LEDA 1018194
Observation
| Spectrum ID | 89293843_sp1 |
|---|---|
| Alt name | g0915324-072906 |
| z | 0.0462 |
| RA, Dec | 138.8849, -7.4849 |
| MJD | 60383.49 |
| SNR/Å B/R | 12.8/19.4 |
| Obs Airmass | 1.09 |
| SMSS ID | 89293843 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.9 ± 0.0 |
| 2MASS Kext | 12.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.038 |
| Power law αν | -0.60 ± 0.16 |
| log L5100,AGN | 42.15 ± 0.05 |
| log HβBr/[O III] | <-0.30 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.52 ± 0.06 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | 39.03 ± 0.30 | 259 ± 63 | 114 ± 26 | 3.10 ± 1.90 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.29 ± 0.17 | 258 ± 62 | 108 ± 25 | 6.27 ± 1.45 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.59 ± 0.08 | 259 ± 63 | 115 ± 26 | 13.25 ± 2.03 |
| Hβ Broad | <39.99 | — | — | — |
| [O III] 5007 | 40.29 ± 0.02 | 259 ± 63 | 115 ± 26 | 69.28 ± 2.83 |
| He I Narrow | 38.52 ± 0.48 | 258 ± 62 | 108 ± 25 | 1.46 ± 1.36 |
| He I Broad | 39.69 ± 0.21 | 4010 ± 62 | 1703 ± 25 | 21.96 ± 5.47 |
| [O I] 6300 | 39.08 ± 0.22 | 258 ± 62 | 108 ± 25 | 5.96 ± 1.57 |
| Hα Narrow | 40.29 ± 0.02 | 258 ± 62 | 108 ± 25 | 100.18 ± 2.18 |
| Hα Broad | 40.75 ± 0.02 | 2443 ± 75 | 915 ± 25 | 287.42 ± 5.60 |
| [N II] 6585 | 39.77 ± 0.05 | 258 ± 62 | 108 ± 25 | 30.66 ± 1.88 |
| [S II] 6718 | 39.46 ± 0.08 | 258 ± 62 | 108 ± 25 | 15.39 ± 1.60 |
| [S II] 6732 | 39.44 ± 0.08 | 258 ± 62 | 108 ± 25 | 14.71 ± 1.93 |
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 | 4.40 |
|---|---|
| Hβ Broad SNR | 0.52 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.11 |
| Host frac | 0.89 |
| log L5100,Host | 43.04 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.