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MCG-06-44-023

Observation

Spectrum ID233071576_sp1
Alt nameg2015255-373043
z0.0200
RA, Dec303.8560, -37.5119
MJD59732.7
SNR/Å B/R12.8/30.4
Obs Airmass1.02
SMSS ID233071576
Closest SMSS11.83'', 2335151007
SMSS Mean r6"ap15.4 ± 0.0
2MASS Kext10.6 ± 0.0

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.055
Power law αν-1.91 ± 0.09
log L5100,AGN42.36 ± 0.03
log HβBr/[O III]0.07 ± 0.06
log ML5100/M7.34 ± 0.21
log M/M7.11 ± 0.05
log M/M7.22 ± 0.22
log M[O III]/M7.28 ± 0.22

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] 436439.01 ± 0.28292 ± 63124 ± 252.24 ± 0.94
He II Narrow38.57 ± 0.43292 ± 63124 ± 250.81 ± 0.71
He II Broad
Hβ Narrow38.90 ± 0.34315 ± 63205 ± 331.74 ± 1.12
Hβ Broad40.31 ± 0.053731 ± 9891771 ± 6745.10 ± 3.00
[O III] 500740.24 ± 0.02315 ± 63205 ± 3338.32 ± 1.18
He I Narrow38.80 ± 0.20292 ± 63124 ± 251.43 ± 0.37
He I Broad39.83 ± 0.084176 ± 651773 ± 2615.34 ± 1.56
[O I] 630039.24 ± 0.07292 ± 63124 ± 253.91 ± 0.39
Hα Narrow39.81 ± 0.02292 ± 63124 ± 2514.76 ± 0.41
Hα Broad40.97 ± 0.014140 ± 832115 ± 48210.88 ± 2.34
[N II] 658539.92 ± 0.02292 ± 63124 ± 2518.84 ± 0.41
[S II] 671839.52 ± 0.04292 ± 63124 ± 257.52 ± 0.41
[S II] 673239.39 ± 0.06292 ± 63124 ± 255.52 ± 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 SNR5.13
Hβ Broad SNR1.90
Hγ Broad SNR0.82
AGN frac0.23
Host frac0.77
log L5100,Host42.89
Fe II/Hβ0.30
Fe II/[O III]0.36

Quality flags

spurious_hab/hbb0.0/0
l51001
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.