← atlas

MCG-01-34-008

Observation

Spectrum ID107322162_sp1
Alt nameg1310171-072716
z0.0221
RA, Dec197.5713, -7.4544
MJD60402.65
SNR/Å B/R17.5/31.1
Obs Airmass1.14
SMSS ID107322162
Closest SMSS6.90'', 107322161
SMSS Mean r6"ap15.2 ± 0.1
2MASS Kext10.6 ± 0.0

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.040
Power law αν-0.94 ± 0.29
log L5100,AGN42.47 ± 0.05
log HβBr/[O III]-0.32 ± 0.04
log ML5100/M7.52 ± 0.06
log M/M7.01 ± 0.04
log M/M7.38 ± 0.08
log M[O III]/M7.64 ± 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 Narrow39.62 ± 0.08357 ± 63195 ± 255.96 ± 0.71
Hγ Broad39.55 ± 0.161301 ± 170500 ± 744.75 ± 1.15
[O III] 436439.43 ± 0.09294 ± 63123 ± 253.91 ± 0.53
He II Narrow38.78 ± 0.31294 ± 63123 ± 250.94 ± 0.44
He II Broad39.83 ± 0.124215 ± 1231790 ± 5210.44 ± 1.71
Hβ Narrow39.93 ± 0.03357 ± 63195 ± 2513.72 ± 0.63
Hβ Broad40.40 ± 0.034310 ± 2481638 ± 6140.49 ± 1.79
[O III] 500740.72 ± 0.01357 ± 63195 ± 2588.11 ± 0.69
He I Narrow38.74 ± 0.24294 ± 63123 ± 251.10 ± 0.39
He I Broad40.26 ± 0.046018 ± 1172555 ± 4936.22 ± 1.97
[O I] 630039.52 ± 0.04294 ± 63123 ± 257.04 ± 0.42
Hα Narrow40.43 ± 0.01294 ± 63123 ± 2559.73 ± 0.50
Hα Broad41.03 ± 0.013509 ± 751430 ± 46242.63 ± 2.11
[N II] 658540.38 ± 0.01294 ± 63123 ± 2554.16 ± 0.48
[S II] 671839.92 ± 0.02294 ± 63123 ± 2519.02 ± 0.53
[S II] 673239.85 ± 0.02294 ± 63123 ± 2516.26 ± 0.52

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 SNR8.98
Hβ Broad SNR2.44
Hγ Broad SNR1.16
AGN frac0.26
Host frac0.74
log L5100,Host42.93
Fe II/Hβ0.45
Fe II/[O III]0.21

Quality flags

spurious_hab/hbb0.0/0
l51001
balmer1
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.