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Z 14-79

Observation

Spectrum ID106888347_sp1
Alt nameg1237399-033517
z0.0233
RA, Dec189.4162, -3.5879
MJD60330.73
SNR/Å B/R18.8/37.9
Obs Airmass1.18
SMSS ID106888347
Closest SMSS7.29'', 2173598661
SMSS Mean r6"ap15.8 ± 0.0
2MASS Kext11.6 ± 0.1

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.027
Power law αν-0.74 ± 0.18
log L5100,AGN42.11 ± 0.05
log HβBr/[O III]-0.10 ± 0.05
log ML5100/M7.73 ± 0.14
log M/M6.78 ± 0.12
log M/M7.71 ± 0.15
log M[O III]/M7.86 ± 0.15

Spatial extraction & sky subtraction region

Spatial plot

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

Spectrum decomposition

Emission line measurements

Linelog L (erg s⁻¹)FWHM (km s⁻¹)σ (km s⁻¹)EW (Å)
Hγ Narrow39.09 ± 0.31449 ± 63375 ± 304.04 ± 2.30
Hγ Broad
[O III] 436439.00 ± 0.25413 ± 63174 ± 253.27 ± 1.27
He II Narrow38.89 ± 0.28413 ± 63174 ± 252.78 ± 1.10
He II Broad40.30 ± 0.0711078 ± 644704 ± 2671.83 ± 5.90
Hβ Narrow39.74 ± 0.06449 ± 63375 ± 3020.85 ± 1.88
Hβ Broad40.31 ± 0.056584 ± 10402777 ± 5174.83 ± 4.77
[O III] 500740.41 ± 0.02449 ± 63375 ± 30100.38 ± 2.05
He I Narrow38.48 ± 0.38413 ± 63174 ± 251.44 ± 0.76
He I Broad38.93 ± 0.291312 ± 63557 ± 254.09 ± 1.42
[O I] 630039.73 ± 0.02413 ± 63174 ± 2528.17 ± 0.91
Hα Narrow40.11 ± 0.02413 ± 63174 ± 2569.80 ± 0.99
Hα Broad40.71 ± 0.013388 ± 4022001 ± 30277.40 ± 3.73
[N II] 658540.11 ± 0.01413 ± 63174 ± 2570.35 ± 1.02
[S II] 671839.98 ± 0.02413 ± 63174 ± 2553.90 ± 1.17
[S II] 673239.84 ± 0.02413 ± 63174 ± 2539.07 ± 1.13

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 SNR4.26
Hβ Broad SNR1.48
Hγ Broad SNR0.49
AGN frac0.12
Host frac0.88
log L5100,Host42.97
Fe II/Hβ0.61
Fe II/[O III]0.48

Quality flags

spurious_hab/hbb0.0/0
l51002
balmer1
balmer_snr2
hb_width0
balmer_width1

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