LEDA 922369
Observation
| Spectrum ID | 105589841_sp1 |
|---|---|
| Alt name | g1316092-143641 |
| z | 0.0810 |
| RA, Dec | 199.0382, -14.6115 |
| MJD | 60018.68 |
| SNR/Å B/R | 8.0/18.2 |
| Obs Airmass | 1.05 |
| SMSS ID | 105589841 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.0 ± 0.2 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.079 |
| Power law αν | -1.49 ± 0.22 |
| log L5100,AGN | 43.31 ± 0.04 |
| log HβBr/[O III] | 0.85 ± 0.05 |
| log ML5100/M☉ | 8.70 ± 0.03 |
| log MHα/M☉ | 8.66 ± 0.01 |
| log MHβ/M☉ | 8.78 ± 0.03 |
| log M[O III]/M☉ | 8.52 ± 0.05 |
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 | 40.49 ± 0.18 | 1354 ± 167 | 521 ± 46 | 6.55 ± 1.61 |
| [O III] 4364 | 39.63 ± 0.35 | 215 ± 63 | 90 ± 25 | 0.99 ± 0.60 |
| He II Narrow | — | — | — | — |
| He II Broad | 39.91 ± 0.42 | 1546 ± 63 | 657 ± 25 | 1.93 ± 1.46 |
| Hβ Narrow | 39.61 ± 0.42 | 251 ± 65 | 169 ± 28 | 0.97 ± 0.90 |
| Hβ Broad | 41.69 ± 0.03 | 11077 ± 285 | 4157 ± 26 | 118.56 ± 4.53 |
| [O III] 5007 | 40.84 ± 0.04 | 251 ± 65 | 169 ± 28 | 17.24 ± 0.94 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.97 ± 0.09 | 215 ± 63 | 90 ± 25 | 2.57 ± 0.30 |
| Hα Narrow | 40.31 ± 0.05 | 215 ± 63 | 90 ± 25 | 5.80 ± 0.33 |
| Hα Broad | 42.22 ± 0.01 | 10245 ± 68 | 3814 ± 25 | 471.10 ± 2.91 |
| [N II] 6585 | 40.38 ± 0.04 | 215 ± 63 | 90 ± 25 | 6.77 ± 0.33 |
| [S II] 6718 | 40.12 ± 0.07 | 215 ± 63 | 90 ± 25 | 3.81 ± 0.41 |
| [S II] 6732 | 40.14 ± 0.09 | 215 ± 63 | 90 ± 25 | 3.97 ± 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 | 6.08 |
|---|---|
| Hβ Broad SNR | 2.29 |
| Hγ Broad SNR | 1.26 |
| AGN frac | 0.47 |
| Host frac | 0.53 |
| log L5100,Host | 43.37 |
| Fe II/Hβ | 0.09 |
| Fe II/[O III] | 0.64 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 1 |
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.