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LEDA 762471

Observation

Spectrum ID235107516_sp1
Alt nameg1953479-265403
z0.0717
RA, Dec298.4496, -26.9008
MJD60164.51
SNR/Å B/R11.9/22.1
Obs Airmass1.01
SMSS ID235107516
Closest SMSS10.71'', 235107515
SMSS Mean r6"ap17.0 ± 0.0
2MASS Kext12.6 ± 0.1

AGN Properties

Spectrum TypeSy 1.5+
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.127
Power law αν-1.96 ± 0.05
log L5100,AGN42.10 ± 0.23
log HβBr/[O III]<-0.33
log ML5100/M
log M/M7.84 ± 0.11
log M/M
log M[O III]/M

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 Narrow
Hγ Broad
[O III] 436439.86 ± 0.14368 ± 62156 ± 2529.23 ± 8.82
He II Narrow
He II Broad
Hβ Narrow39.80 ± 0.17377 ± 63234 ± 4125.87 ± 8.89
Hβ Broad<40.60
[O III] 500740.94 ± 0.02377 ± 63234 ± 41351.24 ± 10.37
He I Narrow
He I Broad
[O I] 630039.94 ± 0.07368 ± 62156 ± 2536.22 ± 3.41
Hα Narrow40.60 ± 0.02368 ± 62156 ± 25165.91 ± 3.82
Hα Broad41.22 ± 0.048068 ± 9234496 ± 182685.12 ± 25.45
[N II] 658540.53 ± 0.02368 ± 62156 ± 25139.61 ± 3.91
[S II] 671840.35 ± 0.03368 ± 62156 ± 2592.51 ± 3.93
[S II] 673240.23 ± 0.04368 ± 62156 ± 2569.75 ± 3.81

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 SNR1.28
Hβ Broad SNR0.00
Hγ Broad SNR0.00
AGN frac0.04
Host frac0.96
log L5100,Host43.46
Fe II/Hβ
Fe II/[O III]

Quality flags

spurious_hab/hbb0.0/2
l51002
balmer2
balmer_snr2
hb_width2
balmer_width2

Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.