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ESO 362-21

Observation

Spectrum ID19687484_sp1
Alt nameg0522580-362731
z0.0554
RA, Dec80.7416, -36.4586
MJD59995.49
SNR/Å B/R18.6/38.3
Obs Airmass1.14
SMSS ID19687484
Closest SMSS12.05'', 2041407217
SMSS Mean r6"ap15.1 ± 0.2
2MASS Kextnan ± nan

AGN Properties

Spectrum TypeSy 1.5
Quality Flaggood
AGN reference6dFGS
MW E(B−V)0.034
Power law αν-1.47 ± 0.15
log L5100,AGN43.79 ± 0.03
log HβBr/[O III]-0.04 ± 0.06
log ML5100/M8.08 ± 0.15
log M/M7.24 ± 0.04
log M/M7.79 ± 0.16
log M[O III]/M7.96 ± 0.15

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 Narrow40.04 ± 0.43438 ± 65389 ± 290.83 ± 0.61
Hγ Broad40.95 ± 0.142512 ± 10031143 ± 746.50 ± 1.10
[O III] 436440.08 ± 0.28343 ± 63145 ± 250.93 ± 0.34
He II Narrow
He II Broad39.83 ± 0.461178 ± 62500 ± 250.53 ± 0.53
Hβ Narrow40.66 ± 0.13438 ± 65390 ± 293.73 ± 0.55
Hβ Broad41.32 ± 0.064298 ± 7501804 ± 5416.61 ± 1.16
[O III] 500741.36 ± 0.02438 ± 65390 ± 2919.18 ± 0.56
He I Narrow39.72 ± 0.30343 ± 63145 ± 250.47 ± 0.18
He I Broad39.66 ± 0.461191 ± 63505 ± 250.41 ± 0.33
[O I] 630040.71 ± 0.03343 ± 63145 ± 254.80 ± 0.19
Hα Narrow40.82 ± 0.04343 ± 63145 ± 256.30 ± 0.23
Hα Broad41.91 ± 0.012482 ± 99986 ± 2578.11 ± 0.65
[N II] 658541.00 ± 0.02343 ± 63145 ± 259.53 ± 0.23
[S II] 671840.65 ± 0.03343 ± 63145 ± 254.29 ± 0.21
[S II] 673240.70 ± 0.03343 ± 63145 ± 254.82 ± 0.21

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 SNR8.95
Hβ Broad SNR1.79
Hγ Broad SNR1.42
AGN frac0.43
Host frac0.57
log L5100,Host43.91
Fe II/Hβ0.28
Fe II/[O III]0.24

Quality flags

spurious_hab/hbb0.0/0
l51001
balmer1
balmer_snr2
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.