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October 1999 from the BeppoSAX Calendar

October 
Sun Mon Tue Wed Thu Fri Sat
                     1   2
 3   4   5   6   7   8   9
10  11  12  13  14  15  16
17  18  19  20  21  22  23
24  25  26  27  28  29  30
31
Aql X-1 images at 4 epochs (left). Aql X-1 lightcurve (right).

These BeppoSAX MECS images and the plot to the right show the luminosity evolution of the Soft X-ray Transient Aql X-1, a binary system including a neutron star and a "normal" K star. The detection of Aql X-1 in outburst by the RXTE satellite (green points) triggered a series of BeppoSAX observations (red points) which allowed the investigators for the first time to follow the X-ray emission evolution down to a quiescence phase. Courtesy of S. Campana, Brera Observatory, Milano-Merate

1999 BeppoSAX Calendar

Images courtesy of the Agenzia Spaziale Italiana (ASI) and the BeppoSAX Science Data Center (SDC).
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This file was last modified on Tuesday, 31-Jul-2001 14:08:36 EDT