← atlas

ESO 416-5

Observation

Spectrum ID10805612_sp1
Alt nameESO 416-5
z0.0624
RA, Dec39.6881, -30.8065
MJD60913.79
SNR/Å B/R12.8/22.8
Obs Airmass1.01
SMSS ID10805612
Closest SMSSNone (< 15")
SMSS Mean r6"ap15.3 ± 0.1
2MASS Kext11.2 ± 0.1

AGN Properties

Spectrum TypeSy 1.5+
Quality Flaggood
AGN referencePGC
MW E(B−V)0.057
Power law αν-1.04 ± 0.12
log L5100,AGN43.68 ± 0.01
log HβBr/[O III]<0.03
log ML5100/M
log M/M7.25 ± 0.05
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] 4364
He II Narrow39.97 ± 0.18269 ± 63114 ± 250.91 ± 0.22
He II Broad
Hβ Narrow40.55 ± 0.07340 ± 74297 ± 323.63 ± 0.37
Hβ Broad<40.71
[O III] 500740.69 ± 0.06340 ± 74297 ± 325.10 ± 0.38
He I Narrow39.57 ± 0.23269 ± 63114 ± 250.45 ± 0.15
He I Broad41.12 ± 0.059653 ± 904099 ± 3715.88 ± 1.00
[O I] 630040.06 ± 0.07269 ± 63114 ± 251.49 ± 0.15
Hα Narrow41.17 ± 0.01269 ± 63114 ± 2519.92 ± 0.22
Hα Broad42.05 ± 0.012260 ± 1192139 ± 25153.50 ± 0.95
[N II] 658541.08 ± 0.01269 ± 63114 ± 2516.58 ± 0.21
[S II] 671840.47 ± 0.03269 ± 63114 ± 254.09 ± 0.17
[S II] 673240.47 ± 0.03269 ± 63114 ± 254.09 ± 0.17

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 SNR11.85
Hβ Broad SNR0.20
Hγ Broad SNR0.00
AGN frac0.80
Host frac0.19
log L5100,Host43.06
Fe II/Hβ
Fe II/[O III]

Quality flags

spurious_hab/hbb0.0/1
l51000
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.