M94 as a Unique Testbed for Black Hole Mass Estimates and AGN Activity at Low Luminosities

Table 1

Broad H𝛼 emission measurements.

Quantity	Value	Notes
𝑓blend	0.80	Fraction of broad H𝛼 to; H𝛼+[NII] blend.
𝑓H𝛼	0.93	Fraction of broad H𝛼 to total H𝛼
FWHM(H𝛼^broad)	1570	±110; in kms^−1
Δv	140	±20; in kms^−1; broad relative to; narrow H𝛼
log𝐹(H𝛼^broad)	−13.38	Observed flux (ergs^−1cm^−2)
log𝐿(H𝛼^broad)	37.96	Observed luminosity (ergs^−1)^a

^aassumingdistance𝑑=4.3Mpc.