Burst-recurrence properties revealed with Insight-HXMT and NICER for the newly discovered accreting millisecond pulsar MAXI J1816–195

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Volume 689 (September 2024)

A&A, 689 (2024) A47

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Table 2

Parameters of bursts observed by both LE and ME.

Time MJD	Fluence (10⁻⁸ erg/cm²)	Persistent flux (10⁻⁹ erg/cm²/s)	Persistent luminosity (L_Edd)	Burst recurrence time (h)	α
59738.788469	${96.6}_{- 1.1}^{+ 1.2}$ $\[96.6_{-1.1}^{+1.2}\]$	${11.2}_{- 0.1}^{+ 0.1}$ $\[11.2_{-0.1}^{+0.1}\]$	0.139	1.50	${62.2}_{- 0.9}^{+ 1.1}$ $\[62.2_{-0.9}^{+1.1}\]$
59739.978686	${100.9}_{- 1.1}^{+ 1.1}$ $\[100.9_{-1.1}^{+1.1}\]$	${13.3}_{- 0.3}^{+ 0.3}$ $\[13.3_{-0.3}^{+0.3}\]$	0.166	1.31	${62.5}_{- 1.7}^{+ 1.7}$ $\[62.5_{-1.7}^{+1.7}\]$
59740.837415	${94.5}_{- 1.1}^{+ 1.1}$ $\[94.5_{-1.1}^{+1.1}\]$	${12.8}_{- 0.1}^{+ 0.2}$ $\[12.8_{-0.1}^{+0.2}\]$	0.159	1.26	${61.4}_{- 1.0}^{+ 1.1}$ $\[61.4_{-1.0}^{+1.1}\]$
59744.092169	${101.6}_{- 1.0}^{+ 1.0}$ $\[101.6_{-1.0}^{+1.0}\]$	${10.4}_{- 0.0}^{+ 0.0}$ $\[10.4_{-0.0}^{+0.0}\]$	0.130	1.55	${56.9}_{- 0.6}^{+ 0.6}$ $\[56.9_{-0.6}^{+0.6}\]$
59744.158801	${97.5}_{- 1.0}^{+ 1.0}$ $\[97.5_{-1.0}^{+1.0}\]$	${10.2}_{- 0.2}^{+ 0.0}$ $\[10.2_{-0.2}^{+0.0}\]$	0.127	1.60	${60.2}_{- 1.3}^{+ 1.3}$ $\[60.2_{-1.3}^{+1.3}\]$

Notes. The Fluence of bursts are obtained by Chen et al. (2022). The persistent luminosity are given by dividing the persistent flux by the observed maximum burst peak flux, assuming that the maximum burst peak reaches the Eddington luminosity.

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