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QSO B1011-040

Observation

Spectrum ID92574481_sp1
Alt nameg1014207-041841
z0.0583
RA, Dec153.5861, -4.3112
MJD60266.72
SNR/Å B/R22.9/29.2
Obs Airmass1.66
SMSS ID92574481
Closest SMSSNone (< 15")
SMSS Mean r6"ap15.1 ± 0.0
2MASS Kext11.7 ± 0.1

AGN Properties

Spectrum TypeSy 1.2
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.032
Power law αν0.49 ± 0.01
log L5100,AGN44.13 ± 0.01
log HβBr/[O III]0.49 ± 0.01
log ML5100/M7.49 ± 0.02
log M/M7.37 ± 0.04
log M/M7.42 ± 0.02
log M[O III]/M7.35 ± 0.02

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 Narrow40.21 ± 0.30342 ± 63246 ± 260.41 ± 0.17
Hγ Broad41.77 ± 0.031844 ± 74766 ± 29714.68 ± 0.78
[O III] 436439.80 ± 0.35267 ± 63112 ± 250.16 ± 0.10
He II Narrow40.01 ± 0.22267 ± 63112 ± 250.31 ± 0.10
He II Broad41.41 ± 0.044196 ± 1421782 ± 607.83 ± 0.41
Hβ Narrow40.73 ± 0.10342 ± 63246 ± 261.77 ± 0.18
Hβ Broad42.13 ± 0.011844 ± 41824 ± 3845.05 ± 0.46
[O III] 500741.63 ± 0.01342 ± 63246 ± 2615.37 ± 0.19
He I Narrow40.03 ± 0.12267 ± 63112 ± 250.57 ± 0.10
He I Broad41.37 ± 0.023603 ± 1241530 ± 5212.74 ± 0.39
[O I] 630039.87 ± 0.15267 ± 63112 ± 250.47 ± 0.10
Hα Narrow41.22 ± 0.02267 ± 63112 ± 2511.62 ± 0.21
Hα Broad42.54 ± 0.011852 ± 631131 ± 31247.79 ± 1.00
[N II] 658540.84 ± 0.03267 ± 63112 ± 254.87 ± 0.18
[S II] 671840.33 ± 0.06267 ± 63112 ± 251.58 ± 0.14
[S II] 673240.24 ± 0.07267 ± 63112 ± 251.30 ± 0.13

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 SNR41.04
Hβ Broad SNR23.29
Hγ Broad SNR12.40
AGN frac0.89
Host frac0.11
log L5100,Host43.22
Fe II/Hβ0.60
Fe II/[O III]1.90

Quality flags

spurious_hab/hbb0.0/0
l51002
balmer0
balmer_snr0
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.