New insight into the variability of the Be star π Aquarii: Determination of stellar and disk parameters

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Volume 697 (May 2025)

A&A, 697 (2025) A209

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Table 5

Stellar parameters obtained through the application of the EMCEE code.

Line	Date	M (M_⊙)	R_eq/R_p	R_p (R_⊙)	log L_p (L_⊙)	log g_p	v (km/s)	T_p (K)	β_GD	E(B − V)	plx
Hα	2001-12-22	${12.23}_{- 1.12}^{+ 0.97}$ $\[12.23_{-1.12}^{+0.97}\]$	${1.28}_{- 0.05}^{+ 0.05}$ $\[1.28_{-0.05}^{+0.05}\]$	${6.67}_{- 0.46}^{+ 0.41}$ $\[6.67_{-0.46}^{+0.41}\]$	${4.24}_{- 0.15}^{+ 0.12}$ $\[4.24_{-0.15}^{+0.12}\]$	${3.88}_{- 0.01}^{+ 0.02}$ $\[3.88_{-0.01}^{+0.02}\]$	${391.99}_{- 24.79}^{+ 19.76}$ $\[391.99_{-24.79}^{+19.76}\]$	$26343_{- 1379}^{+ 999}$ $\[26343_{-1379}^{+999}\]$	${0.18}_{- 0.01}^{+ 0.01}$ $\[0.18_{-0.01}^{+0.01}\]$
Hα	2011-10-03	${14.59}_{- 0.03}^{+ 0.01}$ $\[14.59_{-0.03}^{+0.01}\]$	${1.1}_{- 0.01}^{+ 0.01}$ $\[1.1_{-0.01}^{+0.01}\]$	${7.67}_{- 0.01}^{+ 0.01}$ $\[7.67_{-0.01}^{+0.01}\]$	${4.5}_{- 0.01}^{+ 0.01}$ $\[4.5_{-0.01}^{+0.01}\]$	${3.83}_{- 0.0}^{+ 0.01}$ $\[3.83_{-0.0}^{+0.01}\]$	${258.54}_{- 1.35}^{+ 2.67}$ $\[258.54_{-1.35}^{+2.67}\]$	$28071_{- 26}^{+ 14}$ $\[28071_{-26}^{+14}\]$	${0.22}_{- 0.01}^{+ 0.01}$ $\[0.22_{-0.01}^{+0.01}\]$
Hα	2014-10-29	${14.49}_{- 0.3}^{+ 0.09}$ $\[14.49_{-0.3}^{+0.09}\]$	${1.19}_{- 0.07}^{+ 0.01}$ $\[1.19_{-0.07}^{+0.01}\]$	${7.54}_{- 0.06}^{+ 0.04}$ $\[7.54_{-0.06}^{+0.04}\]$	${4.48}_{- 0.02}^{+ 0.01}$ $\[4.48_{-0.02}^{+0.01}\]$	${3.84}_{- 0.01}^{+ 0.01}$ $\[3.84_{-0.01}^{+0.01}\]$	${341.34}_{- 62.57}^{+ 7.2}$ $\[341.34_{-62.57}^{+7.2}\]$	$28081_{- 291}^{+ 94}$ $\[28081_{-291}^{+94}\]$	${0.20}_{- 0.01}^{+ 0.02}$ $\[0.20_{-0.01}^{+0.02}\]$
Hα	2018-10-09	${14.6}_{- 0.01}^{+ 0.01}$ $\[14.6_{-0.01}^{+0.01}\]$	${1.1}_{- 0.01}^{+ 0.01}$ $\[1.1_{-0.01}^{+0.01}\]$	${7.68}_{- 0.01}^{+ 0.01}$ $\[7.68_{-0.01}^{+0.01}\]$	${4.5}_{- 0.01}^{+ 0.01}$ $\[4.5_{-0.01}^{+0.01}\]$	${3.83}_{- 0.01}^{+ 0.01}$ $\[3.83_{-0.01}^{+0.01}\]$	${257.53}_{- 0.54}^{+ 1.09}$ $\[257.53_{-0.54}^{+1.09}\]$	$28082_{- 5}^{+ 2}$ $\[28082_{-5}^{+2}\]$	${0.22}_{- 0.01}^{+ 0.01}$ $\[0.22_{-0.01}^{+0.01}\]$
Hα	2022-11-25	${13.19}_{- 0.02}^{+ 0.02}$ $\[13.19_{-0.02}^{+0.02}\]$	${1.2}_{- 0.01}^{+ 0.01}$ $\[1.2_{-0.01}^{+0.01}\]$	${7.02}_{- 0.01}^{+ 0.01}$ $\[7.02_{-0.01}^{+0.01}\]$	${4.35}_{- 0.01}^{+ 0.01}$ $\[4.35_{-0.01}^{+0.01}\]$	${3.87}_{- 0.01}^{+ 0.01}$ $\[3.87_{-0.01}^{+0.01}\]$	${345.54}_{- 0.21}^{+ 0.12}$ $\[345.54_{-0.21}^{+0.12}\]$	$26988_{- 15}^{+ 13}$ $\[26988_{-15}^{+13}\]$	${0.20}_{- 0.01}^{+ 0.01}$ $\[0.20_{-0.01}^{+0.01}\]$
SED		${13.84}_{- 0.33}^{+ 0.23}$ $\[13.84_{-0.33}^{+0.23}\]$	${1.11}_{- 0.01}^{+ 0.02}$ $\[1.11_{-0.01}^{+0.02}\]$	${7.35}_{- 0.13}^{+ 0.1}$ $\[7.35_{-0.13}^{+0.1}\]$	${4.42}_{- 0.03}^{+ 0.02}$ $\[4.42_{-0.03}^{+0.02}\]$	${3.85}_{- 0.01}^{+ 0.01}$ $\[3.85_{-0.01}^{+0.01}\]$	${267.96}_{- 8.74}^{+ 20.37}$ $\[267.96_{-8.74}^{+20.37}\]$	$27481_{- 295}^{+ 159}$ $\[27481_{-295}^{+159}\]$	${0.22}_{- 0.01}^{+ 0.01}$ $\[0.22_{-0.01}^{+0.01}\]$	${0.15}_{- 0.01}^{+ 0.01}$ $\[0.15_{-0.01}^{+0.01}\]$	${2.58}_{- 0.02}^{+ 0.05}$ $\[2.58_{-0.02}^{+0.05}\]$

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