LEDA 3093949
Observation
| Spectrum ID | 108637133_sp1 |
|---|---|
| Alt name | g1406207-163659 |
| z | 0.0293 |
| RA, Dec | 211.5861, -16.6165 |
| MJD | 60797.47 |
| SNR/Å B/R | 10.9/27.7 |
| Obs Airmass | 1.21 |
| SMSS ID | 108637133 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.9 ± 0.1 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.075 |
| Power law αν | -0.45 ± 0.10 |
| log L5100,AGN | 42.49 ± 0.02 |
| log HβBr/[O III] | 0.02 ± 0.09 |
| log ML5100/M☉ | 7.14 ± 0.11 |
| log MHα/M☉ | 6.47 ± 0.06 |
| log MHβ/M☉ | 6.91 ± 0.13 |
| log M[O III]/M☉ | 7.00 ± 0.13 |
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 | — | — | — | — |
| [O III] 4364 | 38.85 ± 0.41 | 236 ± 63 | 98 ± 25 | 0.92 ± 0.74 |
| He II Narrow | 38.84 ± 0.38 | 236 ± 63 | 98 ± 25 | 1.01 ± 0.63 |
| He II Broad | 39.40 ± 0.32 | 1749 ± 63 | 743 ± 25 | 3.68 ± 1.74 |
| Hβ Narrow | 39.40 ± 0.22 | 277 ± 64 | 378 ± 34 | 3.83 ± 1.38 |
| Hβ Broad | 40.22 ± 0.08 | 2756 ± 354 | 1109 ± 42 | 25.10 ± 2.59 |
| [O III] 5007 | 40.20 ± 0.04 | 277 ± 64 | 378 ± 34 | 25.32 ± 1.46 |
| He I Narrow | 38.27 ± 0.44 | 236 ± 63 | 98 ± 25 | 0.38 ± 0.38 |
| He I Broad | 39.73 ± 0.10 | 3172 ± 63 | 1347 ± 25 | 10.94 ± 1.42 |
| [O I] 6300 | 38.59 ± 0.29 | 236 ± 63 | 98 ± 25 | 0.89 ± 0.39 |
| Hα Narrow | 39.71 ± 0.03 | 236 ± 63 | 98 ± 25 | 12.62 ± 0.46 |
| Hα Broad | 40.87 ± 0.01 | 2122 ± 81 | 856 ± 25 | 182.59 ± 1.54 |
| [N II] 6585 | 39.76 ± 0.03 | 236 ± 63 | 98 ± 25 | 14.25 ± 0.44 |
| [S II] 6718 | 39.34 ± 0.07 | 236 ± 63 | 98 ± 25 | 5.57 ± 0.47 |
| [S II] 6732 | 39.31 ± 0.06 | 236 ± 63 | 98 ± 25 | 5.21 ± 0.49 |
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 | 6.61 |
|---|---|
| Hβ Broad SNR | 1.58 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.25 |
| Host frac | 0.75 |
| log L5100,Host | 42.97 |
| Fe II/Hβ | 0.42 |
| Fe II/[O III] | 0.43 |
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.