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MCG-05-04-033

Observation

Spectrum ID10121073_sp1
Alt nameg0122548-304708
z0.0316
RA, Dec20.7284, -30.7855
MJD60166.74
SNR/Å B/R15.4/31.6
Obs Airmass1.00
SMSS ID10121073
Closest SMSSNone (< 15")
SMSS Mean r6"ap15.8 ± 0.0
2MASS Kext11.4 ± 0.1

AGN Properties

Spectrum TypeSy 1.5+
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.019
Power law αν-1.99 ± 0.01
log L5100,AGN42.37 ± 0.02
log HβBr/[O III]<0.01
log ML5100/M
log M/M7.02 ± 0.13
log M/M
log M[O III]/M

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 Narrow39.28 ± 0.17289 ± 63180 ± 524.10 ± 1.64
Hγ Broad
[O III] 4364
He II Narrow
He II Broad40.39 ± 0.069781 ± 624154 ± 2554.32 ± 4.26
Hβ Narrow39.87 ± 0.04289 ± 63180 ± 5216.18 ± 1.33
Hβ Broad<39.95
[O III] 500739.94 ± 0.04289 ± 63180 ± 5219.01 ± 1.35
He I Narrow
He I Broad
[O I] 630038.79 ± 0.24286 ± 62120 ± 251.35 ± 0.41
Hα Narrow40.47 ± 0.01286 ± 62120 ± 2564.54 ± 0.47
Hα Broad40.32 ± 0.045890 ± 7232290 ± 3645.98 ± 2.08
[N II] 658540.15 ± 0.01286 ± 62120 ± 2531.35 ± 0.44
[S II] 671839.82 ± 0.02286 ± 62120 ± 2514.71 ± 0.46
[S II] 673239.69 ± 0.03286 ± 62120 ± 2510.76 ± 0.45

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 SNR1.05
Hβ Broad SNR0.00
Hγ Broad SNR0.00
AGN frac0.21
Host frac0.79
log L5100,Host42.94
Fe II/Hβ
Fe II/[O III]0.81

Quality flags

spurious_hab/hbb0.0/0
l51001
balmer2
balmer_snr2
hb_width2
balmer_width2

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