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LEDA 183293

Observation

Spectrum ID106327166_sp1
Alt nameg1249104-114925
z0.0742
RA, Dec192.2934, -11.8236
MJD59725.45
SNR/Å B/R13.0/25.9
Obs Airmass1.06
SMSS ID106327166
Closest SMSSNone (< 15")
SMSS Mean r6"ap16.5 ± 0.1
2MASS Kext12.2 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.040
Power law αν0.22 ± 0.18
log L5100,AGN43.52 ± 0.03
log HβBr/[O III]0.35 ± 0.04
log ML5100/M8.22 ± 0.04
log M/M7.45 ± 0.02
log M/M8.12 ± 0.05
log M[O III]/M8.10 ± 0.05

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 Narrow40.16 ± 0.22240 ± 64141 ± 261.55 ± 0.46
Hγ Broad
[O III] 436440.02 ± 0.20181 ± 6276 ± 251.13 ± 0.31
He II Narrow
He II Broad40.16 ± 0.341505 ± 65639 ± 261.84 ± 0.92
Hβ Narrow40.89 ± 0.04240 ± 64141 ± 2610.55 ± 0.54
Hβ Broad41.48 ± 0.045787 ± 2512215 ± 2841.34 ± 2.08
[O III] 500741.13 ± 0.02240 ± 64141 ± 2619.86 ± 0.58
He I Narrow
He I Broad40.98 ± 0.053308 ± 641405 ± 2620.13 ± 1.26
[O I] 630039.98 ± 0.10181 ± 6276 ± 252.34 ± 0.30
Hα Narrow41.40 ± 0.01181 ± 6276 ± 2567.71 ± 0.44
Hα Broad41.92 ± 0.013134 ± 781185 ± 25220.41 ± 1.69
[N II] 658541.16 ± 0.01181 ± 6276 ± 2538.58 ± 0.41
[S II] 671840.68 ± 0.02181 ± 6276 ± 2513.56 ± 0.38
[S II] 673240.55 ± 0.03181 ± 6276 ± 2510.13 ± 0.48

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 SNR7.86
Hβ Broad SNR2.16
Hγ Broad SNR0.45
AGN frac0.37
Host frac0.63
log L5100,Host43.75
Fe II/Hβ0.41
Fe II/[O III]0.90

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.