LEDA 929778
Observation
| Spectrum ID | 91196205_sp1 |
|---|---|
| Alt name | g1046171-140228 |
| z | 0.0677 |
| RA, Dec | 161.5713, -14.0410 |
| MJD | 60352.64 |
| SNR/Å B/R | 16.7/23.2 |
| Obs Airmass | 1.05 |
| SMSS ID | 91196205 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.052 |
| Power law αν | -0.13 ± 0.22 |
| log L5100,AGN | 43.41 ± 0.05 |
| log HβBr/[O III] | 0.58 ± 0.03 |
| log ML5100/M☉ | 7.48 ± 0.05 |
| log MHα/M☉ | 7.14 ± 0.03 |
| log MHβ/M☉ | 7.46 ± 0.05 |
| log M[O III]/M☉ | 7.34 ± 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 | 40.00 ± 0.28 | 439 ± 63 | 347 ± 49 | 1.48 ± 0.62 |
| Hγ Broad | 40.95 ± 0.06 | 2172 ± 612 | 951 ± 71 | 13.30 ± 0.90 |
| [O III] 4364 | 39.74 ± 0.31 | 423 ± 63 | 179 ± 25 | 0.82 ± 0.43 |
| He II Narrow | 39.66 ± 0.26 | 423 ± 63 | 179 ± 25 | 0.77 ± 0.34 |
| He II Broad | 41.16 ± 0.05 | 8935 ± 267 | 3794 ± 113 | 24.80 ± 1.58 |
| Hβ Narrow | 40.49 ± 0.08 | 439 ± 63 | 347 ± 48 | 5.59 ± 0.63 |
| Hβ Broad | 41.56 ± 0.02 | 2606 ± 118 | 1641 ± 58 | 66.18 ± 1.49 |
| [O III] 5007 | 40.98 ± 0.03 | 439 ± 63 | 347 ± 48 | 18.55 ± 0.68 |
| He I Narrow | 39.50 ± 0.31 | 423 ± 63 | 179 ± 25 | 0.83 ± 0.38 |
| He I Broad | 40.71 ± 0.07 | 3229 ± 183 | 1371 ± 77 | 13.29 ± 1.14 |
| [O I] 6300 | 39.58 ± 0.23 | 423 ± 63 | 179 ± 25 | 1.14 ± 0.41 |
| Hα Narrow | 41.20 ± 0.02 | 423 ± 63 | 179 ± 25 | 51.25 ± 0.63 |
| Hα Broad | 41.86 ± 0.01 | 2290 ± 71 | 1019 ± 49 | 229.56 ± 2.32 |
| [N II] 6585 | 41.03 ± 0.02 | 423 ± 63 | 179 ± 25 | 34.09 ± 0.61 |
| [S II] 6718 | 40.48 ± 0.04 | 423 ± 63 | 179 ± 25 | 10.12 ± 0.62 |
| [S II] 6732 | 40.28 ± 0.07 | 423 ± 63 | 179 ± 25 | 6.34 ± 0.65 |
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 | 15.31 |
|---|---|
| Hβ Broad SNR | 7.53 |
| Hγ Broad SNR | 3.17 |
| AGN frac | 0.45 |
| Host frac | 0.55 |
| log L5100,Host | 43.49 |
| Fe II/Hβ | 0.61 |
| Fe II/[O III] | 2.30 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 1 |
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.