ASTRONOMY AND ASTROPHYSICS Search for GRB afterglows in the ROSAT all-sky survey
نویسندگان
چکیده
We report on the status of our search for Xray afterglows of gamma-ray bursts (GRBs) using the ROSAT all-sky survey (RASS) data. The number of potential X-ray afterglow candidates with respect to the expected number of beamed GRBs allows to constrain the relative beaming angles of GRB emission and afterglow emission at about 1-5 hrs after the GRB.
منابع مشابه
ASTRONOMY AND ASTROPHYSICS Search for GRB X-ray afterglows in the ROSAT all-sky survey
We describe a search for X-ray afterglows from gamma-ray bursts using the ROSAT all-sky survey (RASS) data. If the emission in the soft X-ray band is significantly less beamed than in the gamma-ray band, we expect to detect many afterglows in the RASS. Our search procedure generated 23 afterglow candidates, where about 4 detections are predicted. However, follow-up spectroscopy of several count...
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