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0270

4U 1728-34

MJD 51401.77379 — 1999 Aug 11 18:34:15.8 — WFC 2 — obs 7368 — (336/1173)

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 Jul 10 10:07:29.1 > 1999 Aug 11 22:00:11.9

⚠ (: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/0270_lc.csv", { showRoller: true, rollPeriod: 5, errorBars: true, ylabel: "WFC 2 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) (1585)

Table parameters

parametervalueunit
instrWFC 2 
obsid7368 
time51401.77379MJD UT
calendar date1999 Aug 11 18:34:15.8UT
entry_obs5977 
bnum1 
xref- 
mult1 
angle1203.10arcmin
vigcorr0.082 
sflag- 
rexp1.88 
rise3.50s
tau4.9± 3.1s
dur7.6± 4.1s
edt2.4± 1.2s
tdel776.4h
trec-h
perflx2.807± 1.0661e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0676 
sc0.790 
hc0.947 
s_z0.944 
pflux4.16± 1.86count/cm^2/s
fluen18.288± 8.076count/cm^2
bpflux270.91±141.171e-9 erg/cm^2/s
kT4.38±1.00keV
rad5.7± 1.8km/d_10kpc
bfluen0.9993±0.52071e-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 17, 2026, at 11:55 PM