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Table 1

Specifications of all detected bursts detected during the long low state (# 1−12) and 2 bursts that have the smallest hard color value in the RXTE archive (# A, B; see Fig. 4).

Id. Instr. Date Time MJD RXTE OBSID PCUs SC HC Fluence Decay Pers. flux4 EED5
(10-7 erg cm-2) time3 (10-9 erg (s)
(UT) meas.1 extrap.2 (s) cm-2s-1)

1 PCA Apr. 27, 2009 19:42:36 54 948.82125 94090-01-01-02 2 1.92 1.08 3.2(2) 4.1 3.3(2) 4.01(3) 0.70
2 PCA Apr. 29, 2009 16:52:04 54 950.70283 94090-01-01-05 1,2 1.96 1.14 3.3(2) 4.3 3.4(1) 3.93(3) 0.90
3 PCA May 05, 2009 18:35:37 54 956.77474 94090-01-02-03 2,4 2.05 1.19 3.4(2) 4.5 3.2(1) 4.11(3) 0.90
4 PCA&BAT May 07, 2009 17:45:34 54 958.73999 94090-01-02-02 2 2.04 1.20 3.4(2) 4.3 3.4(2) 4.04(3) 1.30
5 PCA May 27, 2009 07:42:57 54 978.32149 94090-01-04-00 2 2.08 1.24 3.5(2) 5.0 3.7(2) 4.75(4) 1.68
6 PCA May 27, 2009 11:52:39 54 978.49490 94090-01-04-01 2 2.03 1.25 3.6(2) 5.2 3.6(2) 4.81(4) 1.55
7 PCA May 30, 2009 04:29:42 54 981.18730 94090-01-05-00 0,2,4 2.12 1.24 3.6(1) 4.6 3.5(1) 5.00(2) 1.40
8 BAT May 31, 2009 21:38:16 54 982.90157
9 BAT Jun. 06, 2009 09:28:19 54 988.39465
10 XRT&BAT Jun. 06, 2009 12:43:37 54 988.53029
11 PCA Jun. 12, 2009 12:49:14 54 994.53420 94090-02-01-00 2 1.92 1.12 3.2(2) 4.2 3.1(2) 6.73(4) 0.59
12 PCA Jun. 12, 2009 14:42:45 54 994.61303 94090-02-01-00 1,2 1.95 1.09 3.2(1) 3.6 3.5(1) 6.73(4) 0.41

A PCA Sep. 29, 2004 10:29:03 53 277.43685 90027-01-03-05 0,2,3,4 1.74 0.97 3.5(2) 4.6 3.2(1) 4.28(2) 0.61
B PCA Mar. 06, 2011 18:32:11 55 626.77236 96090-01-01-020 1,2 1.74 0.92 2.4(2) 2.9 2.7(2) 4.90(2) 0.10

Notes. Numbers between parentheses refer to the uncertainty in the last digits.

(1)

This is the fluence as measured under the exponential decay fitted to the time profile of the bolometric flux after the peak, plus the peak flux times the time interval between the peak flux and the start of the precursor;

(2)

this is the fluence as measured under the exponential decay of the bolometric flux, backwards extrapolated to the start of the precursor;

(3)

the e-folding decay time as determined from the bolometric flux time history from the peak value on;

(4)

2 − 60 keV flux from fit with comptonized model to all data from the relevant observation;

(5)

superexpansion equivalent duration (see text).

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