Zobrazeno 1 - 10
of 1 148
pro vyhledávání: '"Forster K."'
Autor:
Madsen, K. K., Burwitz, V., Forster, K., Grant, C. E., Guainazzi, M., Kashyap, V., Marshall, H. L., Miller, E. D., Natalucci, L., Plucinsky, P. P., Terada, Y.
In this report, we summarize the activities of the International Astronomical Consortium for High Energy Calibration (IACHEC) from the 15th IACHEC Workshop in Pelham, Germany. Sixty scientists directly involved in the calibration of operational and f
Externí odkaz:
http://arxiv.org/abs/2407.09432
Autor:
Madsen, K. K., Burwitz, V., Forster, K., Grant, C. E., Guainazzi, M., Kashyap, V., Marshall, H. L., Miller, E. D., Natalucci, L., Plucinsky, P. P., Terada, Y.
In this report we summarize the activities of the International Astronomical Consortium for High Energy Calibration (IACHEC) and the work done since the last in-person meeting in Japan (Shonan Village Center), May 2019, through two virtual meetings t
Externí odkaz:
http://arxiv.org/abs/2111.01613
Autor:
Baloković M., Ajello M., Blandford R. D., Boggs S. E., Borracci F., Chiang J., Christensen F. E., Craig W. W., Forster K., Furniss A., Fürst F., Ghisellini G., Giebels B., Giommi P., Grefenstette B. W., Hailey C. J., Harrison F. A., Hayashida M., Humensky B., Inoue Y., Koglin J. E., Krawczynski H., Madejski G. M., Madsen K. K., Meier D. L., Nelson T., Ogle P., Paneque D., Perri M., Puccetti S., Reynolds C. S., Sbarrato T., Stern D., Tagliaferri G., Urry C. M., Wehrle A. E., Zhang W. W.
Publikováno v:
EPJ Web of Conferences, Vol 61, p 04013 (2013)
Mkn 421 is a nearby active galactic nucleus dominated at all wavelengths by a very broad nonthermal continuum thought to arise from a relativistic jet seen at a small angle to the line of sight. Its spectral energy distribution peaks in the X-ray and
Externí odkaz:
https://doaj.org/article/45522e9c5586453f8fb7581303570333
Autor:
Middleton, M. J., Walton, D. J., Alston, W., Dauser, T., Eikenberry, S., Jiang, Y-F, Fabian, A. C., Fuerst, F., Brightman, M., Marshall, H., Parker, M., Pinto, C., Harrison, F. A., Bachetti, M., Altamirano, D., Bird, A. J., Perez, G., Miller-Jones, J., Charles, P. A., Boggs, S., Christensen, F., Craig, W., Forster, K., Grefenstette, B., Hailey, C., Madsen, K., Stern, D., Zhang, W.
SS433 is the only Galactic binary system known to persistently accrete at highly super-critical (or hyper-critical) rates, similar to those in tidal disruption events, and likely needed to explain the rapid growth of those very high redshift quasars
Externí odkaz:
http://arxiv.org/abs/1810.10518
Autor:
Evans, P. A., Cenko, S. B., Kennea, J. A., Emery, S. W. K., Kuin, N. P. M., Korobkin, O., Wollaeger, R. T., Fryer, C. L., Madsen, K. K., Harrison, F. A., Xu, Y., Nakar, E., Hotokezaka, K., Lien, A., Campana, S., Oates, S. R., Troja, E., Breeveld, A. A., Marshall, F. E., Barthelmy, S. D., Beardmore, A. P., Burrows, D. N., Cusumano, G., D'Ai, A., D'Avanzo, P., D'Elia, V., de Pasquale, M., Even, W. P., Fontes, C. J., Forster, K., Garcia, J., Giommi, P., Grefenstette, B., Gronwall, C., Hartmann, D. H., Heida, M., Hungerford, A. L., Kasliwal, M. M., Krimm, H. A., Levan, A. J., Malesani, D., Melandri, A., Miyasaka, H., Nousek, J. A., O'Brien, P. T., Osborne, J. P., Pagani, C., Page, K. L., Palmer, D. M., Perri, M., Pike, S., Racusin, J. L., Rosswog, S., Siegel, M. H., Sakamoto, T., Sbarufatti, B., Tagliaferri, G., Tanvir, N. R., Tohuvavohu, A.
