3589570598974579328

Observation

Spectrum ID	93151654_sp1
Alt name	3589570598974579328
z	0.0211
RA, Dec	172.3877, -10.7042
MJD	60680.71
SNR/Å B/R	9.8/11.6
Obs Airmass	1.14
SMSS ID	93151654
Closest SMSS	None (< 15")
SMSS Mean r_6"ap	15.3 ± 0.0
2MASS K_ext	nan ± nan

AGN Properties

Spectrum Type	Sy 2
Quality Flag	good
AGN reference	AllBRICQS2
MW E(B−V)	0.033
Power law α_ν	0.48 ± 0.02
log L_5100,AGN	43.33 ± 0.01
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	39.45 ± 0.31	203 ± 63	93 ± 26	0.45 ± 0.21
Hγ Broad	—	—	—	—
[O III] 4364	39.29 ± 0.35	194 ± 63	82 ± 25	0.32 ± 0.19
He II Narrow	39.24 ± 0.33	194 ± 63	82 ± 25	0.34 ± 0.18
He II Broad	40.45 ± 0.15	6915 ± 76	2936 ± 31	5.45 ± 1.04
Hβ Narrow	40.26 ± 0.04	203 ± 63	93 ± 26	3.87 ± 0.21
Hβ Broad	—	—	—	—
[O III] 5007	40.51 ± 0.03	203 ± 63	93 ± 26	7.41 ± 0.23
He I Narrow	39.30 ± 0.18	194 ± 63	82 ± 25	0.68 ± 0.15
He I Broad	—	—	—	—
[O I] 6300	39.19 ± 0.20	194 ± 63	82 ± 25	0.63 ± 0.16
Hα Narrow	40.83 ± 0.01	194 ± 63	82 ± 25	30.85 ± 0.27
Hα Broad	—	—	—	—
[N II] 6585	40.35 ± 0.02	194 ± 63	82 ± 25	10.23 ± 0.22
[S II] 6718	39.93 ± 0.05	194 ± 63	82 ± 25	4.04 ± 0.24
[S II] 6732	39.85 ± 0.06	194 ± 63	82 ± 25	3.45 ± 0.25

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	0.84
Hβ Broad SNR	0.00
Hγ Broad SNR	0.00
AGN frac	0.99
Host frac	0.01
log L_5100,Host	41.27
Fe II/Hβ	—
Fe II/[O III]	1.33

Quality flags

`spurious_hab/hbb`	0.0/0
`l5100`	2
`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.