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NVSS J160445-103326

Observation

Spectrum ID169841662_sp1
Alt nameg1604459-103326
z0.0601
RA, Dec241.1912, -10.5573
MJD59397.48
SNR/Å B/R12.5/25.5
Obs Airmass1.07
SMSS ID169841662
Closest SMSS11.77'', 169841663
SMSS Mean r6"ap16.6 ± 0.1
2MASS Kext12.3 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.237
Power law αν-0.88 ± 0.12
log L5100,AGN43.56 ± 0.02
log HβBr/[O III]0.35 ± 0.20
log ML5100/M7.81 ± 0.02
log M/M7.78 ± 0.02
log M/M7.79 ± 0.10
log M[O III]/M7.77 ± 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 Broad41.34 ± 0.042551 ± 6201305 ± 6625.05 ± 1.17
[O III] 436440.06 ± 0.20434 ± 63184 ± 251.36 ± 0.36
He II Narrow39.74 ± 0.29434 ± 63184 ± 250.70 ± 0.33
He II Broad
Hβ Narrow40.28 ± 0.12450 ± 63291 ± 342.54 ± 0.49
Hβ Broad41.68 +0.37−0.023547 ± 881312 ± 3864.61 ± 1.05
[O III] 500741.33 ± 0.01450 ± 63291 ± 3429.77 ± 0.53
He I Narrow
He I Broad41.06 ± 0.034147 ± 1231761 ± 5218.75 ± 0.86
[O I] 630040.24 ± 0.05434 ± 63184 ± 253.14 ± 0.25
Hα Narrow40.96 ± 0.02434 ± 63184 ± 2517.18 ± 0.34
Hα Broad42.42 ± 0.013217 ± 661529 ± 25494.37 ± 1.21
[N II] 658540.96 ± 0.02434 ± 63184 ± 2517.31 ± 0.33
[S II] 671840.53 ± 0.03434 ± 63184 ± 256.51 ± 0.27
[S II] 673240.39 ± 0.04434 ± 63184 ± 254.70 ± 0.26

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 SNR31.22
Hβ Broad SNR8.15
Hγ Broad SNR4.79
AGN frac0.67
Host frac0.33
log L5100,Host43.25
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.