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0277

4U 1728-34

MJD 51414.75997 — 1999 Aug 24 18:14:21.1 — WFC 2 — obs 7425 — (348/1173)

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 24 15:04:34.3 > 1999 Aug 24 22:56:29.2

⚠ (: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/0277_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) (1612)

Table parameters

parametervalueunit
instrWFC 2 
obsid7425 
time51414.75997MJD UT
calendar date1999 Aug 24 18:14:21.1UT
entry_obs5979 
bnum10 
xref- 
mult1 
angle347.45arcmin
vigcorr0.650 
sflag- 
rexp1.73 
rise1.10s
tau5.8± 2.0s
dur11.8± 3.5s
edt4.3± 1.1s
tdel3.2h
trec-h
perflx4.855± 0.0611e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.1166 
sc0.721 
hc0.580 
s_z2.347 
pflux2.60± 0.47count/cm^2/s
fluen12.070± 2.578count/cm^2
bpflux48.22± 14.921e-9 erg/cm^2/s
kT3.08±0.50keV
rad7.1± 2.0km/d_10kpc
bfluen0.2492±0.04521e-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 07:18 AM