Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Koch, T. S."'
Autor:
Zheng, W., Shen, R. F., Sakamoto, T., Beardmore, A. P., De Pasquale, M., Wu, X. F., Gorosabel, J., Urata, Y., Sugita, S., Zhang, B., Pozanenko, A., Nissinen, M., Sahu, D. K., Im, M., Ukwatta, T. N., Andreev, M., Klunko, E., Volnova, A., Akerlof, C. W., Anto, P., Barthelmy, S. D., Breeveld, A., Carsenty, U., Castillo-Carri'on, S., Castro-Tirado, A. J., Chester, M. M., Chuang, C. J., Cunniffe, R., Postigo, A. De Ugarte, Duffard, R., Flewelling, H., Gehrels, N., Guver, T., Guziy, S., Hentunen, V. P., Huang, K. Y., Jelínek, M., Koch, T. S., Kub'anek, P., Kuin, P., McKay, T. A., Mottola, S., Oates, S. R., O'Brien, P., Page, M. J., Pandey, S. B., del Pulgar, C. Perez, Rujopakarn, W., Rykoff, E., Salmi, T., S'anchez-Ramírez, R., Schaefer, B. E., Sergeev, A., Sonbas, E., Sota, A., Tello, J. C., Yamaoka, K., Yost, S. A., Yuan, F.
We present a comprehensive analysis of a bright, long duration (T90 ~ 257 s) GRB 110205A at redshift z= 2.22. The optical prompt emission was detected by Swift/UVOT, ROTSE-IIIb and BOOTES telescopes when the GRB was still radiating in the gamma-ray b
Externí odkaz:
http://arxiv.org/abs/1111.0283
Autor:
Krühler, T., Schady, P., Greiner, J., Afonso, P., Bottacini, E., Clemens, C., Filgas, R., Klose, S., Koch, T. S., Küpcü-Yoldaş, A., Oates, S. R., Olivares, E. F., Page, M. J., McBreen, S., Nardini, M., Guelbenzu, A. Nicuesa, Rau, A., Roming, P. W. A., Rossi, A., Updike, A., Yoldaş, A.
Publikováno v:
Astronomy & Astrophysics 526 (2011) A153
We present a framework to obtain photometric redshifts (photo-zs) for gamma-ray burst afterglows. Using multi-band photometry from GROND and Swift/UVOT, photo-zs are derived for five GRBs for which spectroscopic redshifts are not available. We use UV
Externí odkaz:
http://arxiv.org/abs/1011.1205
Autor:
Oates, S. R., Page, M. J., Schady, P., De Pasquale, M., Evans, P. A., Page, K. L., Chester, M. M., Curran, P. A., Koch, T. S., Kuin, N. P. M., Roming, P. W. A., Siegel, M. H., Zane, S., Nousek, J. A.
We present the systematic analysis of the UVOT and XRT light curves for a sample of 26 Swift Gamma-Ray Bursts (GRBs). By comparing the optical/UV and X-ray light curves, we found that they are remarkably different during the first 500s after the BAT
Externí odkaz:
http://arxiv.org/abs/1010.6212
Autor:
Hoversten, E. A., Gronwall, C., Berk, D. E. Vanden, Koch, T. S., Breeveld, A. A., Curran, P. A., Hinshaw, D. A., Marshall, F. E., Roming, P. W. A., Siegel, M. H., Still, M.
Publikováno v:
Astrophys.J.705:1462-1468,2009
Deep Swift UV/Optical Telescope (UVOT) imaging of the Chandra Deep Field South is used to measure galaxy number counts in three near ultraviolet (NUV) filters (uvw2: 1928 A, uvm2: 2246 A, uvw1: 2600 A) and the u band (3645 A). UVOT observations cover
Externí odkaz:
http://arxiv.org/abs/0910.0033
Autor:
Oates, S. R., Page, M. J., Schady, P., de Pasquale, M., Koch, T. S., Breeveld, A. A., Brown, P. J., Chester, M. M., Holland, S. T., Hoversten, E. A., Kuin, N. P. M., Marshall, F. E., Roming, P. W. A., Still, M., Berk, D. E. Vanden, Zane, S., Nousek, J. A.
We present the first statistical analysis of 27 UVOT optical/ultra-violet lightcurves of GRB afterglows. We have found, through analysis of the lightcurves in the observer's frame, that a significant fraction rise in the first 500s after the GRB trig
Externí odkaz:
http://arxiv.org/abs/0901.3597
Autor:
Roming, P. W. A., Koch, T. S., Oates, S. R., Porterfield, B. L., Berk, D. E. Vanden, Boyd, P. T., Holland, S. T., Hoversten, E. A., Immler, S., Marshall, F. E., Page, M. J., Racusin, J. L., Schneider, D. P., Breeveld, A. A., Brown, P. J., Chester, M. M., Cucchiara, A., De Pasquale, M., Gronwall, C., Hunsberger, S. D., Kuin, N. P. M., Landsman, W. B., Schady, P., Still, M.
