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0261

4U 1728-34

MJD 51274.70308 — 1999 Apr 6 16:52:26.4 — WFC 1 — obs 6786 — (325/1173)

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 6 10:50:09.3 > 1999 Apr 6 20:08:49.3

⚠ (: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/0261_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) (1499)

Table parameters

parametervalueunit
instrWFC 1 
obsid6786 
time51274.70308MJD UT
calendar date1999 Apr 6 16:52:26.4UT
entry_obs5973 
bnum17 
xref- 
mult1 
angle341.54arcmin
vigcorr0.658 
sflag- 
rexp1.82 
rise2.60s
tau3.1± 0.6s
dur12.3± 3.3s
edt3.9± 0.9s
tdel6.0h
trec-h
perflx2.912± 0.8361e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0691 
sc0.989 
hc0.772 
s_z0.967 
pflux4.04± 0.49count/cm^2/s
fluen21.317± 3.472count/cm^2
bpflux129.13± 22.061e-9 erg/cm^2/s
kT3.28±0.33keV
rad7.8± 1.2km/d_10kpc
bfluen0.3898±0.04281e-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 20, 2026, at 03:10 PM