LEDA 1040986
Observation
| Spectrum ID | 13137963_sp1 |
|---|---|
| Alt name | g0016379-054425 |
| z | 0.0743 |
| RA, Dec | 4.1580, -5.7402 |
| MJD | 60226.49 |
| SNR/Å B/R | 15.2/23.7 |
| Obs Airmass | 1.19 |
| SMSS ID | 13137963 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.0 ± 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) | 0.027 |
| Power law αν | -0.47 ± 0.13 |
| log L5100,AGN | 43.63 ± 0.02 |
| log HβBr/[O III] | 0.49 ± 0.03 |
| log ML5100/M☉ | 8.10 ± 0.06 |
| log MHα/M☉ | 7.20 ± 0.03 |
| log MHβ/M☉ | 7.93 ± 0.07 |
| log M[O III]/M☉ | 7.84 ± 0.07 |
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 | 40.20 ± 0.14 | 346 ± 64 | 129 ± 25 | 1.46 ± 0.21 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.85 ± 0.20 | 235 ± 62 | 99 ± 25 | 0.66 ± 0.19 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.39 ± 0.13 | 1391 ± 67 | 590 ± 27 | 2.58 ± 0.45 |
| Hβ Narrow | 40.81 ± 0.03 | 346 ± 64 | 129 ± 25 | 7.12 ± 0.22 |
| Hβ Broad | 41.43 ± 0.03 | 4735 ± 338 | 1861 ± 33 | 29.61 ± 0.96 |
| [O III] 5007 | 40.94 ± 0.02 | 346 ± 64 | 129 ± 25 | 10.12 ± 0.25 |
| He I Narrow | 39.27 ± 0.42 | 235 ± 62 | 99 ± 25 | 0.28 ± 0.20 |
| He I Broad | 40.23 ± 0.14 | 1204 ± 66 | 511 ± 27 | 2.46 ± 0.42 |
| [O I] 6300 | 40.07 ± 0.07 | 235 ± 62 | 99 ± 25 | 1.92 ± 0.17 |
| Hα Narrow | 41.43 ± 0.01 | 235 ± 62 | 99 ± 25 | 46.92 ± 0.28 |
| Hα Broad | 41.92 ± 0.01 | 2353 ± 66 | 1032 ± 32 | 145.43 ± 1.22 |
| [N II] 6585 | 41.19 ± 0.01 | 235 ± 62 | 99 ± 25 | 26.95 ± 0.25 |
| [S II] 6718 | 40.79 ± 0.02 | 235 ± 62 | 99 ± 25 | 11.22 ± 0.22 |
| [S II] 6732 | 40.57 ± 0.02 | 235 ± 62 | 99 ± 25 | 6.68 ± 0.27 |
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 | 14.36 |
|---|---|
| Hβ Broad SNR | 3.53 |
| Hγ Broad SNR | 0.97 |
| AGN frac | 0.67 |
| Host frac | 0.33 |
| log L5100,Host | 43.33 |
| Fe II/Hβ | 1.07 |
| Fe II/[O III] | 3.27 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 2 |
hb_width | 0 |
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.