LEDA 1050619
Observation
| Spectrum ID | 110399311_sp1 |
|---|---|
| Alt name | g1423582-050009 |
| z | 0.0557 |
| RA, Dec | 215.9924, -5.0024 |
| MJD | 59726.55 |
| SNR/Å B/R | 11.7/24.3 |
| Obs Airmass | 1.15 |
| SMSS ID | 110399311 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.8 ± 0.0 |
| 2MASS Kext | 12.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.050 |
| Power law αν | -1.24 ± 0.08 |
| log L5100,AGN | 43.01 ± 0.02 |
| log HβBr/[O III] | -0.21 ± 0.02 |
| log ML5100/M☉ | 8.12 ± 0.06 |
| log MHα/M☉ | 7.62 ± 0.02 |
| log MHβ/M☉ | 8.17 ± 0.07 |
| log M[O III]/M☉ | 8.42 ± 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 | 40.16 ± 0.07 | 251 ± 62 | 179 ± 25 | 6.34 ± 0.74 |
| Hγ Broad | 40.31 ± 0.15 | 2143 ± 490 | 886 ± 108 | 8.22 ± 1.54 |
| [O III] 4364 | 39.84 ± 0.10 | 230 ± 62 | 96 ± 25 | 3.05 ± 0.44 |
| He II Narrow | 39.65 ± 0.15 | 230 ± 62 | 96 ± 25 | 2.10 ± 0.39 |
| He II Broad | 40.19 ± 0.12 | 1554 ± 80 | 660 ± 33 | 7.10 ± 1.02 |
| Hβ Narrow | 40.54 ± 0.03 | 251 ± 62 | 179 ± 25 | 16.71 ± 0.69 |
| Hβ Broad | 41.32 ± 0.02 | 6651 ± 442 | 2616 ± 48 | 99.86 ± 2.28 |
| [O III] 5007 | 41.53 ± 0.01 | 251 ± 62 | 179 ± 25 | 165.89 ± 0.74 |
| He I Narrow | 38.98 ± 0.30 | 230 ± 62 | 96 ± 25 | 0.53 ± 0.22 |
| He I Broad | 39.95 ± 0.11 | 1895 ± 78 | 804 ± 32 | 4.78 ± 0.67 |
| [O I] 6300 | 39.85 ± 0.04 | 230 ± 62 | 96 ± 25 | 4.18 ± 0.24 |
| Hα Narrow | 40.88 ± 0.01 | 230 ± 62 | 96 ± 25 | 45.80 ± 0.33 |
| Hα Broad | 41.74 ± 0.01 | 4352 ± 94 | 1851 ± 25 | 328.54 ± 1.41 |
| [N II] 6585 | 40.70 ± 0.01 | 230 ± 62 | 96 ± 25 | 30.22 ± 0.31 |
| [S II] 6718 | 40.46 ± 0.01 | 230 ± 62 | 96 ± 25 | 17.88 ± 0.27 |
| [S II] 6732 | 40.33 ± 0.01 | 230 ± 62 | 96 ± 25 | 13.15 ± 0.26 |
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 | 11.56 |
|---|---|
| Hβ Broad SNR | 4.25 |
| Hγ Broad SNR | 1.37 |
| AGN frac | 0.43 |
| Host frac | 0.57 |
| log L5100,Host | 43.13 |
| Fe II/Hβ | 0.24 |
| Fe II/[O III] | 0.15 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
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.