LEDA 148673
Observation
| Spectrum ID | 32515912_sp1 |
|---|---|
| Alt name | g0617545-314543 |
| z | 0.0860 |
| RA, Dec | 94.4768, -31.7619 |
| MJD | 60290.65 |
| SNR/Å B/R | 12.5/23.1 |
| Obs Airmass | 1.01 |
| SMSS ID | 32515912 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.0 ± 0.1 |
| 2MASS Kext | 12.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.039 |
| Power law αν | 0.46 ± 0.04 |
| log L5100,AGN | 43.02 ± 0.02 |
| log HβBr/[O III] | <-0.28 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.97 ± 0.05 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | — | — | — | — |
| [O III] 4364 | 39.43 ± 0.46 | 378 ± 62 | 159 ± 25 | 0.89 ± 0.88 |
| He II Narrow | 39.51 ± 0.39 | 378 ± 62 | 159 ± 25 | 1.28 ± 0.88 |
| He II Broad | 41.46 ± 0.05 | 17661 ± 62 | 7500 ± 25 | 115.91 ± 7.07 |
| Hβ Narrow | 40.43 ± 0.15 | 475 ± 69 | 473 ± 35 | 11.54 ± 1.89 |
| Hβ Broad | <40.69 | — | — | — |
| [O III] 5007 | 40.96 ± 0.04 | 475 ± 69 | 473 ± 35 | 42.89 ± 2.13 |
| He I Narrow | 39.24 ± 0.44 | 378 ± 62 | 159 ± 25 | 1.20 ± 1.17 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.97 ± 0.10 | 378 ± 62 | 159 ± 25 | 7.66 ± 1.14 |
| Hα Narrow | 41.01 ± 0.01 | 378 ± 62 | 159 ± 25 | 92.99 ± 1.27 |
| Hα Broad | 41.18 ± 0.03 | 3032 ± 118 | 1144 ± 25 | 136.09 ± 3.97 |
| [N II] 6585 | 40.87 ± 0.02 | 378 ± 62 | 159 ± 25 | 67.39 ± 1.27 |
| [S II] 6718 | 40.53 ± 0.03 | 378 ± 62 | 159 ± 25 | 32.92 ± 1.83 |
| [S II] 6732 | 40.54 ± 0.03 | 378 ± 62 | 159 ± 25 | 33.99 ± 1.72 |
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 | 2.38 |
|---|---|
| Hβ Broad SNR | 0.54 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.20 |
| Host frac | 0.80 |
| log L5100,Host | 43.61 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
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.