LEDA 790793

Observation

Spectrum ID	99454792_sp1
Alt name	g1345279-242136
z	0.0776
RA, Dec	206.3662, -24.3600
MJD	60402.64
SNR/Å B/R	17.4/25.6
Obs Airmass	1.01
SMSS ID	99454792
Closest SMSS	None (< 15")
SMSS Mean r_6"ap	15.9 ± 0.0
2MASS K_ext	12.1 ± 0.1

AGN Properties

Spectrum Type	SF
Quality Flag	good
AGN reference	6dFGS
MW E(B−V)	0.062
Power law α_ν	-0.40 ± 0.11
log L_5100,AGN	43.45 ± 0.02
log Hβ_Br/[O III]	—
log M_L5100/M_☉	—
log M_Hα/M_☉	—
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	—	—	—	—
Hγ Broad	—	—	—	—
[O III] 4364	39.59 ± 0.41	335 ± 62	141 ± 25	0.56 ± 0.42
He II Narrow	39.72 ± 0.31	335 ± 62	141 ± 25	0.84 ± 0.40
He II Broad	41.57 ± 0.06	17660 ± 62	7500 ± 25	59.04 ± 3.33
Hβ Narrow	—	—	—	—
Hβ Broad	—	—	—	—
[O III] 5007	41.19 ± 0.03	365 ± 63	385 ± 35	27.48 ± 0.97
He I Narrow	39.50 ± 0.38	335 ± 62	141 ± 25	0.72 ± 0.37
He I Broad	—	—	—	—
[O I] 6300	39.64 ± 0.25	335 ± 62	141 ± 25	1.11 ± 0.39
Hα Narrow	40.56 ± 0.04	335 ± 62	141 ± 25	9.91 ± 0.46
Hα Broad	—	—	—	—
[N II] 6585	40.96 ± 0.01	335 ± 62	141 ± 25	25.04 ± 0.47
[S II] 6718	40.63 ± 0.04	335 ± 62	141 ± 25	12.06 ± 0.61
[S II] 6732	40.63 ± 0.03	335 ± 62	141 ± 25	12.12 ± 0.61

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	0.23
Hβ Broad SNR	0.00
Hγ Broad SNR	0.00
AGN frac	0.33
Host frac	0.67
log L_5100,Host	43.77
Fe II/Hβ	—
Fe II/[O III]	0.75

Quality flags

`spurious_hab/hbb`	0.0/0
`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.