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0240

4U 1728-34

MJD 51232.18183 — 1999 Feb 23 4:21:50.1 — WFC 1 — obs 6427 — (295/1173)

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 Feb 22 19:10:31.1 > 1999 Feb 24 15:54:57.5

⚠ (: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/0240_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) (1376)

Table parameters

parametervalueunit
instrWFC 1 
obsid6427 
time51232.18183MJD UT
calendar date1999 Feb 23 4:21:50.1UT
entry_obs5963 
bnum23 
xref- 
mult1 
angle746.34arcmin
vigcorr0.380 
sflag- 
rexp1.82 
rise2.30s
tau4.4± 1.1s
dur11.5± 4.6s
edt3.6± 1.2s
tdel9.2h
trec-h
perflx1.973± 0.6481e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0477 
sc0.738 
hc0.839 
s_z0.977 
pflux4.48± 0.67count/cm^2/s
fluen21.041± 4.768count/cm^2
bpflux113.31± 21.231e-9 erg/cm^2/s
kT3.15±0.30keV
rad7.4± 1.1km/d_10kpc
bfluen0.4694±0.08791e-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 22, 2026, at 04:44 PM