LEDA 1044676
Observation
| Spectrum ID | 22116718_sp1 |
|---|---|
| Alt name | g0351076-052637 |
| z | 0.0689 |
| RA, Dec | 57.7817, -5.4437 |
| MJD | 60260.58 |
| SNR/Å B/R | 9.7/14.8 |
| Obs Airmass | 1.13 |
| SMSS ID | 22116718 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.0 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.086 |
| Power law αν | 0.23 ± 0.18 |
| log L5100,AGN | 43.44 ± 0.03 |
| log HβBr/[O III] | 0.33 ± 0.06 |
| log ML5100/M☉ | 7.34 ± 0.07 |
| log MHα/M☉ | 6.70 ± 0.04 |
| log MHβ/M☉ | 7.22 ± 0.08 |
| log M[O III]/M☉ | 7.20 ± 0.08 |
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 | 40.17 ± 0.42 | 531 ± 81 | 512 ± 31 | 1.96 ± 1.11 |
| Hγ Broad | 40.84 ± 0.10 | 1308 ± 100 | 470 ± 39 | 8.47 ± 1.14 |
| [O III] 4364 | 39.69 ± 0.40 | 372 ± 63 | 157 ± 25 | 0.65 ± 0.45 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.77 ± 0.11 | 3815 ± 63 | 1620 ± 25 | 9.07 ± 1.36 |
| Hβ Narrow | 40.99 ± 0.10 | 531 ± 81 | 512 ± 31 | 16.34 ± 0.91 |
| Hβ Broad | 41.36 ± 0.05 | 2172 ± 173 | 1435 ± 137 | 38.72 ± 1.90 |
| [O III] 5007 | 41.03 ± 0.03 | 531 ± 81 | 512 ± 31 | 19.46 ± 0.95 |
| He I Narrow | 39.37 ± 0.43 | 372 ± 63 | 157 ± 25 | 0.60 ± 0.42 |
| He I Broad | 40.43 ± 0.11 | 1731 ± 64 | 735 ± 26 | 6.98 ± 1.10 |
| [O I] 6300 | 39.64 ± 0.23 | 372 ± 63 | 157 ± 25 | 1.31 ± 0.44 |
| Hα Narrow | 41.05 ± 0.03 | 372 ± 63 | 157 ± 25 | 37.27 ± 0.69 |
| Hα Broad | 41.88 ± 0.01 | 1357 ± 64 | 604 ± 25 | 251.30 ± 1.72 |
| [N II] 6585 | 40.58 ± 0.04 | 372 ± 63 | 157 ± 25 | 12.66 ± 0.60 |
| [S II] 6718 | 40.20 ± 0.08 | 372 ± 63 | 157 ± 25 | 5.47 ± 0.63 |
| [S II] 6732 | 40.13 ± 0.09 | 372 ± 63 | 157 ± 25 | 4.71 ± 0.61 |
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 | 18.41 |
|---|---|
| Hβ Broad SNR | 4.00 |
| Hγ Broad SNR | 2.96 |
| AGN frac | 0.58 |
| Host frac | 0.42 |
| log L5100,Host | 43.29 |
| Fe II/Hβ | 1.48 |
| Fe II/[O III] | 3.15 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
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.