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Advances in Astronomy
Volume 2015 (2015), Article ID 165030, 12 pages
Review Article

A New Era of Submillimeter GRB Afterglow Follow-Ups with the Greenland Telescope

1Institute of Astronomy, National Central University, Chungli 32054, Taiwan
2Academia Sinica Institute of Astronomy and Astrophysics, Taipei 106, Taiwan
3Department of Mathematics and Science, National Taiwan Normal University, Linkou District, New Taipei City 24449, Taiwan
4Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA

Received 1 December 2014; Revised 19 March 2015; Accepted 23 March 2015

Academic Editor: Valery Nakariakov

Copyright © 2015 Yuji Urata et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Planned rapid submillimeter (submm) gamma-ray-bursts (GRBs) follow-up observations conducted using the Greenland Telescope (GLT) are presented. The GLT is a 12-m submm telescope to be located at the top of the Greenland ice sheet, where the high altitude and dry weather porvide excellent conditions for observations at submm wavelengths. With its combination of wavelength window and rapid responding system, the GLT will explore new insights on GRBs. Summarizing the current achievements of submm GRB follow-ups, we identify the following three scientific goals regarding GRBs: (1) systematic detection of bright submm emissions originating from reverse shock (RS) in the early afterglow phase, (2) characterization of forward shock and RS emissions by capturing their peak flux and frequencies and performing continuous monitoring, and (3) detections of GRBs at a high redshift as a result of the explosion of first generation stars through systematic rapid follow-ups. The light curves and spectra calculated by available theoretical models clearly show that the GLT could play a crucial role in these studies.