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2574

4U 1728-34

MJD 51443.01361 — 1999 Sep 22 0:19:36.2 — PCA — obs 40019-03-01-00 — (366/1173)

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 21 15:55:51.2 > 1999 Sep 22 5:14:11.1

⚠ (: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/2574_lc.csv", { showRoller: true, rollPeriod: 5, errorBars: true, ylabel: "PCA 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: Galloway et al., (2003), in 't Zand et al., (2017)

Table parameters

parametervalueunit
instrPCA 
obsid40019-03-01-00 
time51443.01361MJD UT
calendar date1999 Sep 22 0:19:36.2UT
entry_obs16276 
bnum1 
xref69 
mult1 
angle0.10arcmin
vigcorr0.999 
sflag- 
rexp2.00 
rise1.00s
tau6.4± 0.2s
dur18.2± 1.0s
edt5.6± 0.1s
tdel8.4h
trec-h
perflx2.845± 0.0141e-9 erg/cm^2/s
alpha- 
bc1.451±0.015 
gamma0.0672 
sc0.752 
hc0.609 
s_z1.691 
pflux4.04± 0.03count/cm^2/s
fluen36.526± 0.332count/cm^2
bpflux89.40± 2.721e-9 erg/cm^2/s
kT2.74±0.05keV
rad12.1± 0.3km/d_10kpc
bfluen0.5725±0.00371e-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 10:38 PM