LEDA 3082455
Observation
| Spectrum ID | 110386023_sp1 |
|---|---|
| Alt name | g1421022-052239 |
| z | 0.0802 |
| RA, Dec | 215.2589, -5.3775 |
| MJD | 59434.39 |
| SNR/Å B/R | 29.7/41.8 |
| Obs Airmass | 1.30 |
| SMSS ID | 110386023 |
| Closest SMSS | 6.92'', 2178208142 |
| SMSS Mean r6"ap | 15.9 ± 0.1 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.038 |
| Power law αν | 0.16 ± 0.07 |
| log L5100,AGN | 43.99 ± 0.01 |
| log HβBr/[O III] | 0.43 ± 0.31 |
| log ML5100/M☉ | 8.57 ± 0.01 |
| log MHα/M☉ | 8.46 ± 0.02 |
| log MHβ/M☉ | 8.36 ± 0.14 |
| log M[O III]/M☉ | 8.31 ± 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 | 40.11 ± 0.20 | 368 ± 63 | 217 ± 29 | 0.48 ± 0.15 |
| Hγ Broad | 41.79 ± 0.05 | 12989 ± 2132 | 5856 ± 187 | 22.88 ± 0.86 |
| [O III] 4364 | 39.62 ± 0.39 | 355 ± 63 | 150 ± 25 | 0.16 ± 0.11 |
| He II Narrow | 39.88 ± 0.25 | 355 ± 63 | 150 ± 25 | 0.33 ± 0.12 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.62 ± 0.06 | 368 ± 63 | 217 ± 29 | 1.98 ± 0.17 |
| Hβ Broad | 41.69 +0.57−0.03 | 6874 ± 81 | 2501 ± 35 | 22.64 ± 0.62 |
| [O III] 5007 | 41.25 ± 0.02 | 368 ± 63 | 217 ± 29 | 9.01 ± 0.20 |
| He I Narrow | 39.52 ± 0.29 | 355 ± 63 | 150 ± 25 | 0.24 ± 0.10 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.35 ± 0.34 | 355 ± 63 | 150 ± 25 | 0.18 ± 0.11 |
| Hα Narrow | 41.11 ± 0.01 | 355 ± 63 | 150 ± 25 | 11.72 ± 0.15 |
| Hα Broad | 42.42 ± 0.01 | 7051 ± 79 | 3026 ± 32 | 235.48 ± 1.04 |
| [N II] 6585 | 40.76 ± 0.02 | 355 ± 63 | 150 ± 25 | 5.26 ± 0.15 |
| [S II] 6718 | 40.31 ± 0.06 | 355 ± 63 | 150 ± 25 | 1.92 ± 0.18 |
| [S II] 6732 | 40.13 ± 0.09 | 355 ± 63 | 150 ± 25 | 1.29 ± 0.18 |
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 | 12.87 |
|---|---|
| Hβ Broad SNR | 3.60 |
| Hγ Broad SNR | 2.45 |
| AGN frac | 0.68 |
| Host frac | 0.32 |
| log L5100,Host | 43.66 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
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.