Publikováno v:
Astrophys.J.690:163-188,2009
We present the first Swift Ultra-Violet/Optical Telescope (UVOT) gamma-ray burst (GRB) afterglow catalog. The catalog contains data from over 64,000 independent UVOT image observations of 229 GRBs first detected by Swift, the High Energy Transient Ex
Externí odkaz:
http://arxiv.org/abs/0809.4193
Autor:
Thöne, C. C., Kann, D. A., Jóhannesson, G., Selj, J. H., Jaunsen, A. O., Fynbo, J. P. U., Akerlof, C. W., Baliyan, K. S., Bartolini, C., Bikmaev, I. F., Bloom, J. S., Burenin, R. A., Cobb, B. E., Covino, S., Curran, P. A., Dahle, H., Ferrero, A., Foley, S., French, J., Fruchter, A. S., Ganesh, S., Graham, J. F., Greco, G., Guarnieri, A., Hanlon, L., Hjorth, J., Ibrahimov, M., Israel, G. L., Jakobsson, P., Jelínek, M., Jensen, B. L., Jørgensen, U. G., Khamitov, I. M., Koch, T. S., Levan, A. J., Malesani, D., Masetti, N., Meehan, S., Melady, G., Nanni, D., Näränen, J., Pakstiene, E., Pavlinsky, M. N., Perley, D. A., Piccioni, A., Pizzichini, G., Pozanenko, A., Roming, P. W. A., Rujopakarn, W., Rumyantsev, V., Rykoff, E. S., Sharapov, D., Starr, D., Sunyaev, R. A., Swan, H., Tanvir, N. R., Terra, F., Vreeswijk, P. M., Wilson, A. C., Yost, S. A., Yuan, F.
Publikováno v:
Astron.Astrophys.523:A70,2010
Aims: With this paper we want to investigate the highly variable afterglow light curve and environment of gamma-ray burst (GRB) 060526 at $z=3.221$. Methods: We present one of the largest photometric datasets ever obtained for a GRB afterglow, consis
Externí odkaz:
http://arxiv.org/abs/0806.1182
Autor:
Morgan, A. N., Berk, D. E. Vanden, Roming, P. W. A., Nousek, J. A., Koch, T. S., Breeveld, A. A., de Pasquale, M., Holland, S. T., Kuin, N. P. M., Page, M. J., Still, M.
We present a technique for optimal coaddition of image data for rapidly varying sources, with specific application to gamma-ray burst (GRB) afterglows. Unweighted coaddition of rapidly fading afterglow lightcurve data becomes counterproductive relati
Externí odkaz:
http://arxiv.org/abs/0805.1426
Autor:
Roming, P. W. A., Kennedy, T. E., Mason, K. O., Nousek, J. A., Ahr, L., Bingham, R. E., Broos, P. S., Carter, M. J., Hancock, B. K., Huckle, H. E., Hunsberger, S. D., Kawakami, H., Killough, R., Koch, T. S., McLelland, M. K., Smith, K., Smith, P. J., Soto, J. C., Boyd, P. T., Breeveld, A. A., Holland, S. T., Ivanushkina, M., Pryzby, M. S., Still, M. D., Stock, J.
Publikováno v:
Space Sci.Rev.120:95-142,2005
The UV/Optical Telescope (UVOT) is one of three instruments flying aboard the Swift Gamma-ray Observatory. It is designed to capture the early (approximately 1 minute) UV and optical photons from the afterglow of gamma-ray bursts in the 170-600 nm ba
Externí odkaz:
http://arxiv.org/abs/astro-ph/0507413
Autor:
Brandt, W. N., Hornschemeier, A. E., Schneider, D. P., Garmire, G. P., Chartas, G., Hill, Gary J., MacQueen, P. J., Townsley, L. K., Burrows, D. N., Koch, T. S., Nousek, J. A., Ramsey, L. W.
We present results from a study of 2-8 keV X-ray sources detected by the Advanced CCD Imaging Spectrometer (ACIS) instrument on the Chandra X-ray Observatory in the field of the z=0.516 cluster CRSS J0030.5+2618. In our 63.5 arcmin^2 search area, we
Externí odkaz:
http://arxiv.org/abs/astro-ph/0002121