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X-ray Light Curve of GRO J1744-28 observed with RXTE/PCA on day 136 of 1996
J1744_d136_16s_lc image: X-ray light curve of GRO J1744-28 observed with RXTE/PCA. Bin width of each data is 16 seconds. X-ray light curve of GRO J1744-28 observed with RXTE/PCA. The source was observed from May 15 19:01 to 21:21, 1996 (UT). Bin #0 of X-axis corresponds to May 14 19:00:31, 1996. Bin width of each data is 16 seconds. This observation was done with 5 PCU's. This light curve includes background counts of roughly 1600-2400 counts/bin. We detect one 'classical' type I burst during the observation of GRO J1744-28. but this is provably not from GRO J1744-28 but from other low-mass X-ray binary in the field of view.
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X-ray Light Curve of GRO J1744-28 in finer time resolution
X-ray light curve of GRO J1744-28 observed with RXTE/PCA with 1-sec time resolution binning. The source was observed from May 15 19:01 to 21:21, 1996 (UT), and this light curve covers from 19:18:23 to 19:35:26. This light curve includes background counts of roughly 100-150 counts/sec. As mentioned above, we detected a type-I burst which is not supposed to come from GRO J1744-28. J1744_d136_1sec_lc image: X-ray light curve of GRO J1744-28 observed with RXTE/PCA with 1-sec time resolution binning.
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Power Spectrum of GRO J1744-28 on day 136 (May 12, 1996)
J1744_d136_power image: Power spectrum of GRO J1744-28 observed with RXTE/PCA on day 136 (May 15, 1996). Power spectrum of GRO J1744-28 observed with RXTE/PCA on day 136 (May 15, 1996). This power spectrum is an ensemble average of 42 spectra, each of which are calculated from 128 seconds continuous data in 0.125 second bin. X-axis represents wave number (WN). Frequency of each WN is given as WN/128 (Hz). Peak at WN=274 (2.14Hz) corresponds to the coherent pulsation.
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Updated by Toshiaki Takeshima, XTE SOF


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