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0281

4U 1728-34

MJD 51415.45799 — 1999 Aug 25 10:59:30.6 — WFC 2 — obs 7427 — (352/1173)

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: < 1999 Aug 25 8:11:28.8 > 1999 Sep 1 21:00:14.7

⚠ (: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/0281_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) (1625)

Table parameters

parametervalueunit
instrWFC 2 
obsid7427 
time51415.45799MJD UT
calendar date1999 Aug 25 10:59:30.6UT
entry_obs5980 
bnum12 
xref- 
mult1 
angle347.45arcmin
vigcorr0.650 
sflag- 
rexp1.73 
rise2.70s
tau5.5± 1.0s
dur12.2± 3.6s
edt3.0± 0.7s
tdel2.8h
trec-h
perflx4.179± 0.0641e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.1004 
sc0.738 
hc0.580 
s_z2.402 
pflux2.43± 0.38count/cm^2/s
fluen13.917± 3.101count/cm^2
bpflux47.57± 7.171e-9 erg/cm^2/s
kT1.96±0.18keV
rad13.9± 2.3km/d_10kpc
bfluen0.2535±0.02961e-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 April 13, 2026, at 12:05 AM