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0421

4U 1728-34

MJD 51989.44876 — 2001 Mar 21 10:46:12.8 — WFC 1 — obs 10927 — (523/1173)

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: < 2001 Mar 3 8:16:37.1 > 2001 Mar 21 17:20:09.7

⚠ (: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/0421_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) (2559)

Table parameters

parametervalueunit
instrWFC 1 
obsid10927 
time51989.44876MJD UT
calendar date2001 Mar 21 10:46:12.8UT
entry_obs6068 
bnum3 
xref- 
mult1 
angle341.52arcmin
vigcorr0.658 
sflag- 
rexp1.86 
rise2.30s
tau5.2± 1.0s
dur14.4± 2.5s
edt4.2± 0.6s
tdel434.5h
trec-h
perflx1.871± 0.5941e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0444 
sc0.778 
hc0.922 
s_z0.946 
pflux4.54± 0.51count/cm^2/s
fluen28.594± 3.771count/cm^2
bpflux102.63± 16.651e-9 erg/cm^2/s
kT2.96±0.29keV
rad10.3± 1.6km/d_10kpc
bfluen0.5099±0.04811e-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 11, 2026, at 04:26 PM