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MCG-01-22-028

Observation

Spectrum ID75454716_sp1
Alt nameMCG -1-22-028
z0.0363
RA, Dec129.0388, -7.0549
MJD61009.7
SNR/Å B/R20.6/42.4
Obs Airmass1.16
SMSS ID75454716
Closest SMSS8.24'', 2113993222
SMSS Mean r6"ap14.7 ± 0.0
2MASS Kext10.2 ± 0.0

AGN Properties

Spectrum TypeSF
Quality Flaggood
AGN referencePGC
MW E(B−V)0.030
Power law αν0.49 ± 0.01
log L5100,AGN42.03 ± 0.21
log HβBr/[O III]
log ML5100/M
log M/M
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 Narrow
Hγ Broad
[O III] 4364
He II Narrow
He II Broad40.33 ± 0.123021 ± 621283 ± 2584.03 ± 12.50
Hβ Narrow
Hβ Broad
[O III] 500740.18 ± 0.091190 ± 471529 ± 2568.84 ± 8.41
He I Narrow
He I Broad
[O I] 6300
Hα Narrow39.92 ± 0.05305 ± 62129 ± 2575.31 ± 5.44
Hα Broad
[N II] 658540.21 ± 0.03305 ± 62129 ± 25145.99 ± 6.12
[S II] 671839.79 ± 0.07305 ± 62129 ± 2558.77 ± 5.93
[S II] 673239.74 ± 0.08305 ± 62129 ± 2552.85 ± 6.11

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 SNR0.80
Hβ Broad SNR0.00
Hγ Broad SNR0.00
AGN frac0.02
Host frac0.98
log L5100,Host43.64
Fe II/Hβ
Fe II/[O III]6.91

Quality flags

spurious_hab/hbb0.0/0
l51002
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.