LEDA 3085413
Observation
| Spectrum ID | 412799397_sp1 |
|---|---|
| Alt name | g1046120-471741 |
| z | 0.0462 |
| RA, Dec | 161.5498, -47.2948 |
| MJD | 60376.58 |
| SNR/Å B/R | 15.4/22.0 |
| Obs Airmass | 1.04 |
| SMSS ID | 412799397 |
| Closest SMSS | 10.33'', 412799420 |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.142 |
| Power law αν | -0.84 ± 0.08 |
| log L5100,AGN | 43.00 ± 0.02 |
| log HβBr/[O III] | <-0.76 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.41 ± 0.03 |
| 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 | 40.08 ± 0.08 | 311 ± 63 | 196 ± 26 | 5.07 ± 0.61 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.31 ± 0.28 | 288 ± 62 | 120 ± 25 | 0.85 ± 0.36 |
| He II Narrow | 39.59 ± 0.17 | 288 ± 62 | 120 ± 25 | 1.78 ± 0.34 |
| He II Broad | 39.59 ± 0.33 | 1178 ± 62 | 500 ± 25 | 1.76 ± 0.68 |
| Hβ Narrow | 40.65 ± 0.02 | 311 ± 63 | 196 ± 26 | 21.31 ± 0.59 |
| Hβ Broad | <40.39 | — | — | — |
| [O III] 5007 | 41.15 ± 0.01 | 311 ± 63 | 196 ± 26 | 69.36 ± 0.62 |
| He I Narrow | 39.46 ± 0.20 | 288 ± 62 | 120 ± 25 | 1.73 ± 0.35 |
| He I Broad | 39.93 ± 0.14 | 1225 ± 64 | 520 ± 26 | 5.03 ± 0.73 |
| [O I] 6300 | 40.07 ± 0.03 | 288 ± 62 | 120 ± 25 | 7.58 ± 0.38 |
| Hα Narrow | 41.17 ± 0.01 | 288 ± 62 | 120 ± 25 | 100.84 ± 0.57 |
| Hα Broad | 41.54 ± 0.01 | 3938 ± 128 | 1960 ± 32 | 233.17 ± 2.03 |
| [N II] 6585 | 40.88 ± 0.01 | 288 ± 62 | 120 ± 25 | 51.49 ± 0.51 |
| [S II] 6718 | 40.50 ± 0.01 | 288 ± 62 | 120 ± 25 | 21.91 ± 0.42 |
| [S II] 6732 | 40.45 ± 0.02 | 288 ± 62 | 120 ± 25 | 19.49 ± 0.43 |
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 | 8.32 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.37 |
| Host frac | 0.63 |
| log L5100,Host | 43.24 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.23 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.