LEDA 126151
Observation
| Spectrum ID | 110289360_sp1 |
|---|---|
| Alt name | g1405149-025901 |
| z | 0.0540 |
| RA, Dec | 211.3119, -2.9837 |
| MJD | 59668.67 |
| SNR/Å B/R | 13.5/30.0 |
| Obs Airmass | 1.14 |
| SMSS ID | 110289360 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.0 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.067 |
| Power law αν | -1.95 ± 0.04 |
| log L5100,AGN | 42.57 ± 0.13 |
| log HβBr/[O III] | 0.47 ± 0.04 |
| log ML5100/M☉ | 7.23 ± 0.13 |
| log MHα/M☉ | 6.87 ± 0.05 |
| log MHβ/M☉ | 7.37 ± 0.12 |
| log M[O III]/M☉ | 7.28 ± 0.12 |
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 | — | — | — | — |
| Hγ Broad | 40.48 ± 0.09 | 1592 ± 346 | 915 ± 84 | 40.95 ± 4.18 |
| [O III] 4364 | 39.14 ± 0.38 | 324 ± 63 | 137 ± 25 | 1.88 ± 1.28 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.78 ± 0.05 | 7978 ± 84 | 3388 ± 34 | 82.61 ± 5.95 |
| Hβ Narrow | 39.78 ± 0.19 | 367 ± 64 | 391 ± 33 | 8.27 ± 2.18 |
| Hβ Broad | 41.12 ± 0.02 | 2937 ± 363 | 2217 ± 62 | 181.87 ± 5.60 |
| [O III] 5007 | 40.66 ± 0.02 | 367 ± 64 | 391 ± 33 | 62.78 ± 2.25 |
| He I Narrow | 39.36 ± 0.14 | 324 ± 63 | 137 ± 25 | 3.18 ± 0.56 |
| He I Broad | 40.01 ± 0.11 | 3672 ± 71 | 1559 ± 29 | 14.16 ± 1.99 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 40.17 ± 0.04 | 324 ± 63 | 137 ± 25 | 20.62 ± 0.72 |
| Hα Broad | 41.39 ± 0.01 | 2348 ± 106 | 1174 ± 25 | 341.03 ± 2.32 |
| [N II] 6585 | 40.10 ± 0.04 | 324 ± 63 | 137 ± 25 | 17.65 ± 0.70 |
| [S II] 6718 | 39.63 ± 0.07 | 324 ± 63 | 137 ± 25 | 5.91 ± 0.66 |
| [S II] 6732 | 39.43 ± 0.12 | 324 ± 63 | 137 ± 25 | 3.77 ± 0.67 |
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 | 11.08 |
|---|---|
| Hβ Broad SNR | 4.97 |
| Hγ Broad SNR | 2.78 |
| AGN frac | 0.16 |
| Host frac | 0.84 |
| log L5100,Host | 43.28 |
| Fe II/Hβ | 0.81 |
| Fe II/[O III] | 2.35 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 2 |
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.