activity
20082012
most citedMeasurements of cosmic-ray secondary nuclei at high energies with the first flight of the CREAM balloon-borne experiment

208 citations · 221 across the 5 of their papers we have counts for

collaborators

10 papers

astro-ph.IM2012★ 4 cited

A next generation Ultra-Fast Flash Observatory (UFFO-100) for IR/optical observations of the rise phase of gamma-ray bursts

B. Grossan, I. H. Park, S. Ahmad +39

The Swift Gamma-ray Burst (GRB) observatory responds to GRB triggers with optical observations in ~ 100 s, but cannot respond faster than ~ 60 s. While some ground-based telescopes…

astro-ph.IM2011

Data Acquisition System for the UFFO Pathfinder

G. W. Na, K. -B. Ahn, H. S. Choi +22

The Ultra-Fast Flash Observatory (UFFO) Pathfinder is a payload on the Russian Lomonosov satellite, scheduled to be launched in November 2011. The Observatory is designed to detect…

astro-ph.CO2011

Design and Fabrication of Detector Module for UFFO Burst Alert & Trigger Telescope

A. Jung, S. Ahmad, K. -B. Ahn +39

The Ultra-Fast Flash Observatory (UFFO) pathfinder is a space mission devoted to the measurement of Gamma-Ray Bursts (GRBs), especially their early light curves which will give cru…

astro-ph.CO2011

Optical Performances of Slewing Mirror Telescope for UFFO-Pathfinder

S. Jeong, K. -B. Ahn, J. W. Nam +21

The Ultra-Fast Flash Observatory-Pathfinder (UFFO-P) is to be launched onboard Lomonosov spacecraft in November 2011. It is to measure early UV/Optical photons from Gamma Ray Burst…

astro-ph.HE2011

The UFFO (Ultra Fast Flash Observatory) Pathfinder: Science and Mission

P. Chen, S. Ahmad, K. Ahn +39

Hundreds of gamma-ray burst (GRB) optical light curves have been measured since the discovery of optical afterglows. However, even after nearly 7 years of operation of the Swift Ob…

astro-ph.IM2011

Implementation of the readout system in the UFFO Slewing Mirror Telescope

J. E. Kim, H. Lim, A. Jung +22

The Ultra-Fast Flash Observatory (UFFO) is a new space-based experiment to observe Gamma-Ray Bursts (GRBs). GRBs are the most luminous electromagnetic events in the universe and oc…

astro-ph.IM2010★ 1 cited

Energy cross-calibration from the first CREAM flight: transition radiation detector versus calorimeter

P. Maestro, H. S. Ahn, P. S. Allison +35

The Cosmic Ray Energetics And Mass (CREAM) balloon experiment had two successful flights in 2004/05 and 2005/06. It was designed to perform energy measurements from a few GeV up to…

astro-ph.HE2010★ 1 cited

Performance of the CREAM calorimeter in accelerator beam test

Y. S. Yoon, H. S. Ahn, M. G. Bagliesi +24

The CREAM calorimeter, designed to measure the spectra of cosmic-ray nuclei from under 1 TeV to 1000 TeV, is a 20 radiation length (X0) deep sampling calorimeter. The calorimeter i…

astro-ph.CO2009★ 7 cited

The UFFO (Ultra-Fast Flash Observatory) Pathfinder

I. H. Park, B. Grossan, H. Lim +11

Hundreds of gamma-ray burst (GRB) UV-optical light curves have been measured since the discovery of optical afterglows, however, even after nearly 5 years of operation of the SWIFT…

astro-ph2008★ 208 cited

Measurements of cosmic-ray secondary nuclei at high energies with the first flight of the CREAM balloon-borne experiment

H. S. Ahn, P. S. Allison, M. G. Bagliesi +34

We present new measurements of heavy cosmic-ray nuclei at high energies per- formed during the first flight of the balloon-borne cosmic-ray experiment CREAM (Cosmic-Ray Energetics…