LEDA 1052095
Observation
| Spectrum ID | 107903088_sp1 |
|---|---|
| Alt name | g1340153-045332 |
| z | 0.0862 |
| RA, Dec | 205.0640, -4.8921 |
| MJD | 59016.48 |
| SNR/Å B/R | 21.1/34.6 |
| Obs Airmass | 1.21 |
| SMSS ID | 107903088 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.0 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.020 |
| Power law αν | -1.59 ± 0.04 |
| log L5100,AGN | 43.46 ± 0.01 |
| log HβBr/[O III] | -0.14 ± 0.03 |
| log ML5100/M☉ | 8.06 ± 0.02 |
| log MHα/M☉ | 8.01 ± 0.01 |
| log MHβ/M☉ | 7.93 ± 0.03 |
| log M[O III]/M☉ | 8.14 ± 0.02 |
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 | 40.06 ± 0.13 | 228 ± 62 | 144 ± 26 | 1.87 ± 0.34 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 40.06 ± 0.11 | 226 ± 62 | 95 ± 25 | 1.91 ± 0.28 |
| He II Narrow | 39.85 ± 0.17 | 226 ± 62 | 95 ± 25 | 1.19 ± 0.26 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.40 ± 0.05 | 228 ± 62 | 144 ± 26 | 4.28 ± 0.33 |
| Hβ Broad | 41.36 ± 0.02 | 4918 ± 79 | 1818 ± 25 | 39.59 ± 1.32 |
| [O III] 5007 | 41.50 ± 0.01 | 228 ± 62 | 144 ± 26 | 54.79 ± 0.43 |
| He I Narrow | 39.38 ± 0.27 | 226 ± 62 | 95 ± 25 | 0.44 ± 0.19 |
| He I Broad | 40.82 ± 0.05 | 3951 ± 70 | 1678 ± 28 | 12.31 ± 0.84 |
| [O I] 6300 | 40.23 ± 0.04 | 226 ± 62 | 95 ± 25 | 3.24 ± 0.19 |
| Hα Narrow | 41.03 ± 0.01 | 226 ± 62 | 95 ± 25 | 20.96 ± 0.23 |
| Hα Broad | 42.07 ± 0.01 | 5379 ± 66 | 1837 ± 25 | 228.89 ± 1.11 |
| [N II] 6585 | 41.04 ± 0.01 | 226 ± 62 | 95 ± 25 | 21.41 ± 0.22 |
| [S II] 6718 | 40.59 ± 0.02 | 226 ± 62 | 95 ± 25 | 7.58 ± 0.24 |
| [S II] 6732 | 40.55 ± 0.03 | 226 ± 62 | 95 ± 25 | 7.02 ± 0.29 |
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 | 11.74 |
|---|---|
| Hβ Broad SNR | 3.30 |
| Hγ Broad SNR | 0.87 |
| AGN frac | 0.36 |
| Host frac | 0.64 |
| log L5100,Host | 43.72 |
| Fe II/Hβ | 0.29 |
| Fe II/[O III] | 0.21 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.