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MCG-03-58-007

Observation

Spectrum ID6064350_sp1
Alt nameMCG -3-58-007
z0.0304
RA, Dec342.4048, -19.2740
MJD60167.64
SNR/Å B/R25.3/45.4
Obs Airmass1.02
SMSS ID6064350
Closest SMSS9.62'', 2010469579
SMSS Mean r6"ap14.8 ± 0.0
2MASS Kext10.4 ± 0.0

AGN Properties

Spectrum TypeSy 2
Quality Flaggood
AGN referencePGC
MW E(B−V)0.023
Power law αν-1.27 ± 0.10
log L5100,AGN43.09 ± 0.02
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] 436439.09 ± 0.38440 ± 62186 ± 250.46 ± 0.26
He II Narrow39.85 ± 0.07440 ± 62186 ± 252.79 ± 0.26
He II Broad40.42 ± 0.109067 ± 623850 ± 2510.23 ± 1.13
Hβ Narrow40.39 ± 0.03491 ± 62392 ± 259.81 ± 0.40
Hβ Broad
[O III] 500741.47 ± 0.01491 ± 62392 ± 25122.35 ± 0.49
He I Narrow39.53 ± 0.14440 ± 62186 ± 251.59 ± 0.19
He I Broad39.38 ± 0.321178 ± 62500 ± 251.11 ± 0.30
[O I] 630039.82 ± 0.05440 ± 62186 ± 253.25 ± 0.21
Hα Narrow41.10 ± 0.01440 ± 62186 ± 2549.07 ± 0.27
Hα Broad
[N II] 658541.22 ± 0.01440 ± 62186 ± 2565.73 ± 0.27
[S II] 671840.37 ± 0.01440 ± 62186 ± 2512.05 ± 0.24
[S II] 673240.33 ± 0.02440 ± 62186 ± 2511.03 ± 0.24

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 SNR0.00
Hβ Broad SNR0.00
Hγ Broad SNR0.00
AGN frac0.38
Host frac0.62
log L5100,Host43.30
Fe II/Hβ
Fe II/[O III]0.05

Quality flags

spurious_hab/hbb1.0/0
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.