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LEDA 631573

Observation

Spectrum ID95330591_sp1
Alt nameg1236333-365220
z0.0884
RA, Dec189.1387, -36.8722
MJD60081.44
SNR/Å B/R6.6/10.7
Obs Airmass1.01
SMSS ID95330591
Closest SMSS10.65'', 95330592
SMSS Mean r6"ap17.1 ± 0.2
2MASS Kext12.7 ± 0.1

AGN Properties

Spectrum TypeSy 1.8
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.055
Power law αν-0.59 ± 0.56
log L5100,AGN43.04 ± 0.10
log HβBr/[O III]-0.67 ± 0.09
log ML5100/M7.06 ± 0.09
log M/M7.11 ± 0.05
log M/M6.88 ± 0.10
log M[O III]/M7.33 ± 0.08

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 Narrow39.64 ± 0.42334 ± 63154 ± 271.63 ± 1.51
Hγ Broad
[O III] 436439.91 ± 0.28332 ± 63140 ± 253.09 ± 1.10
He II Narrow39.44 ± 0.45332 ± 63140 ± 251.16 ± 1.06
He II Broad40.41 ± 0.242843 ± 711207 ± 2910.71 ± 3.65
Hβ Narrow40.34 ± 0.12334 ± 63154 ± 279.51 ± 1.85
Hβ Broad40.84 ± 0.091932 ± 183742 ± 4728.87 ± 3.19
[O III] 500741.51 ± 0.01334 ± 63154 ± 27147.70 ± 2.41
He I Narrow39.52 ± 0.43332 ± 63140 ± 251.88 ± 1.72
He I Broad40.80 ± 0.113098 ± 681315 ± 2835.91 ± 5.94
[O I] 630040.59 ± 0.05332 ± 63140 ± 2524.53 ± 2.25
Hα Narrow41.11 ± 0.03332 ± 63140 ± 2587.33 ± 2.46
Hα Broad42.00 ± 0.011998 ± 1241046 ± 27670.99 ± 8.36
[N II] 658541.22 ± 0.02332 ± 63140 ± 25110.83 ± 2.32
[S II] 671840.75 ± 0.05332 ± 63140 ± 2539.09 ± 3.00
[S II] 673240.54 ± 0.07332 ± 63140 ± 2524.10 ± 3.03

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 SNR11.62
Hβ Broad SNR1.38
Hγ Broad SNR0.96
AGN frac0.25
Host frac0.74
log L5100,Host43.51
Fe II/Hβ1.18
Fe II/[O III]0.24

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.