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LEDA 3327939

Observation

Spectrum ID107818403_sp1
Alt nameg1321353-001306
z0.0816
RA, Dec200.3972, -0.2183
MJD59993.76
SNR/Å B/R5.9/9.5
Obs Airmass1.18
SMSS ID107818403
Closest SMSS10.77'', 107818401
SMSS Mean r6"ap16.4 ± 0.1
2MASS Kext12.9 ± 0.1

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.018
Power law αν-0.38 ± 0.30
log L5100,AGN43.55 ± 0.05
log HβBr/[O III]0.15 ± 0.07
log ML5100/M7.52 ± 0.25
log M/M6.91 ± 0.24
log M/M7.37 ± 0.25
log M[O III]/M7.44 ± 0.25

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 Narrow40.02 ± 0.37326 ± 66215 ± 431.15 ± 0.83
Hγ Broad40.72 ± 0.181398 ± 217514 ± 844.74 ± 1.22
[O III] 436440.15 ± 0.26286 ± 64121 ± 261.55 ± 0.53
He II Narrow39.97 ± 0.34286 ± 64121 ± 261.15 ± 0.53
He II Broad40.44 ± 0.251323 ± 112562 ± 473.39 ± 1.13
Hβ Narrow40.51 ± 0.16326 ± 66215 ± 434.24 ± 0.89
Hβ Broad41.40 ± 0.062534 ± 6541295 ± 11034.94 ± 2.15
[O III] 500741.25 ± 0.04326 ± 66215 ± 4325.23 ± 1.04
He I Narrow39.88 ± 0.26286 ± 64121 ± 261.37 ± 0.46
He I Broad40.70 ± 0.131980 ± 426841 ± 1818.42 ± 1.21
[O I] 630040.06 ± 0.15286 ± 64121 ± 262.32 ± 0.49
Hα Narrow41.38 ± 0.03286 ± 64121 ± 2651.59 ± 0.63
Hα Broad41.83 ± 0.081786 ± 512640 ± 185141.42 ± 1.57
[N II] 658541.21 ± 0.07286 ± 64121 ± 2635.61 ± 0.60
[S II] 671840.57 ± 0.06286 ± 64121 ± 268.31 ± 0.73
[S II] 673240.53 ± 0.06286 ± 64121 ± 267.56 ± 0.75

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 SNR8.35
Hβ Broad SNR2.64
Hγ Broad SNR1.18
AGN frac0.70
Host frac0.30
log L5100,Host43.18
Fe II/Hβ1.11
Fe II/[O III]1.61

Quality flags

spurious_hab/hbb0.0/0
l51000
balmer1
balmer_snr1
hb_width1
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.