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LEDA 1099611

Observation

Spectrum ID107773893_sp1
Alt nameg1313057-021039
z0.0837
RA, Dec198.2737, -2.1776
MJD60018.65
SNR/Å B/R9.8/20.8
Obs Airmass1.14
SMSS ID107773893
Closest SMSSNone (< 15")
SMSS Mean r6"ap16.2 ± 0.2
2MASS Kext13.1 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.025
Power law αν-1.51 ± 0.14
log L5100,AGN43.45 ± 0.03
log HβBr/[O III]0.31 ± 0.02
log ML5100/M8.22 ± 0.07
log M/M7.69 ± 0.02
log M/M8.31 ± 0.07
log M[O III]/M8.32 ± 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 Narrow40.01 ± 0.26285 ± 63262 ± 361.70 ± 1.17
Hγ Broad41.26 ± 0.063669 ± 3071357 ± 6729.44 ± 2.18
[O III] 436440.23 ± 0.14277 ± 63117 ± 252.78 ± 0.58
He II Narrow
He II Broad41.48 ± 0.0512356 ± 2565247 ± 10851.02 ± 3.60
Hβ Narrow40.49 ± 0.09285 ± 63262 ± 365.43 ± 1.11
Hβ Broad41.84 ± 0.025939 ± 4382391 ± 53118.79 ± 2.69
[O III] 500741.52 ± 0.01285 ± 63262 ± 3659.21 ± 1.23
He I Narrow39.70 ± 0.20277 ± 63117 ± 250.95 ± 0.28
He I Broad40.92 ± 0.076907 ± 2722933 ± 11515.84 ± 1.33
[O I] 630040.20 ± 0.06277 ± 63117 ± 253.11 ± 0.27
Hα Narrow40.52 ± 0.04277 ± 63117 ± 256.68 ± 0.31
Hα Broad42.25 ± 0.013298 ± 741697 ± 28354.97 ± 1.58
[N II] 658540.89 ± 0.01277 ± 63117 ± 2515.72 ± 0.31
[S II] 671840.61 ± 0.03277 ± 63117 ± 258.33 ± 0.37
[S II] 673240.54 ± 0.03277 ± 63117 ± 257.17 ± 0.36

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 SNR14.56
Hβ Broad SNR5.05
Hγ Broad SNR2.52
AGN frac0.49
Host frac0.51
log L5100,Host43.48
Fe II/Hβ0.40
Fe II/[O III]0.81

Quality flags

spurious_hab/hbb0.0/0
l51001
balmer0
balmer_snr1
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.