D. J. K., Altamirano, D., Padilla, M. Armas, Bahramian, A., Segura, N. Castro, Fogantini, F. A., Heinke, C. O., Maccarone, T., Maitra, D., Miller-Jones, J. C. A., Muñoz-Darias, T., Arabacı, M. Özbey, Russell, D. M., Shaw, A. W., Sivakoff, G., Tetarenko, A. J., Vincentelli, F., Wijnands, R.
Swift J1858.6-0814 is a transient neutron star X-ray binary discovered in October 2018. Multi-wavelength follow-up observations across the electromagnetic spectrum revealed many interesting properties, such as erratic flaring on minute timescales and
Externí odkaz:
http://arxiv.org/abs/2006.06425
Autor:
Muñoz-Darias, T., Padilla, M. Armas, Jiménez-Ibarra, F., Panizo-Espinar, G., Casares, J., Altamirano, D., Buisson, D. J. K., Segura, N. Castro, Cúneo, V. A., Degenaar, N., Fogantini, F. A., Knigge, C., Sánchez, D. Mata, Arabaci, M. Özbey, Sánchez-Sierras, J., Torres, M. A. P., Eijnden, J. van den, Vincentelli, F. M.
We present the discovery of an optical accretion disk wind in the X-ray transient Swift J1858.6-0814. Our 90-spectrum data set, taken with the 10.4m GTC telescope over 8 different epochs and across five months, reveals the presence of conspicuous P-C
Externí odkaz:
http://arxiv.org/abs/2003.12073
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