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0121

4U 1728-34

MJD 50545.26475 — 1997 Apr 7 6:21:14.0 — WFC 1 — obs 1848 — (129/1173)

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: < 1997 Apr 1 8:33:11.7 > 1997 Apr 13 12:58:01.3

⚠ (: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/0121_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) (530)

Table parameters

parametervalueunit
instrWFC 1 
obsid1848 
time50545.26475MJD UT
calendar date1997 Apr 7 6:21:14.0UT
entry_obs5909 
bnum2 
xref- 
mult1 
angle955.53arcmin
vigcorr0.204 
sflag- 
rexp1.91 
rise1.00s
tau3.5± 1.3s
dur9.5± 3.6s
edt3.1± 1.0s
tdel141.8h
trec-h
perflx2.999± 1.1231e-9 erg/cm^2/s
alpha- 
bc- 
gamma0.0748 
sc0.721 
hc0.806 
s_z1.064 
pflux4.25± 1.00count/cm^2/s
fluen16.491± 4.876count/cm^2
bpflux106.32± 31.961e-9 erg/cm^2/s
kT2.63±0.44keV
rad12.3± 3.4km/d_10kpc
bfluen0.3312±0.08281e-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 May 09, 2026, at 07:42 PM