Revised spin for the black hole in GRS 1716-249 given a new distance determination

Home

All issues

Volume 691 (November 2024)

A&A, 691 (2024) A192

Full HTML

Open Access

Table 4.

Joint fitting parameters of Insight-HXMT and NuSTAR with M2 (constant*tbabs*(kerrbb2+relxill)).

	`M2A` (D = 2.4 kpc)		`M2B` (D = 6.9 kpc)
Parameter	Dataset 1	Dataset 2	Dataset 1	Dataset 2
	`TBABS`
$N_{H}^{★}$ $N_{\mathrm{H}}^{\bigstar}$	$0 . 721_{- 0.014}^{+ 0.008}$ $0.721_{-0.014}^{+0.008}$		$0 . 695_{- 0.011}^{+ 0.009}$ $0.695_{-0.011}^{+0.009}$
	`KERRBB2`
Ṁ	$15 . 4_{- 0.5}^{+ 0.4}$ $15.4_{-0.5}^{+0.4}$	$12 . 2_{- 0.4}^{+ 0.3}$ $12.2_{-0.4}^{+0.3}$	$258_{- 8}^{+ 5}$ $258_{-8}^{+5}$	$208_{- 7}^{+ 4}$ $208_{-7}^{+4}$
	`RELXILL`
q_in	> 8.2	> 9.3	$5 . 2_{- 0.8}^{+ 0.7}$ $5.2_{-0.8}^{+0.7}$	$9 . 5_{- 2.2}^{+ 0.4}$ $9.5_{-2.2}^{+0.4}$
R_b	$1 . 46_{- 0.03}^{+ 0.04}$ $1.46^{+0.04}_{-0.03}$	1.53 ± 0.04	$32 . 3_{- 24.7}^{+ 61.6}$ $32.3^{+61.6}_{-24.7}$	$7 . 2_{- 4.0}^{+ 50.4}$ $7.2^{+50.4}_{-4.0}$
a_*^★	$0 . 972_{- 0.005}^{+ 0.004}$ $0.972_{-0.005}^{+0.004}$		$0 . 464_{- 0.007}^{+ 0.016}$ $0.464_{-0.007}^{+0.016}$
i^★	$38 . 8_{- 0.6}^{+ 1.6}$ $38.8_{-0.6}^{+1.6}$		$43 . 8_{- 0.8}^{+ 0.5}$ $43.8_{-0.8}^{+0.5}$
Γ	$1 . 89_{- 0.02}^{+ 0.03}$ $1.89_{-0.02}^{+0.03}$	$1 . 875_{- 0.006}^{+ 0.008}$ $1.875_{-0.006}^{+0.008}$	$1 . 951_{- 0.008}^{+ 0.006}$ $1.951_{-0.008}^{+0.006}$	$1 . 899_{- 0.006}^{+ 0.005}$ $1.899_{-0.006}^{+0.005}$
log ξ	$4 . 14_{- 0.06}^{+ 0.04}$ $4.14_{-0.06}^{+0.04}$	$3 . 91_{- 0.06}^{+ 0.03}$ $3.91_{-0.06}^{+0.03}$	$3 . 90_{- 0.06}^{+ 0.05}$ $3.90_{-0.06}^{+0.05}$	$3 . 81_{- 0.05}^{+ 0.03}$ $3.81_{-0.05}^{+0.03}$
$A_{Fe}^{★}$ $A_{\mathrm{Fe}}^{\bigstar}$	> 9.3		$5 . 0_{- 0.3}^{+ 0.4}$ $5.0_{-0.3}^{+0.4}$
E_cut	> 826.2	$673 . 9_{- 102.2}^{+ 86.9}$ $673.9_{-102.2}^{+86.9}$	> 854.0	> 904.1
R_f	$0 . 65_{- 0.15}^{+ 0.12}$ $0.65_{-0.15}^{+0.12}$	$0 . 41_{- 0.04}^{+ 0.03}$ $0.41_{-0.04}^{+0.03}$	0.44 ± 0.04	0.36 ± 0.02
norm	$6 . 3_{- 0.6}^{+ 0.7}$ $6.3_{-0.6}^{+0.7}$	$7 . 5_{- 0.2}^{+ 0.3}$ $7.5_{-0.2}^{+0.3}$	$7 . 5_{- 0.3}^{+ 0.2}$ $7.5_{-0.3}^{+0.2}$	7.9 ± 0.2

Flux	1.12	1.00	1.11	0.98

χ²/dof	6372.2/6358 = 1.002		6406.9/6358 = 1.008

Notes. All errors are quoted at the 90% confidence level. The probability distributions of parameters for M2A and M2B obtained from dataset 1 through MCMC are presented in Figs. B.2 and B.3, respectively.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.