Evidence of heavy-element ashes in thermonuclear X-ray bursts with photospheric superexpansion

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Volume 520 (September-October 2010)

A&A, 520 (2010) A81

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Table 1:

Measurements of 32 bursts with superexpansion.
	Duration (s) $^{\diamond}$
Instr./MJD		Super	Moderate		Ref. $^{\ddag }$
	Precursor	expansion	expansion	$\tau _{{\rm decay}}$ $^{\P}$
	phase	phase $t_{\rm se}$	phase $t_{\rm me}$
4U 0614+09
RXTE/51944.903	0.05	1.2	100	40(2)	1
A 1246-588
WFC/50286.290	3.0	1.5	54	38(5)	2
WFC/51539.874	1.5	6.0	25	19(1)	2
4U 1708-23 (probably)
SAS-C/43181.834	4.2	6.0	304	300(50)	3,4
XB 1715-321
SAS-C/42957.620	2.4	1.5	36	30 $^{\Delta}$	3
Hakucho/45170.231	3	4.0	105	85(5)	5
4U 1722-30
WFC/50318.279	4.0	2.0	16	18(3)	6
WFC/50330.196	2.0	5.0	20	16(6)	6
WFC/50348.938	3.0	3.0	15	16(5)	6
WFC/50368.307	2.0	5.0	14	19(3)	6
WFC/50526.311	1.0	4.0	15	21(6)	6
WFC/50536.895	2.5	3.5	11	9(3)	6
WFC/50538.439	3.0	1.0	15	19(6)	6
WFC/50553.130	2.5	1.5	17	12(2)	6
WFC/50892.706	3.0	2.5	18	15(2)	6
WFC/50904.813	2.5	4.0	21	19(3)	6
WFC/51057.579	1.5	3.0	22	19(4)	6
WFC/51231.379	2.0	5.0	17	26(11)	6
WFC/51270.560	2.0	5.5	25	14(2)	6
WFC/51278.690	2.5	2.5	15	13(1)	6
WFC/51422.838	2.0	6.5	22	28(5)	6
WFC/51431.282	4.0	5.0	27	26(5)	6
WFC/51453.377	1.5	5.5	20	24(6)	6
WFC/51461.331	4.0	3.5	19	23(4)	6
WFC/51610.000	3.0	3.5	20	17(3)	6
WFC/51639.966	1.5	5.0	32	23(5)	6
WFC/51956.091	2.0	3.5	41	29(10)	6
RXTE/50395.292	3.6	1.6	23	30.2(0.1)	7
SLX 1735-269
I'GRAL/52897.733	2.0	7.0	482	600(100)	8
4U 1820-30
RXTE/51430.074 $^{\times}$	15.0	2.3	1400	2500	9
M15 X-2
Ginga/47454.730	1.5	5.5	88	60	10
WFC/51871.593	1.5	7.5	169	155(11)

Notes. $^{(\diamond)}$ See Fig. 4 for a plot of $t_{\rm se}$ and $t_{\rm me}$ vs. $\tau _{{\rm decay}}$ . $^{(\P)}$ Numbers in parentheses represent 1 $\sigma$ uncertainties; $^{(\ddag )}$ 1 - Kuulkers et al. (2010), 2 -in 't Zand et al. (2008), 3 - Hoffman et al. (1978), 4 - Lewin et al. (1984), 5 - Tawara et al. (1984b), 6 - Kuulkers et al. (2003), 7 - Molkov et al. (2000), 8 - Molkov et al. (2005), 9 - Strohmayer & Brown (2002), 10 - van Paradijs et al. (1990); $^{(\Delta)}$ this number is rather uncertain due to incomplete coverage of the burst; $^{(\times)}$ superburst.

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