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NVSS J020356-165653

Observation

Spectrum ID14358367_sp1
Alt nameNVSS J02039-1656
z0.0961
RA, Dec30.9861, -16.9497
MJD60905.76
SNR/Å B/R16.7/23.2
Obs Airmass1.03
SMSS ID14358367
Closest SMSSNone (< 15")
SMSS Mean r6"ap16.1 ± 0.0
2MASS Kext12.4 ± 0.1

AGN Properties

Spectrum TypeSy 1.8+
Quality Flaggood
AGN referenceM+2007
MW E(B−V)0.029
Power law αν0.28 ± 0.13
log L5100,AGN43.77 ± 0.02
log HβBr/[O III]<-1.29
log ML5100/M
log M/M7.16 ± 0.03
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] 436440.07 ± 0.30466 ± 63198 ± 250.71 ± 0.32
He II Narrow40.46 ± 0.18466 ± 63198 ± 252.04 ± 0.37
He II Broad40.67 ± 0.211518 ± 63644 ± 253.31 ± 0.62
Hβ Narrow41.01 ± 0.06551 ± 63346 ± 258.00 ± 0.56
Hβ Broad<40.91
[O III] 500742.20 ± 0.01551 ± 63347 ± 25131.25 ± 0.69
He I Narrow40.10 ± 0.22466 ± 63198 ± 251.50 ± 0.34
He I Broad40.58 ± 0.162242 ± 63952 ± 254.57 ± 0.81
[O I] 630040.90 ± 0.03466 ± 63198 ± 2511.20 ± 0.47
Hα Narrow41.61 ± 0.01466 ± 63198 ± 2562.70 ± 0.62
Hα Broad41.97 ± 0.012167 ± 69755 ± 25144.65 ± 1.05
[N II] 658541.79 ± 0.01466 ± 63198 ± 2595.48 ± 0.64
[S II] 671841.29 ± 0.01466 ± 63198 ± 2531.36 ± 0.64
[S II] 673241.28 ± 0.01466 ± 63198 ± 2531.42 ± 0.63

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 SNR12.08
Hβ Broad SNR0.34
Hγ Broad SNR0.00
AGN frac0.46
Host frac0.54
log L5100,Host43.84
Fe II/Hβ
Fe II/[O III]0.05

Quality flags

spurious_hab/hbb0.0/0
l51001
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.