With the first direct detection of merging black holes in 2015, the era of gravitational wave (GW) astrophysics began. A complete picture of compact object mergers, however, requires the detection of an electromagnetic (EM) counterpart. We report ult
Externí odkaz:
http://arxiv.org/abs/1710.05437
Autor:
Forster, K., Grant, C. E., Guainazzi, M., Kashyap, V., Marshall, H. L., Miller, E. D., Natalucci, L., Nevalainen, J., Plucinsky, P. P., Terada, Y.
We summarize the outcome of the 12th meeting of the International Astronomical Consortium for High Energy Calibration (IACHEC), held at the UCLA conference center in Lake Arrowhead (California) in March 2017. 56 scientists directly involved in the ca
Externí odkaz:
http://arxiv.org/abs/1708.01446
Autor:
Lansbury, G. B., Stern, D., Aird, J., Alexander, D. M., Fuentes, C., Harrison, F. A., Treister, E., Bauer, F. E., Tomsick, J. A., Balokovic, M., Del Moro, A., Gandhi, P., Ajello, M., Annuar, A., Ballantyne, D. R., Boggs, S. E., Brandt, N., Brightman, M., Chen, C. J., Christensen, F. E., Civano, F., Comastri, A., Craig, W. W., Forster, K., Grefenstette, B. W., Hailey, C. J., Hickox, R., Jiang, B., Jun, H., Koss, M., Marchesi, S., Melo, A. D., Mullaney, J. R., Noirot, G., Schulze, S., Walton, D. J., Zappacosta, L., Zhang, W.
We present the first full catalog and science results for the NuSTAR serendipitous survey. The catalog incorporates data taken during the first 40 months of NuSTAR operation, which provide ~20Ms of effective exposure time over 331 fields, with an are
Externí odkaz:
http://arxiv.org/abs/1612.06389
Autor:
Hung, T., Gezari, S., Jones, D. O., Kirshner, R. P., Chornock, R., Berger, E., Rest, A., Huber, M., Narayan, G., Scolnic, D., Waters, C., Wainscoat, R., Martin, D. C., Forster, K., Neill, J. D.
We analyze the wavelength-dependent variability of a sample of spectroscopically confirmed active galactic nuclei (AGN) selected from near-UV ($NUV$) variable sources in the GALEX Time Domain Survey that have a large amplitude of optical variability
Externí odkaz:
http://arxiv.org/abs/1609.06307
Autor:
Madejski, G. M., Nalewajko, K., Madsen, K. K., Chiang, J., Baloković, M., Paneque, D., Furniss, A. K., Hayashida, M., Urry, C. M., Sikora, M., Ajello, M., Blandford, R. D., Harrison, F. A., Sanchez, D., Giebels, B., Stern, D., Alexander, D. M., Barret, D., Boggs, S. E., Christensen, F. E., Craig, W. W., Forster, K., Giommi, P., Grefenstette, B., Hailey, C., Hornstrup, A., Kitaguchi, T., Koglin, J. E., Mao, P. H., Miyasaka, H., Mori, K., Perri, M., Pivovaroff, M. J., Puccetti, S., Rana, V., Westergaard, N. J., Zhang, W. W., Zoglauer, A.
We report the first hard X-ray observations with NuSTAR of the BL Lac type blazar PKS 2155-304, augmented with soft X-ray data from XMM-Newton and gamma-ray data from the Fermi Large Area Telescope, obtained in April 2013 when the source was in a ver
Externí odkaz:
http://arxiv.org/abs/1609.02203
Autor:
Walton, D. J., Mooley, K., King, A. L., Tomsick, J. A., Miller, J. M., Dauser, T., Garcia, J., Bachetti, M., Brightman, M., Fabian, A. C., Forster, K., Fuerst, F., Gandhi, P., Grefenstette, B. W., Harrison, F. A., Madsen, K. K., Meier, D. L., Middleton, M. J., Natalucci, L., Rahoui, F., Rana, V., Stern, D.
We present first results from a series of $NuSTAR$ observations of the black hole X-ray binary V404 Cyg obtained during its summer 2015 outburst, primarily focusing on observations during the height of this outburst activity. The $NuSTAR$ data show e
Externí odkaz:
http://arxiv.org/abs/1609.01293