LEDA 443603
Observation
| Spectrum ID | 487661480_sp1 |
|---|---|
| Alt name | g2110332-522744 |
| z | 0.0713 |
| RA, Dec | 317.6383, -52.4621 |
| MJD | 60167.55 |
| SNR/Å B/R | 13.9/24.8 |
| Obs Airmass | 1.09 |
| SMSS ID | 487661480 |
| Closest SMSS | 6.70'', 487661481 |
| SMSS Mean r6"ap | 16.0 ± 0.1 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.029 |
| Power law αν | 0.28 ± 0.15 |
| log L5100,AGN | 43.47 ± 0.02 |
| log HβBr/[O III] | -0.05 ± 0.22 |
| log ML5100/M☉ | 8.08 ± 0.02 |
| log MHα/M☉ | 8.04 ± 0.02 |
| log MHβ/M☉ | 8.10 ± 0.11 |
| log M[O III]/M☉ | 8.28 ± 0.01 |
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 | 39.88 ± 0.28 | 405 ± 63 | 293 ± 28 | 0.91 ± 0.54 |
| Hγ Broad | 41.38 ± 0.04 | 4880 ± 260 | 1727 ± 48 | 28.69 ± 1.13 |
| [O III] 4364 | 40.18 ± 0.13 | 391 ± 63 | 166 ± 25 | 1.82 ± 0.32 |
| He II Narrow | 40.27 ± 0.07 | 391 ± 63 | 166 ± 25 | 2.63 ± 0.29 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.65 ± 0.05 | 405 ± 63 | 294 ± 28 | 6.83 ± 0.67 |
| Hβ Broad | 41.71 +0.42−0.02 | 5008 ± 73 | 1856 ± 33 | 79.24 ± 1.42 |
| [O III] 5007 | 41.76 ± 0.01 | 405 ± 63 | 294 ± 28 | 93.86 ± 0.81 |
| He I Narrow | 39.67 ± 0.18 | 391 ± 63 | 166 ± 25 | 1.12 ± 0.38 |
| He I Broad | 41.43 ± 0.03 | 10237 ± 157 | 4347 ± 66 | 63.68 ± 1.78 |
| [O I] 6300 | 40.20 ± 0.06 | 391 ± 63 | 166 ± 25 | 4.42 ± 0.36 |
| Hα Narrow | 41.13 ± 0.01 | 391 ± 63 | 166 ± 25 | 40.97 ± 0.58 |
| Hα Broad | 42.38 ± 0.01 | 4505 ± 84 | 1976 ± 25 | 726.91 ± 1.97 |
| [N II] 6585 | 39.26 ± 0.45 | 391 ± 63 | 166 ± 25 | 0.55 ± 0.55 |
| [S II] 6718 | 40.73 ± 0.02 | 391 ± 63 | 166 ± 25 | 17.28 ± 0.51 |
| [S II] 6732 | 40.59 ± 0.02 | 391 ± 63 | 166 ± 25 | 12.60 ± 0.48 |
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 | 23.24 |
|---|---|
| Hβ Broad SNR | 6.40 |
| Hγ Broad SNR | 3.49 |
| AGN frac | 0.57 |
| Host frac | 0.43 |
| log L5100,Host | 43.36 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 0 |
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.