Emission-line and continuum reverberation mapping of the NLS1 galaxy WPVS 48

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Table 9.

Virial products based on reverberation mapping.

Width	Hα	Hβ	Hγ	He Iλ5876	mean
FWHM	$7 . 3_{- 1.6}^{+ 2.9}$ $7.3_{-1.6}^{+2.9}$	$6 . 9_{- 2.9}^{+ 5.8}$ $6.9_{-2.9}^{+5.8}$	$9 . 0_{- 3.6}^{+ 5.8}$ $9.0_{-3.6}^{+5.8}$	$6 . 7_{- 2.3}^{+ 3.2}$ $6.7_{-2.3}^{+3.2}$	$7 . 3_{- 2.5}^{+ 5.7}$ $7.3_{-2.5}^{+5.7}$
σ_line	$1 . 9_{- 0.5}^{+ 0.8}$ $1.9_{-0.5}^{+0.8}$	$1 . 6_{- 0.5}^{+ 1.0}$ $1.6_{-0.5}^{+1.0}$	$2 . 5_{- 0.8}^{+ 1.2}$ $2.5_{-0.8}^{+1.2}$	$3 . 0_{- 0.7}^{+ 0.9}$ $3.0_{-0.7}^{+0.9}$	$2 . 0_{- 0.9}^{+ 1.7}$ $2.0_{-0.9}^{+1.7}$

Notes. The virial products c τ Δv² G⁻¹ are given in units of 10⁶ M_⊙. The estimates employ both the FWHM and σ_line of the respective line and the lag τ_cent between line emission and the continuum emission at 5100 Å. Derived masses are discussed in Sect. 4.3.

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