LEDA 433346
Observation
| Spectrum ID | 503301360_sp1 |
|---|---|
| Alt name | g0026407-530948 |
| z | 0.0628 |
| RA, Dec | 6.6694, -53.1633 |
| MJD | 60165.75 |
| SNR/Å B/R | 12.6/24.4 |
| Obs Airmass | 1.09 |
| SMSS ID | 503301360 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.9 ± 0.1 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.017 |
| Power law αν | -0.49 ± 0.29 |
| log L5100,AGN | 43.14 ± 0.05 |
| log HβBr/[O III] | 0.38 ± 0.02 |
| log ML5100/M☉ | 7.80 ± 0.04 |
| log MHα/M☉ | 7.66 ± 0.03 |
| log MHβ/M☉ | 8.03 ± 0.03 |
| log M[O III]/M☉ | 8.00 ± 0.03 |
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 | 39.96 ± 0.23 | 404 ± 63 | 310 ± 30 | 2.63 ± 1.18 |
| Hγ Broad | 41.16 ± 0.05 | 3320 ± 569 | 1417 ± 73 | 41.53 ± 2.21 |
| [O III] 4364 | 39.81 ± 0.25 | 386 ± 63 | 164 ± 25 | 1.88 ± 0.64 |
| He II Narrow | 39.42 ± 0.39 | 386 ± 63 | 164 ± 25 | 0.86 ± 0.63 |
| He II Broad | 40.71 ± 0.12 | 6181 ± 129 | 2625 ± 54 | 16.64 ± 2.59 |
| Hβ Narrow | 40.55 ± 0.06 | 404 ± 63 | 311 ± 30 | 12.12 ± 1.28 |
| Hβ Broad | 41.86 ± 0.02 | 4268 ± 117 | 3555 ± 108 | 245.67 ± 6.06 |
| [O III] 5007 | 41.47 ± 0.01 | 404 ± 63 | 311 ± 30 | 106.01 ± 1.45 |
| He I Narrow | 39.84 ± 0.13 | 386 ± 63 | 164 ± 25 | 3.16 ± 0.62 |
| He I Broad | 41.24 ± 0.04 | 10118 ± 183 | 4297 ± 77 | 79.10 ± 3.38 |
| [O I] 6300 | 40.24 ± 0.05 | 386 ± 63 | 164 ± 25 | 8.80 ± 0.66 |
| Hα Narrow | 40.95 ± 0.02 | 386 ± 63 | 164 ± 25 | 48.00 ± 1.09 |
| Hα Broad | 42.39 ± 0.01 | 2895 ± 69 | 1488 ± 25 | 1306.21 ± 3.18 |
| [N II] 6585 | 40.93 ± 0.02 | 386 ± 63 | 164 ± 25 | 45.79 ± 0.99 |
| [S II] 6718 | 40.51 ± 0.03 | 386 ± 63 | 164 ± 25 | 18.01 ± 0.76 |
| [S II] 6732 | 40.41 ± 0.03 | 386 ± 63 | 164 ± 25 | 14.35 ± 0.77 |
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 | 36.05 |
|---|---|
| Hβ Broad SNR | 7.80 |
| Hγ Broad SNR | 3.27 |
| AGN frac | 0.29 |
| Host frac | 0.71 |
| log L5100,Host | 43.53 |
| Fe II/Hβ | 0.35 |
| Fe II/[O III] | 0.84 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 0 |
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.