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2549

4U 1728-34

MJD 51359.82655 — 1999 Jun 30 19:50:14.2 — PCA — obs 40027-08-01-01 — (334/1173)

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 Apr 11 4:11:30.8 > 1999 Jul 10 10:07:29.1

⚠ (: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/2549_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: in 't Zand et al., (2017) (3790)

Table parameters

parametervalueunit
instrPCA 
obsid40027-08-01-01 
time51359.82655MJD UT
calendar date1999 Jun 30 19:50:14.2UT
entry_obs16081 
bnum1 
xref62 
mult1 
angle0.50arcmin
vigcorr0.992 
sflag- 
rexp2.00 
rise2.00s
tau7.0± 0.2s
dur20.7± 1.0s
edt5.3± 0.0s
tdel1935.6h
trec-h
perflx2.671± 0.0071e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0622 
sc0.689 
hc0.678 
s_z1.474 
pflux4.28± 0.03count/cm^2/s
fluen35.353± 0.217count/cm^2
bpflux95.64± 3.181e-9 erg/cm^2/s
kT3.01±0.05keV
rad10.4± 0.3km/d_10kpc
bfluen0.6686±0.00491e-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 18, 2026, at 03:19 AM