LEDA 1069761
Observation
| Spectrum ID | 4585382_sp1 |
|---|---|
| Alt name | g2108089-033303 |
| z | 0.0679 |
| RA, Dec | 317.0369, -3.5509 |
| MJD | 60450.8 |
| SNR/Å B/R | 9.7/17.0 |
| Obs Airmass | 1.13 |
| SMSS ID | 4585382 |
| Closest SMSS | 11.81'', 4585383 |
| SMSS Mean r6"ap | 16.1 ± 0.0 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.064 |
| Power law αν | -1.16 ± 0.06 |
| log L5100,AGN | 43.60 ± 0.02 |
| log HβBr/[O III] | -0.07 ± 0.02 |
| log ML5100/M☉ | 7.27 ± 0.05 |
| log MHα/M☉ | 7.22 ± 0.03 |
| log MHβ/M☉ | 7.26 ± 0.05 |
| log M[O III]/M☉ | 7.45 ± 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 | 40.14 ± 0.37 | 418 ± 63 | 464 ± 26 | 1.55 ± 0.78 |
| Hγ Broad | 41.25 ± 0.06 | 2091 ± 468 | 954 ± 83 | 20.12 ± 1.21 |
| [O III] 4364 | 39.98 ± 0.26 | 345 ± 63 | 146 ± 25 | 1.08 ± 0.40 |
| He II Narrow | 40.11 ± 0.16 | 345 ± 63 | 146 ± 25 | 1.53 ± 0.37 |
| He II Broad | 41.54 ± 0.05 | 17659 ± 63 | 7499 ± 25 | 41.61 ± 2.85 |
| Hβ Narrow | 40.83 ± 0.10 | 418 ± 63 | 464 ± 26 | 8.33 ± 0.75 |
| Hβ Broad | 41.75 ± 0.02 | 1861 ± 99 | 1255 ± 50 | 70.21 ± 1.52 |
| [O III] 5007 | 41.82 ± 0.01 | 418 ± 63 | 464 ± 26 | 84.10 ± 0.83 |
| He I Narrow | 40.03 ± 0.12 | 345 ± 63 | 146 ± 25 | 1.56 ± 0.25 |
| He I Broad | 40.78 ± 0.06 | 2447 ± 168 | 1039 ± 71 | 8.74 ± 0.67 |
| [O I] 6300 | 40.31 ± 0.05 | 345 ± 63 | 146 ± 25 | 3.11 ± 0.24 |
| Hα Narrow | 41.18 ± 0.02 | 345 ± 63 | 146 ± 25 | 24.15 ± 0.33 |
| Hα Broad | 42.27 ± 0.01 | 1892 ± 64 | 912 ± 25 | 296.57 ± 1.29 |
| [N II] 6585 | 40.96 ± 0.02 | 345 ± 63 | 146 ± 25 | 14.55 ± 0.30 |
| [S II] 6718 | 40.73 ± 0.02 | 345 ± 63 | 146 ± 25 | 8.68 ± 0.31 |
| [S II] 6732 | 40.80 ± 0.02 | 345 ± 63 | 146 ± 25 | 10.22 ± 0.34 |
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 | 28.37 |
|---|---|
| Hβ Broad SNR | 9.94 |
| Hγ Broad SNR | 3.95 |
| AGN frac | 0.72 |
| Host frac | 0.28 |
| log L5100,Host | 43.19 |
| Fe II/Hβ | 0.38 |
| Fe II/[O III] | 0.32 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 1 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.