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0140

4U 1728-34

MJD 50725.50946 — 1997 Oct 4 12:13:37.3 — WFC 2 — obs 2579 — (160/1173)

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 Oct 1 11:55:29.1 > 1997 Oct 4 20:13:48.0

⚠ (: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/0140_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) (695)

Table parameters

parametervalueunit
instrWFC 2 
obsid2579 
time50725.50946MJD UT
calendar date1997 Oct 4 12:13:37.3UT
entry_obs5919 
bnum1 
xref- 
mult1 
angle349.41arcmin
vigcorr0.650 
sflag- 
rexp1.73 
rise1.30s
tau2.9± 1.0s
dur17.2± 4.5s
edt4.0± 0.8s
tdel72.3h
trec-h
perflx3.510± 0.0471e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0842 
sc0.691 
hc0.547 
s_z2.243 
pflux2.85± 0.49count/cm^2/s
fluen17.144± 5.496count/cm^2
bpflux71.32± 21.841e-9 erg/cm^2/s
kT2.54±0.43keV
rad10.7± 3.1km/d_10kpc
bfluen0.1815±0.03121e-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 06:18 AM