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0284

4U 1728-34

MJD 51423.61444 — 1999 Sep 2 14:44:47.3 — WFC 2 — obs 7475 — (355/1173)

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 Sep 2 8:28:55.2 > 1999 Sep 2 21:34:29.0

⚠ (: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/0284_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) (1644)

Table parameters

parametervalueunit
instrWFC 2 
obsid7475 
time51423.61444MJD UT
calendar date1999 Sep 2 14:44:47.3UT
entry_obs5981 
bnum20 
xref- 
mult1 
angle347.45arcmin
vigcorr0.650 
sflag- 
rexp1.86 
rise3.00s
tau5.2± 2.1s
dur14.2± 3.0s
edt3.4± 0.6s
tdel6.3h
trec-h
perflx1.978± 0.0501e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0474 
sc0.694 
hc0.752 
s_z1.257 
pflux3.62± 0.53count/cm^2/s
fluen23.594± 4.396count/cm^2
bpflux90.84± 34.241e-9 erg/cm^2/s
kT2.61±0.51keV
rad9.8± 3.6km/d_10kpc
bfluen0.3882±0.04901e-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 12, 2026, at 07:03 PM