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2561

4U 1728-34

MJD 51409.39847 — 1999 Aug 19 9:33:48.2 — PCA — obs 40019-03-02-00 — (341/1173)

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 12 17:30:43.8 > 1999 Aug 19 12:09:22.1

⚠ (: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/2561_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 
obsid40019-03-02-00 
time51409.39847MJD UT
calendar date1999 Aug 19 9:33:48.2UT
entry_obs16165 
bnum1 
xref64 
mult1 
angle0.20arcmin
vigcorr0.997 
sflagd 
rexp1.00 
rise3.00s
tau7.8± 0.3s
dur22.5± 1.1s
edt5.7± 0.1s
tdel160.1h
trec-h
perflx6.381± 0.0661e-9 erg/cm^2/s
alpha- 
bc1.424±0.019 
gamma0.1479 
sc0.792 
hc0.506 
s_z2.596 
pflux2.28± 0.02count/cm^2/s
fluen18.835± 0.196count/cm^2
bpflux44.64± 1.491e-9 erg/cm^2/s
kT2.49±0.05keV
rad10.4± 0.4km/d_10kpc
bfluen0.3462±0.00451e-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 15, 2026, at 04:48 PM