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0138

4U 1728-34

MJD 50697.88516 — 1997 Sep 6 21:14:37.5 — WFC 2 — obs 2304 — (148/1173)

This page displays the lightcurve and parameters in MINBAR DR1 for this event (Galloway et al. 2020).

Click for table parameters or navigate to previous/next burst: < 1997 Jul 17 5:14:33.1 > 1997 Sep 19 12:32:57.2

⚠ (:html:) <script type="text/javascript" src="uploads/dygraph.min.js"> </script> <div id="graphdiv4" style="width:700px; height:320px;"> </div> <script type="text/javascript"> g4 = new Dygraph( document.getElementById("graphdiv4"), "uploads/MINBAR/bursts/0138_lc.csv", { showRoller: true, rollPeriod: 5, errorBars: true, ylabel: "WFC 2 intensity (count/cm^2/s)", xlabel: "Time (s)", } ); </script> (:htmlend:)

This plot shows the segment of the 1-s binned lightcurve surrounding the event. Shaded regions indicate the error range for the count rate. The plot is resizeable; just click and drag on the figure area with the mouse. Double-click to restore the original shape. The figure in the box at the lower-left is the window size for the rolling average

References to other analyses of this burst: Cornelisse et al., (2003) (656)

Table parameters

parametervalueunit
instrWFC 2 
obsid2304 
time50697.88516MJD UT
calendar date1997 Sep 6 21:14:37.5UT
entry_obs5916 
bnum3 
xref- 
mult1 
angle611.87arcmin
vigcorr0.425 
sflag- 
rexp1.66 
rise3.10s
tau5.7± 2.3s
dur20.4± 11.8s
edt8.0± 3.8s
tdel1240.0h
trec-h
perflx4.006± 0.0991e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0998 
sc0.721 
hc0.511 
s_z2.384 
pflux3.65± 0.64count/cm^2/s
fluen19.743± 7.512count/cm^2
bpflux54.18± 20.701e-9 erg/cm^2/s
kT2.26±0.45keV
rad13.8± 5.0km/d_10kpc
bfluen0.1648±0.03681e-6 erg/cm^2

Parameters from the MINBAR DR1 analysis for this burst; click here for a description of each parameter.

Time-resolved spectroscopy

Click here to download time-resolved spectral analysis for this burst

Time resolved spectral files are available for selected RXTE/PCA and BeppoSAX/WFC bursts only.

The file formats are described here.

Please report any issues with this page or the linked files to Duncan.Galloway@monash.edu

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Page last modified on May 08, 2026, at 05:34 PM