LEDA 170249
Observation
| Spectrum ID | 105062113_sp1 |
|---|---|
| Alt name | g1327127-245141 |
| z | 0.0400 |
| RA, Dec | 201.8031, -24.8613 |
| MJD | 60353.74 |
| SNR/Å B/R | 20.0/28.8 |
| Obs Airmass | 1.01 |
| SMSS ID | 105062113 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.0 ± 0.0 |
| 2MASS Kext | 11.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.065 |
| Power law αν | -1.19 ± 0.19 |
| log L5100,AGN | 43.19 ± 0.02 |
| log HβBr/[O III] | 0.37 ± 0.01 |
| log ML5100/M☉ | 7.30 ± 0.03 |
| log MHα/M☉ | 7.10 ± 0.03 |
| log MHβ/M☉ | 7.32 ± 0.03 |
| log M[O III]/M☉ | 7.28 ± 0.03 |
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 | 40.02 ± 0.08 | 276 ± 63 | 256 ± 29 | 2.99 ± 0.39 |
| Hγ Broad | 40.98 ± 0.02 | 2408 ± 136 | 878 ± 34 | 28.01 ± 0.68 |
| [O III] 4364 | 39.56 ± 0.15 | 246 ± 63 | 104 ± 25 | 1.04 ± 0.21 |
| He II Narrow | 39.56 ± 0.12 | 246 ± 63 | 104 ± 25 | 1.12 ± 0.19 |
| He II Broad | 41.04 ± 0.04 | 17656 ± 63 | 7498 ± 25 | 33.76 ± 1.77 |
| Hβ Narrow | 40.25 ± 0.04 | 276 ± 63 | 256 ± 29 | 5.59 ± 0.39 |
| Hβ Broad | 41.44 ± 0.01 | 2343 ± 50 | 1167 ± 27 | 87.30 ± 0.87 |
| [O III] 5007 | 41.07 ± 0.01 | 276 ± 63 | 256 ± 29 | 37.83 ± 0.40 |
| He I Narrow | 39.14 ± 0.23 | 246 ± 63 | 104 ± 25 | 0.51 ± 0.17 |
| He I Broad | 40.68 ± 0.03 | 3097 ± 104 | 1315 ± 43 | 17.80 ± 0.62 |
| [O I] 6300 | 39.85 ± 0.05 | 246 ± 63 | 104 ± 25 | 2.78 ± 0.19 |
| Hα Narrow | 40.70 ± 0.01 | 246 ± 63 | 104 ± 25 | 20.14 ± 0.29 |
| Hα Broad | 41.93 ± 0.01 | 2087 ± 63 | 908 ± 26 | 340.80 ± 1.10 |
| [N II] 6585 | 40.52 ± 0.02 | 246 ± 63 | 104 ± 25 | 13.51 ± 0.26 |
| [S II] 6718 | 40.21 ± 0.02 | 246 ± 63 | 104 ± 25 | 6.65 ± 0.21 |
| [S II] 6732 | 40.11 ± 0.03 | 246 ± 63 | 104 ± 25 | 5.35 ± 0.21 |
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 | 46.71 |
|---|---|
| Hβ Broad SNR | 16.43 |
| Hγ Broad SNR | 7.59 |
| AGN frac | 0.52 |
| Host frac | 0.48 |
| log L5100,Host | 43.16 |
| Fe II/Hβ | 0.34 |
| Fe II/[O III] | 0.80 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
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.