LEDA 184063
Observation
| Spectrum ID | 105169587_sp1 |
|---|---|
| Alt name | g1344330-225801 |
| z | 0.0792 |
| RA, Dec | 206.1373, -22.9671 |
| MJD | 59726.48 |
| SNR/Å B/R | 8.4/17.0 |
| Obs Airmass | 1.01 |
| SMSS ID | 105169587 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.9 ± 0.1 |
| 2MASS Kext | 13.0 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.065 |
| Power law αν | 0.22 ± 0.22 |
| log L5100,AGN | 42.91 ± 0.04 |
| log HβBr/[O III] | 0.33 ± 0.05 |
| log ML5100/M☉ | 8.83 ± 0.06 |
| log MHα/M☉ | 8.37 ± 0.03 |
| log MHβ/M☉ | 8.95 ± 0.06 |
| log M[O III]/M☉ | 8.93 ± 0.06 |
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 | 39.63 ± 0.33 | 364 ± 63 | 310 ± 42 | 1.89 ± 1.56 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.88 ± 0.18 | 348 ± 63 | 147 ± 25 | 3.40 ± 0.89 |
| He II Narrow | 39.46 ± 0.36 | 348 ± 63 | 147 ± 25 | 1.52 ± 0.85 |
| He II Broad | 39.62 ± 0.42 | 1188 ± 64 | 504 ± 25 | 2.15 ± 1.59 |
| Hβ Narrow | 40.30 ± 0.07 | 364 ± 63 | 311 ± 42 | 11.39 ± 1.81 |
| Hβ Broad | 41.39 ± 0.04 | 15721 ± 921 | 6103 ± 76 | 138.45 ± 7.11 |
| [O III] 5007 | 41.06 ± 0.02 | 364 ± 63 | 311 ± 42 | 70.01 ± 2.07 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.23 ± 0.17 | 6085 ± 97 | 2584 ± 40 | 14.79 ± 3.17 |
| [O I] 6300 | 39.93 ± 0.07 | 348 ± 63 | 147 ± 25 | 8.60 ± 0.84 |
| Hα Narrow | 40.93 ± 0.01 | 348 ± 63 | 147 ± 25 | 95.06 ± 1.06 |
| Hα Broad | 41.82 ± 0.01 | 9711 ± 287 | 4078 ± 47 | 743.50 ± 7.83 |
| [N II] 6585 | 40.84 ± 0.01 | 348 ± 63 | 147 ± 25 | 76.44 ± 1.04 |
| [S II] 6718 | 40.38 ± 0.03 | 348 ± 63 | 147 ± 25 | 28.23 ± 1.45 |
| [S II] 6732 | 40.16 ± 0.05 | 348 ± 63 | 147 ± 25 | 17.09 ± 1.42 |
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 | 4.17 |
|---|---|
| Hβ Broad SNR | 1.37 |
| Hγ Broad SNR | 0.57 |
| AGN frac | 0.32 |
| Host frac | 0.68 |
| log L5100,Host | 43.23 |
| Fe II/Hβ | 0.12 |
| Fe II/[O III] | 0.26 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 0 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.