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0269

4U 1728-34

MJD 51279.17466 — 1999 Apr 11 4:11:30.8 — WFC 1 — obs 6807 — (333/1173)

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 Apr 11 1:21:11.8 > 1999 Jun 30 19:50:14.2

⚠ (: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/0269_lc.csv", { showRoller: true, rollPeriod: 5, errorBars: true, ylabel: "WFC 1 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) (1540)

Table parameters

parametervalueunit
instrWFC 1 
obsid6807 
time51279.17466MJD UT
calendar date1999 Apr 11 4:11:30.8UT
entry_obs5976 
bnum8 
xref- 
mult1 
angle341.54arcmin
vigcorr0.658 
sflag- 
rexp1.65 
rise4.60s
tau7.8± 1.6s
dur24.0± 4.6s
edt7.4± 1.2s
tdel2.8h
trec-h
perflx3.586± 0.0891e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0876 
sc0.743 
hc0.597 
s_z2.446 
pflux3.00± 0.44count/cm^2/s
fluen24.506± 4.377count/cm^2
bpflux69.80± 12.261e-9 erg/cm^2/s
kT2.62±0.24keV
rad8.3± 1.3km/d_10kpc
bfluen0.5175±0.05691e-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 18, 2026, at 05:05 AM