LEDA 83771
Observation
| Spectrum ID | 105543953_sp1 |
|---|---|
| Alt name | g1303222-134133 |
| z | 0.0468 |
| RA, Dec | 195.8426, -13.6926 |
| MJD | 61090.71 |
| SNR/Å B/R | 11.7/18.7 |
| Obs Airmass | 1.05 |
| SMSS ID | 105543953 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.2 ± 0.1 |
| 2MASS Kext | 11.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.040 |
| Power law αν | 0.40 ± 0.08 |
| log L5100,AGN | 43.31 ± 0.02 |
| log HβBr/[O III] | 0.49 ± 0.02 |
| log ML5100/M☉ | 8.20 ± 0.02 |
| log MHα/M☉ | 8.08 ± 0.02 |
| log MHβ/M☉ | 8.29 ± 0.03 |
| log M[O III]/M☉ | 8.20 ± 0.03 |
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 | 39.87 ± 0.23 | 364 ± 63 | 353 ± 29 | 1.27 ± 0.55 |
| Hγ Broad | 41.20 ± 0.04 | 5480 ± 591 | 2196 ± 71 | 26.35 ± 1.26 |
| [O III] 4364 | 39.71 ± 0.23 | 340 ± 63 | 144 ± 25 | 0.89 ± 0.28 |
| He II Narrow | 39.30 ± 0.38 | 340 ± 63 | 144 ± 25 | 0.41 ± 0.27 |
| He II Broad | 40.76 ± 0.07 | 5461 ± 139 | 2319 ± 58 | 11.68 ± 1.09 |
| Hβ Narrow | 40.42 ± 0.05 | 364 ± 63 | 353 ± 28 | 5.82 ± 0.58 |
| Hβ Broad | 41.69 ± 0.01 | 6269 ± 123 | 2341 ± 31 | 107.47 ± 1.28 |
| [O III] 5007 | 41.20 ± 0.01 | 364 ± 63 | 354 ± 28 | 37.94 ± 0.61 |
| He I Narrow | 39.42 ± 0.22 | 340 ± 63 | 144 ± 25 | 0.92 ± 0.27 |
| He I Broad | 41.10 ± 0.03 | 6828 ± 81 | 2899 ± 33 | 44.41 ± 1.47 |
| [O I] 6300 | 39.82 ± 0.08 | 340 ± 63 | 144 ± 25 | 2.74 ± 0.31 |
| Hα Narrow | 40.97 ± 0.01 | 340 ± 63 | 144 ± 25 | 42.31 ± 0.58 |
| Hα Broad | 42.27 ± 0.01 | 5054 ± 66 | 2264 ± 46 | 843.00 ± 2.74 |
| [N II] 6585 | 40.52 ± 0.03 | 340 ± 63 | 144 ± 25 | 15.21 ± 0.69 |
| [S II] 6718 | 40.28 ± 0.03 | 340 ± 63 | 144 ± 25 | 9.23 ± 0.39 |
| [S II] 6732 | 40.18 ± 0.04 | 340 ± 63 | 144 ± 25 | 7.43 ± 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 | 23.69 |
|---|---|
| Hβ Broad SNR | 7.62 |
| Hγ Broad SNR | 3.14 |
| AGN frac | 0.70 |
| Host frac | 0.30 |
| log L5100,Host | 42.95 |
| Fe II/Hβ | 0.19 |
| Fe II/[O III] | 0.58 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
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.