LEDA 2816600
Observation
| Spectrum ID | 73163031_sp1 |
|---|---|
| Alt name | g0803200-103835 |
| z | 0.0622 |
| RA, Dec | 120.8334, -10.6430 |
| MJD | 60286.66 |
| SNR/Å B/R | 14.1/23.6 |
| Obs Airmass | 1.11 |
| SMSS ID | 73163031 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.079 |
| Power law αν | -0.48 ± 0.12 |
| log L5100,AGN | 43.58 ± 0.02 |
| log HβBr/[O III] | -0.23 ± 0.10 |
| log ML5100/M☉ | 7.22 ± 0.05 |
| log MHα/M☉ | 6.67 ± 0.04 |
| log MHβ/M☉ | 6.77 ± 0.08 |
| log M[O III]/M☉ | 7.00 ± 0.05 |
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 | 40.74 ± 0.04 | 185 ± 62 | 298 ± 30 | 5.79 ± 0.45 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.34 ± 0.37 | 168 ± 62 | 71 ± 25 | 0.26 ± 0.15 |
| He II Broad | 40.06 ± 0.25 | 1197 ± 66 | 508 ± 27 | 1.31 ± 0.42 |
| Hβ Narrow | 41.23 ± 0.02 | 185 ± 62 | 298 ± 30 | 21.21 ± 0.44 |
| Hβ Broad | 40.75 ± 0.10 | 1770 ± 87 | 655 ± 33 | 6.67 ± 0.54 |
| [O III] 5007 | 40.99 ± 0.02 | 185 ± 62 | 298 ± 30 | 12.63 ± 0.44 |
| He I Narrow | 39.87 ± 0.09 | 168 ± 62 | 71 ± 25 | 1.23 ± 0.15 |
| He I Broad | 40.33 ± 0.09 | 1357 ± 72 | 576 ± 29 | 3.47 ± 0.37 |
| [O I] 6300 | 40.24 ± 0.04 | 168 ± 62 | 71 ± 25 | 3.15 ± 0.14 |
| Hα Narrow | 41.69 ± 0.01 | 168 ± 62 | 71 ± 25 | 96.12 ± 0.25 |
| Hα Broad | 41.76 ± 0.01 | 1432 ± 66 | 582 ± 25 | 111.81 ± 0.65 |
| [N II] 6585 | 41.33 ± 0.01 | 168 ± 62 | 71 ± 25 | 41.97 ± 0.20 |
| [S II] 6718 | 40.95 ± 0.01 | 168 ± 62 | 71 ± 25 | 17.98 ± 0.17 |
| [S II] 6732 | 40.82 ± 0.01 | 168 ± 62 | 71 ± 25 | 13.26 ± 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 | 19.04 |
|---|---|
| Hβ Broad SNR | 2.21 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.73 |
| Host frac | 0.27 |
| log L5100,Host | 43.16 |
| Fe II/Hβ | 3.94 |
| Fe II/[O III] | 2.18 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 1 |
balmer_snr | 2 |
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.