LEDA 133691
Observation
| Spectrum ID | 11771081_sp2 |
|---|---|
| Alt name | g0041321-223838 |
| z | 0.0628 |
| RA, Dec | 10.3836, -22.6438 |
| MJD | 59438.82 |
| SNR/Å B/R | 12.3/24.6 |
| Obs Airmass | 1.17 |
| SMSS ID | 11771081 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.015 |
| Power law αν | 0.41 ± 0.10 |
| log L5100,AGN | 43.09 ± 0.03 |
| log HβBr/[O III] | 0.11 ± 0.04 |
| log ML5100/M☉ | 7.76 ± 0.08 |
| log MHα/M☉ | 7.90 ± 0.01 |
| log MHβ/M☉ | 7.71 ± 0.09 |
| log M[O III]/M☉ | 7.79 ± 0.08 |
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 | 39.36 ± 0.41 | 231 ± 63 | 134 ± 25 | 0.64 ± 0.64 |
| Hγ Broad | 40.24 ± 0.18 | 1274 ± 108 | 355 ± 29 | 4.35 ± 1.23 |
| [O III] 4364 | 39.76 ± 0.21 | 209 ± 63 | 87 ± 25 | 1.62 ± 0.48 |
| He II Narrow | 39.61 ± 0.28 | 209 ± 63 | 87 ± 25 | 1.36 ± 0.50 |
| He II Broad | 39.95 ± 0.30 | 1178 ± 62 | 500 ± 25 | 2.96 ± 1.18 |
| Hβ Narrow | 40.12 ± 0.11 | 231 ± 63 | 134 ± 25 | 4.78 ± 0.70 |
| Hβ Broad | 41.17 ± 0.04 | 4211 ± 392 | 1681 ± 34 | 53.77 ± 2.84 |
| [O III] 5007 | 41.06 ± 0.01 | 231 ± 63 | 134 ± 25 | 45.43 ± 0.77 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.50 ± 0.10 | 5881 ± 63 | 2497 ± 25 | 18.36 ± 2.44 |
| [O I] 6300 | 39.70 ± 0.12 | 209 ± 63 | 87 ± 25 | 3.40 ± 0.53 |
| Hα Narrow | 40.65 ± 0.02 | 209 ± 63 | 87 ± 25 | 33.89 ± 0.72 |
| Hα Broad | 41.93 ± 0.01 | 5226 ± 66 | 1945 ± 25 | 636.86 ± 3.56 |
| [N II] 6585 | 40.63 ± 0.02 | 209 ± 63 | 87 ± 25 | 32.19 ± 0.71 |
| [S II] 6718 | 40.22 ± 0.04 | 209 ± 63 | 87 ± 25 | 13.36 ± 0.68 |
| [S II] 6732 | 40.09 ± 0.05 | 209 ± 63 | 87 ± 25 | 9.77 ± 0.69 |
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 | 8.90 |
|---|---|
| Hβ Broad SNR | 2.65 |
| Hγ Broad SNR | 1.12 |
| AGN frac | 0.27 |
| Host frac | 0.73 |
| log L5100,Host | 43.53 |
| Fe II/Hβ | 0.58 |
| Fe II/[O III] | 0.74 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 1 |
hb_width | 0 |
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.