ESO 365-5
Observation
| Spectrum ID | 31786125_sp1 |
|---|---|
| Alt name | g0618453-351815 |
| z | 0.0450 |
| RA, Dec | 94.6886, -35.3041 |
| MJD | 59193.69 |
| SNR/Å B/R | 8.5/28.2 |
| Obs Airmass | 1.05 |
| SMSS ID | 31786125 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.3 ± 0.0 |
| 2MASS Kext | 10.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.037 |
| Power law αν | -1.96 ± 0.05 |
| log L5100,AGN | 42.34 ± 0.16 |
| log HβBr/[O III] | <-0.20 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.97 ± 0.05 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
Spatial extraction & sky subtraction region
Spaxel scale: 1 arcsec² — Flux units: erg s⁻¹ cm⁻² Å⁻¹
Apertures: object (solid), background (dashed)
Spectrum decomposition
Emission line measurements
| Line | log L (erg s⁻¹) | FWHM (km s⁻¹) | σ (km s⁻¹) | EW (Å) |
|---|---|---|---|---|
| Hγ Narrow | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.47 ± 0.45 | 287 ± 62 | 121 ± 25 | 6.89 ± 6.57 |
| He II Narrow | 39.49 ± 0.42 | 287 ± 62 | 121 ± 25 | 7.28 ± 5.54 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.56 ± 0.06 | 339 ± 64 | 162 ± 25 | 84.55 ± 6.46 |
| Hβ Broad | <40.80 | — | — | — |
| [O III] 5007 | 41.00 ± 0.02 | 339 ± 64 | 162 ± 25 | 232.88 ± 6.26 |
| He I Narrow | 39.45 ± 0.22 | 287 ± 62 | 121 ± 25 | 6.63 ± 1.85 |
| He I Broad | 40.01 ± 0.24 | 3484 ± 63 | 1480 ± 25 | 24.31 ± 6.43 |
| [O I] 6300 | 39.86 ± 0.08 | 287 ± 62 | 121 ± 25 | 17.17 ± 1.92 |
| Hα Narrow | 41.24 ± 0.01 | 287 ± 62 | 121 ± 25 | 409.55 ± 2.52 |
| Hα Broad | 41.05 ± 0.03 | 3332 ± 91 | 1232 ± 30 | 266.39 ± 7.35 |
| [N II] 6585 | 41.09 ± 0.01 | 287 ± 62 | 121 ± 25 | 289.55 ± 2.62 |
| [S II] 6718 | 40.39 ± 0.03 | 287 ± 62 | 121 ± 25 | 58.54 ± 2.07 |
| [S II] 6732 | 40.40 ± 0.02 | 287 ± 62 | 121 ± 25 | 59.30 ± 1.99 |
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 SNR | 1.52 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.05 |
| Host frac | 0.95 |
| log L5100,Host | 43.60 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.