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0254

4U 1728-34

MJD 51270.68722 — 1999 Apr 2 16:29:36.0 — WFC 1 — obs 6767 — (318/1173)

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 2 8:47:09.9 > 1999 Apr 2 20:10:26.9

⚠ (: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/0254_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) (1467)

Table parameters

parametervalueunit
instrWFC 1 
obsid6767 
time51270.68722MJD UT
calendar date1999 Apr 2 16:29:36.0UT
entry_obs5971 
bnum9 
xref- 
mult1 
angle341.54arcmin
vigcorr0.658 
sflag- 
rexp1.90 
rise2.50s
tau5.9± 1.4s
dur11.5± 3.0s
edt3.5± 0.7s
tdel7.7h
trec-h
perflx2.738± 0.7801e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0640 
sc0.949 
hc0.817 
s_z0.957 
pflux4.41± 0.55count/cm^2/s
fluen26.445± 3.575count/cm^2
bpflux98.44± 21.031e-9 erg/cm^2/s
kT3.22±0.36keV
rad9.1± 1.6km/d_10kpc
bfluen0.5466±0.06001e-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 01:33 AM