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LEDA 3095576

Observation

Spectrum ID10973229_sp1
Alt nameg0217381-300448
z0.0802
RA, Dec34.4089, -30.0799
MJD60171.79
SNR/Å B/R12.3/20.0
Obs Airmass1.00
SMSS ID10973229
Closest SMSSNone (< 15")
SMSS Mean r6"ap16.8 ± 0.1
2MASS Kext12.9 ± 0.1

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.015
Power law αν-0.84 ± 0.22
log L5100,AGN43.28 ± 0.03
log HβBr/[O III]0.05 ± 0.23
log ML5100/M7.29 ± 0.03
log M/M7.13 ± 0.03
log M/M7.22 ± 0.12
log M[O III]/M7.33 ± 0.03

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 Narrow40.06 ± 0.14328 ± 63230 ± 362.54 ± 0.66
Hγ Broad41.02 ± 0.041895 ± 577931 ± 3522.85 ± 0.96
[O III] 436439.43 ± 0.35325 ± 63136 ± 250.61 ± 0.33
He II Narrow39.89 ± 0.12325 ± 63136 ± 251.87 ± 0.34
He II Broad
Hβ Narrow40.53 ± 0.04328 ± 63230 ± 368.64 ± 0.73
Hβ Broad41.31 +0.43−0.022234 ± 58823 ± 2951.26 ± 1.01
[O III] 500741.25 ± 0.01328 ± 63230 ± 3646.94 ± 0.80
He I Narrow39.69 ± 0.13325 ± 63136 ± 251.54 ± 0.27
He I Broad40.73 ± 0.043208 ± 1161362 ± 4917.26 ± 1.02
[O I] 630039.94 ± 0.06325 ± 63136 ± 252.98 ± 0.27
Hα Narrow41.10 ± 0.01325 ± 63136 ± 2545.30 ± 0.43
Hα Broad41.95 ± 0.012136 ± 641113 ± 29318.27 ± 2.00
[N II] 658540.85 ± 0.01325 ± 63136 ± 2525.72 ± 0.38
[S II] 671840.49 ± 0.02325 ± 63136 ± 2511.46 ± 0.50
[S II] 673240.41 ± 0.03325 ± 63136 ± 259.53 ± 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 SNR22.34
Hβ Broad SNR7.96
Hγ Broad SNR4.57
AGN frac0.60
Host frac0.40
log L5100,Host43.10
Fe II/Hβ
Fe II/[O III]

Quality flags

spurious_hab/hbb0.0/1
l51000
balmer0
balmer_snr0
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.