LEDA 1052095
Observation
| Spectrum ID | 107903088_sp2 |
|---|---|
| Alt name | g1340153-045332 |
| z | 0.0862 |
| RA, Dec | 205.0640, -4.8921 |
| MJD | 59308.49 |
| SNR/Å B/R | 18.3/31.4 |
| Obs Airmass | 1.61 |
| 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 | -0.10 ± 0.17 |
| log L5100,AGN | 43.46 ± 0.02 |
| log HβBr/[O III] | 0.22 ± 0.02 |
| log ML5100/M☉ | 8.26 ± 0.03 |
| log MHα/M☉ | 8.01 ± 0.01 |
| log MHβ/M☉ | 8.29 ± 0.03 |
| log M[O III]/M☉ | 8.34 ± 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 | 40.09 ± 0.16 | 217 ± 62 | 249 ± 30 | 1.59 ± 0.58 |
| Hγ Broad | 41.12 ± 0.06 | 3527 ± 126 | 1268 ± 33 | 16.68 ± 1.13 |
| [O III] 4364 | 39.62 ± 0.32 | 216 ± 62 | 88 ± 25 | 0.54 ± 0.26 |
| He II Narrow | 39.49 ± 0.39 | 216 ± 62 | 88 ± 25 | 0.46 ± 0.25 |
| He II Broad | 40.33 ± 0.15 | 1178 ± 62 | 500 ± 25 | 3.22 ± 0.62 |
| Hβ Narrow | 40.47 ± 0.06 | 217 ± 62 | 249 ± 30 | 4.74 ± 0.65 |
| Hβ Broad | 41.72 ± 0.02 | 6202 ± 160 | 2344 ± 27 | 83.32 ± 1.66 |
| [O III] 5007 | 41.50 ± 0.01 | 217 ± 62 | 249 ± 30 | 53.39 ± 0.74 |
| He I Narrow | 39.12 ± 0.40 | 216 ± 62 | 88 ± 25 | 0.30 ± 0.22 |
| He I Broad | 40.96 ± 0.04 | 4384 ± 71 | 1861 ± 29 | 20.78 ± 1.12 |
| [O I] 6300 | 40.28 ± 0.04 | 216 ± 62 | 88 ± 25 | 5.03 ± 0.27 |
| Hα Narrow | 41.01 ± 0.01 | 216 ± 62 | 88 ± 25 | 28.98 ± 0.34 |
| Hα Broad | 42.18 ± 0.01 | 4988 ± 67 | 1857 ± 25 | 429.62 ± 1.86 |
| [N II] 6585 | 40.97 ± 0.01 | 216 ± 62 | 88 ± 25 | 26.73 ± 0.35 |
| [S II] 6718 | 40.62 ± 0.02 | 216 ± 62 | 88 ± 25 | 12.29 ± 0.41 |
| [S II] 6732 | 40.35 ± 0.05 | 216 ± 62 | 88 ± 25 | 6.60 ± 0.45 |
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 | 13.45 |
|---|---|
| Hβ Broad SNR | 5.07 |
| Hγ Broad SNR | 2.53 |
| AGN frac | 0.37 |
| Host frac | 0.63 |
| log L5100,Host | 43.69 |
| Fe II/Hβ | 0.27 |
| Fe II/[O III] | 0.44 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.