LEDA 199132
Observation
| Spectrum ID | 2032037_sp1 |
|---|---|
| Alt name | g2236450-335116 |
| z | 0.0287 |
| RA, Dec | 339.1874, -33.8544 |
| MJD | 60171.57 |
| SNR/Å B/R | 18.9/33.8 |
| Obs Airmass | 1.05 |
| SMSS ID | 2032037 |
| Closest SMSS | 3.32'', 2003824174 |
| SMSS Mean r6"ap | 15.4 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.011 |
| Power law αν | -1.46 ± 0.05 |
| log L5100,AGN | 42.83 ± 0.01 |
| log HβBr/[O III] | <-0.88 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.88 ± 0.08 |
| 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 | 39.49 ± 0.09 | 215 ± 62 | 130 ± 26 | 2.14 ± 0.31 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.13 ± 0.18 | 219 ± 62 | 90 ± 25 | 0.92 ± 0.22 |
| He II Narrow | 39.31 ± 0.11 | 219 ± 62 | 90 ± 25 | 1.46 ± 0.20 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.06 ± 0.02 | 215 ± 62 | 130 ± 26 | 8.38 ± 0.26 |
| Hβ Broad | <40.00 | — | — | — |
| [O III] 5007 | 40.87 ± 0.01 | 215 ± 62 | 130 ± 26 | 55.71 ± 0.31 |
| He I Narrow | 38.79 ± 0.21 | 219 ± 62 | 90 ± 25 | 0.50 ± 0.13 |
| He I Broad | 39.43 ± 0.16 | 2179 ± 64 | 925 ± 26 | 2.17 ± 0.42 |
| [O I] 6300 | 39.25 ± 0.07 | 219 ± 62 | 90 ± 25 | 1.49 ± 0.14 |
| Hα Narrow | 40.62 ± 0.01 | 219 ± 62 | 90 ± 25 | 35.59 ± 0.19 |
| Hα Broad | 40.81 ± 0.01 | 3558 ± 238 | 1499 ± 28 | 55.21 ± 0.73 |
| [N II] 6585 | 40.36 ± 0.01 | 219 ± 62 | 90 ± 25 | 19.61 ± 0.18 |
| [S II] 6718 | 39.97 ± 0.02 | 219 ± 62 | 90 ± 25 | 8.06 ± 0.17 |
| [S II] 6732 | 39.87 ± 0.02 | 219 ± 62 | 90 ± 25 | 6.41 ± 0.17 |
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 | 4.57 |
|---|---|
| Hβ Broad SNR | 0.17 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.48 |
| Host frac | 0.52 |
| log L5100,Host | 42.86 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 1 |
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.