LEDA 975127
Observation
| Spectrum ID | 73661627_sp3 |
|---|---|
| Alt name | g0814187-104101 |
| z | 0.0691 |
| RA, Dec | 123.5778, -10.6835 |
| MJD | 60382.45 |
| SNR/Å B/R | 18.7/24.3 |
| Obs Airmass | 1.07 |
| SMSS ID | 73661627 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.8 ± 0.1 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.113 |
| Power law αν | -0.77 ± 0.14 |
| log L5100,AGN | 43.58 ± 0.02 |
| log HβBr/[O III] | 0.28 ± 0.01 |
| log ML5100/M☉ | 8.58 ± 0.05 |
| log MHα/M☉ | 7.99 ± 0.02 |
| log MHβ/M☉ | 8.68 ± 0.05 |
| log M[O III]/M☉ | 8.71 ± 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 | 40.06 ± 0.17 | 398 ± 63 | 240 ± 26 | 1.26 ± 0.40 |
| Hγ Broad | 41.07 ± 0.06 | 3799 ± 953 | 1584 ± 65 | 12.95 ± 0.78 |
| [O III] 4364 | 39.84 ± 0.22 | 358 ± 63 | 151 ± 25 | 0.76 ± 0.23 |
| He II Narrow | 39.87 ± 0.19 | 358 ± 63 | 151 ± 25 | 0.88 ± 0.22 |
| He II Broad | 40.50 ± 0.12 | 2399 ± 230 | 1019 ± 97 | 3.84 ± 0.58 |
| Hβ Narrow | 40.69 ± 0.04 | 398 ± 63 | 240 ± 26 | 6.19 ± 0.35 |
| Hβ Broad | 41.97 ± 0.01 | 8514 ± 474 | 4223 ± 59 | 119.12 ± 1.60 |
| [O III] 5007 | 41.69 ± 0.01 | 398 ± 63 | 240 ± 26 | 63.51 ± 0.41 |
| He I Narrow | 39.23 ± 0.39 | 358 ± 63 | 151 ± 25 | 0.27 ± 0.22 |
| He I Broad | 41.19 ± 0.05 | 12027 ± 174 | 5107 ± 74 | 24.60 ± 1.39 |
| [O I] 6300 | 40.24 ± 0.05 | 358 ± 63 | 151 ± 25 | 2.99 ± 0.25 |
| Hα Narrow | 41.01 ± 0.02 | 358 ± 63 | 151 ± 25 | 18.66 ± 0.33 |
| Hα Broad | 42.32 ± 0.01 | 4386 ± 76 | 2251 ± 31 | 382.65 ± 1.55 |
| [N II] 6585 | 41.22 ± 0.01 | 358 ± 63 | 151 ± 25 | 30.62 ± 0.36 |
| [S II] 6718 | 40.78 ± 0.02 | 358 ± 63 | 151 ± 25 | 11.37 ± 0.35 |
| [S II] 6732 | 40.79 ± 0.02 | 358 ± 63 | 151 ± 25 | 11.65 ± 0.34 |
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 | 20.24 |
|---|---|
| Hβ Broad SNR | 7.11 |
| Hγ Broad SNR | 2.42 |
| AGN frac | 0.58 |
| Host frac | 0.42 |
| log L5100,Host | 43.44 |
| Fe II/Hβ | 0.41 |
| Fe II/[O III] | 0.79 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.