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6dFGS gJ143318.1-355902

Observation

Spectrum ID100837830_sp1
Alt nameg1433181-355902
z0.0776
RA, Dec218.3253, -35.9839
MJD59440.4
SNR/Å B/R11.9/24.7
Obs Airmass1.18
SMSS ID100837830
Closest SMSS9.83'', 1125924723
SMSS Mean r6"ap16.5 ± 0.0
2MASS Kext12.7 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.056
Power law αν-1.64 ± 0.06
log L5100,AGN43.41 ± 0.02
log HβBr/[O III]0.55 ± 0.03
log ML5100/M8.40 ± 0.02
log M/M8.12 ± 0.01
log M/M8.47 ± 0.03
log M[O III]/M8.36 ± 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 Narrow
Hγ Broad40.96 ± 0.113744 ± 2121392 ± 6715.76 ± 2.27
[O III] 436439.89 ± 0.30343 ± 63144 ± 251.48 ± 0.64
He II Narrow39.99 ± 0.23343 ± 63144 ± 251.89 ± 0.56
He II Broad40.80 ± 0.133711 ± 631576 ± 2512.23 ± 1.96
Hβ Narrow39.91 ± 0.30347 ± 63237 ± 561.59 ± 1.05
Hβ Broad41.75 ± 0.027485 ± 1422814 ± 25109.51 ± 2.89
[O III] 500741.20 ± 0.03347 ± 63238 ± 5531.03 ± 1.20
He I Narrow
He I Broad40.30 ± 0.203540 ± 631503 ± 254.22 ± 1.07
[O I] 6300
Hα Narrow40.78 ± 0.02343 ± 63144 ± 2513.23 ± 0.37
Hα Broad42.23 ± 0.015485 ± 652041 ± 25367.05 ± 1.61
[N II] 658540.80 ± 0.02343 ± 63144 ± 2513.84 ± 0.37
[S II] 671840.67 ± 0.04343 ± 63144 ± 2510.29 ± 0.46
[S II] 673240.53 ± 0.04343 ± 63144 ± 257.50 ± 0.46

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 SNR11.03
Hβ Broad SNR3.68
Hγ Broad SNR1.34
AGN frac0.38
Host frac0.62
log L5100,Host43.62
Fe II/Hβ0.32
Fe II/[O III]1.12

Quality flags

spurious_hab/hbb0.0/0
l51001
balmer0
balmer_snr1
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.