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MCG-03-34-010

Observation

Spectrum ID105550166_sp1
Alt nameg1311381-162346
z0.0414
RA, Dec197.9088, -16.3960
MJD59019.48
SNR/Å B/R18.7/37.7
Obs Airmass1.20
SMSS ID105550166
Closest SMSS8.92'', 2171927771
SMSS Mean r6"ap16.3 ± 0.1
2MASS Kext11.8 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.068
Power law αν0.43 ± 0.06
log L5100,AGN42.82 ± 0.02
log HβBr/[O III]0.50 ± 0.02
log ML5100/M7.30 ± 0.04
log M/M6.82 ± 0.03
log M/M7.27 ± 0.06
log M[O III]/M7.15 ± 0.06

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 Narrow39.96 ± 0.07246 ± 63206 ± 284.69 ± 0.51
Hγ Broad40.57 ± 0.063496 ± 6231420 ± 6919.42 ± 1.34
[O III] 436438.87 ± 0.37201 ± 6281 ± 250.39 ± 0.27
He II Narrow38.86 ± 0.34201 ± 6281 ± 250.46 ± 0.27
He II Broad40.34 ± 0.084244 ± 1751802 ± 7413.49 ± 1.38
Hβ Narrow40.31 ± 0.03246 ± 63206 ± 2813.92 ± 0.54
Hβ Broad40.97 ± 0.022816 ± 1181054 ± 3862.12 ± 1.24
[O III] 500740.47 ± 0.02246 ± 63206 ± 2821.66 ± 0.57
He I Narrow38.89 ± 0.23201 ± 6281 ± 250.84 ± 0.28
He I Broad40.43 ± 0.032711 ± 1211151 ± 5128.69 ± 1.06
[O I] 630039.03 ± 0.15201 ± 6281 ± 251.38 ± 0.32
Hα Narrow40.72 ± 0.01201 ± 6281 ± 2575.09 ± 0.50
Hα Broad41.49 ± 0.012041 ± 65852 ± 27443.46 ± 1.86
[N II] 658540.50 ± 0.01201 ± 6281 ± 2545.16 ± 0.45
[S II] 671839.98 ± 0.02201 ± 6281 ± 2514.49 ± 0.40
[S II] 673239.87 ± 0.03201 ± 6281 ± 2511.29 ± 0.40

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 SNR23.54
Hβ Broad SNR7.19
Hγ Broad SNR2.74
AGN frac0.29
Host frac0.71
log L5100,Host43.20
Fe II/Hβ1.29
Fe II/[O III]3.96

Quality flags

spurious_hab/hbb0.0/0
l51002
balmer0
balmer_snr1
hb_width0
balmer_width0

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