Rykoff, E. S., Aharonian, F., Akerlof, C. W., Ashley, M. C. B., Barthelmy, S. D., Flewelling, H. A., ...
We report on a complete set of early optical afterglows of gamma-ray bursts (GRBs) obtained with the Robotic Optical Transient Search Experiment (ROTSE-III) telescope network from 2005 March through...
Looking Into the Fireball: ROTSE-III and Swift Observations of Early GRB Afterglows (2009)
Rykoff, E. S., Aharonian, F., Akerlof, C. W., Ashley, M. C. B., Barthelmy, S. D., Flewelling, H. A., ...
We report on a complete set of early optical afterglows of gamma-ray bursts (GRBs) obtained with the ROTSE-III telescope network from March 2005 through June 2007. This set is comprised of 12...
Prompt optical observations of GRB 080330 and GRB 080413A (2008)
Yuan, F., Rykoff, E. S., Schaefer, B. E., Rujopakarn, W., Güver, T., Aharonian, F., ...
We report on the results of rapid responses to GRB 080330 and GRB 080413A by the ROTSE-IIIb and ROTSE-IIIc telecopes. In both cases, optical follow-up started during the prompt emission phase and...
VERY HIGH ENERGY GAMMA-RAY EMISSION FROM THE BLAZAR MARKARIAN 421 (2007)
M. S. Schubnell, C. W. Akerlof, S. Biller, J. Buckley, M. F. Cawley, ...
Very high energy gamma-ray emission from the BL Lac object Markarian 421 has been detected over three observing seasons on 59 nights between April 1992 and June 1994 with the Whipple 10-meter imaging...
Exploring broadband GRB behavior during gamma-ray emission (2007)
Yost, S. A., Swan, H. F., Rykoff, E. S., Aharonian, F., Akerlof, C. W., Alday, A., ...
The dark side of ROTSE-III prompt GRB observations (2007)
Yost, S. A., Aharonian, F., Akerlof, C. W., Ashley, M. C. B., Barthelmy, S., Gehrels, N., ...
Exploring Broadband GRB Behavior During gamma-ray Emission (2006)
Yost, S. A., Swan, H. F., Rykoff, E. S., Aharonian, F., Akerlof, C. W., Alday, A., ...
The robotic ROTSE-III telescope network detected prompt optical emission contemporaneous with the gamma-ray emission of Swift events GRB051109A and GRB051111. Both datasets have continuous coverage...
The Anomalous Early Afterglow of GRB 050801 (2006)
Rykoff, E.S., Aharonian, F., Akerlof, C. W., Mangano, V., Ashley, M. C. B., Güver, T., ...
The ROTSE-IIIc telescope at the HESS site, Namibia, obtained the earliest detection of optical emission from a gamma-ray burst (GRB), beginning only 21.8 s from the onset of Swift GRB 050801. The...
Early-Time Observations of the GRB 050319 Optical Transient (2006)
Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...
We present the unfiltered ROTSE-III light curve of the optical transient associated with GRB 050319 beginning 4 s after the cessation of gamma-ray activity. We fit a power-law function to the data...
A Search for Untriggered GRB Afterglows with ROTSE-III (2005)
Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...
We present the results of a search for untriggered gamma-ray burst (GRB) afterglows with the Robotic Optical Transient Search Experiment-III (ROTSE-III) telescope array. This search covers...
Prompt Optical Detection of GRB 050401 with ROTSE-IIIa (2005)
Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...
The ROTSE-IIIa telescope at Siding Spring Observatory, Australia, detected prompt optical emission from Swift GRB 050401. We present observations of the early optical afterglow, first detected by the...
Optical Light Curve and Cooling Break of GRB 050502A (2005)
Rykoff, E.S., Aharonian, F., Akerlof, C. W., Alatalo, K., Ashley, M. C. B., Güver, T., ...
We present light curves of the afterglow of GRB 050502A, including very early data at t - tGRB < 60 s. The light curve is composed of unfiltered ROTSE-IIIb optical observations from 44 s to 6 hr...
A search for correlations of TeV gamma rays with ultra-high-energy cosmic rays (2003)
Akerlof, C. W., Biller, S., Boyle, P., Buckley, J., Carter-Lewis, D. A., Catanese, M., ...
A search was conducted for TeV gamma-rays emitted from the direction of the ultra-high-energy cosmic ray detected by the Fly's Eye experiment with energy E similar to 3 x 10(20) eV. No enhancement...
An integral field spectrograph for SNAP supernova studies (2002)
Ealet, Anne, Prieto, E., Bonissent, A., Malina, R., Basa, S., LeFevre, O., ...
Overview of the SuperNova/Acceleration probe (SNAP) (2002)
Aldering, Gregory L., Akerlof, C.W., Amanullah, R., Astier, P., Barrelet, E., Bebek, C., ...
Wide-field surveys from the SNAP mission (2002)
Kim, Alex G., Akerlof, C.W., Aldering, G., Amanullah, R., Astier, P., Barrelet, E., ...
The ROTSE-III Robotic Telescope System (2002)
C. W. Akerlof, R. L. Kehoe, T. A. Mckay, E. S. Rykoff, D. A. Smith, D. E. Casperson, ...
ABSTRACT. The observation of a prompt optical flash from GRB 990123 convincingly demonstrated the value of autonomous robotic telescope systems. Pursuing a program of rapid follow-up observations of...
Experimental Facilities Development (1984)
Charpak, G., Fisher, H.G., Gruhn, C.R., Minten, A., Sauli, F., Ploh, G., ...
This research was sponsored by the National Science Foundation Grant NSF PHy 87-14406