ESO 116-10

Observation

Spectrum ID	499865795_sp1
Alt name	4727308947514100736
z	0.0823
RA, Dec	47.5442, -57.5116
MJD	60872.74
SNR/Å B/R	5.5/13.4
Obs Airmass	1.44
SMSS ID	499865795
Closest SMSS	12.73'', 499865794
SMSS Mean r_6"ap	16.3 ± 0.2
2MASS K_ext	13.1 ± 0.1

AGN Properties

Spectrum Type	Sy 1.5+
Quality Flag	good
AGN reference	AllBRICQS2
MW E(B−V)	0.018
Power law α_ν	0.31 ± 0.05
log L_5100,AGN	43.19 ± 0.04
log Hβ_Br/[O III]	<-0.13
log M_L5100/M_☉	—
log M_Hα/M_☉	9.21 ± 0.01
log M_Hβ/M_☉	—
log M_{[O III]}/M_☉	—

Spatial extraction & sky subtraction region

Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)

Spectrum decomposition

Emission line measurements

Line	log L (erg s⁻¹)	FWHM (km s⁻¹)	σ (km s⁻¹)	EW (Å)
Hγ Narrow	40.18 ± 0.25	460 ± 64	375 ± 31	3.42 ± 2.42
Hγ Broad	—	—	—	—
[O III] 4364	—	—	—	—
He II Narrow	40.17 ± 0.19	396 ± 62	166 ± 25	3.98 ± 1.34
He II Broad	—	—	—	—
Hβ Narrow	39.94 ± 0.32	460 ± 64	375 ± 31	2.52 ± 2.37
Hβ Broad	<41.13	—	—	—
[O III] 5007	41.26 ± 0.03	460 ± 64	375 ± 31	57.47 ± 2.95
He I Narrow	—	—	—	—
He I Broad	—	—	—	—
[O I] 6300	40.30 ± 0.08	396 ± 62	166 ± 25	10.63 ± 1.39
Hα Narrow	40.78 ± 0.04	396 ± 62	166 ± 25	35.33 ± 1.85
Hα Broad	42.30 ± 0.01	18114 ± 134	6021 ± 26	1176.59 ± 10.47
[N II] 6585	40.65 ± 0.04	396 ± 62	166 ± 25	26.14 ± 1.59
[S II] 6718	40.50 ± 0.06	396 ± 62	166 ± 25	19.42 ± 1.90
[S II] 6732	40.40 ± 0.08	396 ± 62	166 ± 25	15.38 ± 1.90

All narrow line widths are tied to narrow [O III] 5007Å. [O III] 5007Å and narrow Hβ include a second narrow component not tied to other narrow lines.

Emission summary

Hα Broad SNR	2.94
Hβ Broad SNR	0.00
Hγ Broad SNR	0.00
AGN frac	0.34
Host frac	0.66
log L_5100,Host	43.48
Fe II/Hβ	—
Fe II/[O III]	—

Quality flags

`spurious_hab/hbb`	0.0/1
`l5100`	1
`balmer`	2
`balmer_snr`	2
`hb_width`	2
`balmer_width`	2

Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.