LEDA 182460
Observation
| Spectrum ID | 92497895_sp1 |
|---|---|
| Alt name | g1054208-092157 |
| z | 0.0634 |
| RA, Dec | 163.5869, -9.3657 |
| MJD | 60018.57 |
| SNR/Å B/R | 13.8/31.7 |
| Obs Airmass | 1.08 |
| SMSS ID | 92497895 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 12.0 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.026 |
| Power law αν | 0.12 ± 0.13 |
| log L5100,AGN | 43.35 ± 0.02 |
| log HβBr/[O III] | 0.38 ± 0.33 |
| log ML5100/M☉ | 7.31 ± 0.02 |
| log MHα/M☉ | 6.93 ± 0.03 |
| log MHβ/M☉ | 7.11 ± 0.16 |
| log M[O III]/M☉ | 7.06 ± 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 | — | — | — | — |
| [O III] 4364 | 39.94 ± 0.19 | 352 ± 63 | 148 ± 25 | 1.42 ± 0.36 |
| He II Narrow | 39.43 ± 0.40 | 352 ± 63 | 148 ± 25 | 0.51 ± 0.35 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.13 ± 0.15 | 372 ± 64 | 281 ± 56 | 2.76 ± 0.68 |
| Hβ Broad | 41.10 +0.60−0.04 | 2202 ± 35 | 795 ± 25 | 26.14 ± 1.01 |
| [O III] 5007 | 40.72 ± 0.05 | 372 ± 64 | 281 ± 56 | 11.41 ± 0.74 |
| He I Narrow | 39.61 ± 0.15 | 352 ± 63 | 148 ± 25 | 1.25 ± 0.26 |
| He I Broad | 40.71 ± 0.05 | 4036 ± 65 | 1714 ± 26 | 15.79 ± 0.94 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 40.81 ± 0.02 | 352 ± 63 | 148 ± 25 | 25.33 ± 0.38 |
| Hα Broad | 41.77 ± 0.01 | 1911 ± 72 | 1044 ± 25 | 228.67 ± 1.17 |
| [N II] 6585 | 40.69 ± 0.02 | 352 ± 63 | 148 ± 25 | 19.38 ± 0.36 |
| [S II] 6718 | 39.94 ± 0.07 | 352 ± 63 | 148 ± 25 | 3.58 ± 0.36 |
| [S II] 6732 | 40.01 ± 0.06 | 352 ± 63 | 148 ± 25 | 4.26 ± 0.39 |
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 | 14.15 |
|---|---|
| Hβ Broad SNR | 4.43 |
| Hγ Broad SNR | 0.63 |
| AGN frac | 0.47 |
| Host frac | 0.53 |
| log L5100,Host | 43.41 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 1 |
balmer | 0 |
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.