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2475

4U 1728-34

MJD 51202.35828 — 1999 Jan 24 8:35:55.1 — PCA — obs 40033-06-02-02 — (276/1173)

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 Jan 23 23:49:02.2 > 1999 Jan 26 0:01:40.1

⚠ (: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/2475_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 
obsid40033-06-02-02 
time51202.35828MJD UT
calendar date1999 Jan 24 8:35:55.1UT
entry_obs15777 
bnum1 
xref47 
mult1 
angle0.30arcmin
vigcorr0.995 
sflagd 
rexp3.00 
rise2.00s
tau5.9± 0.2s
dur18.9± 1.0s
edt5.0± 0.1s
tdel8.8h
trec-h
perflx3.958± 0.0221e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0922 
sc0.701 
hc0.726 
s_z1.299 
pflux3.70± 0.03count/cm^2/s
fluen28.057± 0.197count/cm^2
bpflux89.14± 2.881e-9 erg/cm^2/s
kT3.14±0.05keV
rad9.3± 0.2km/d_10kpc
bfluen0.5221±0.00381e-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 23, 2026, at 09:38 PM