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0251

4U 1728-34

MJD 51262.45718 — 1999 Mar 25 10:58:20.5 — WFC 1 — obs 6697 — (313/1173)

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 Mar 25 6:41:54.5 > 1999 Mar 25 16:14:47.5

⚠ (: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/0251_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) (1452)

Table parameters

parametervalueunit
instrWFC 1 
obsid6697 
time51262.45718MJD UT
calendar date1999 Mar 25 10:58:20.5UT
entry_obs5970 
bnum5 
xref- 
mult1 
angle708.71arcmin
vigcorr0.422 
sflag- 
rexp1.84 
rise1.30s
tau6.2± 2.8s
dur23.1± 6.9s
edt7.5± 1.8s
tdel4.3h
trec-h
perflx2.102± 0.7221e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0507 
sc0.733 
hc0.829 
s_z0.991 
pflux4.11± 0.84count/cm^2/s
fluen28.730± 8.311count/cm^2
bpflux107.90± 44.601e-9 erg/cm^2/s
kT3.82±0.75keV
rad6.3± 1.9km/d_10kpc
bfluen0.5381±0.11151e-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 21, 2026, at 09:32 AM