LEDA 1009521
Observation
| Spectrum ID | 89217345_sp1 |
|---|---|
| Alt name | g0914572-080109 |
| z | 0.0695 |
| RA, Dec | 138.7382, -8.0191 |
| MJD | 59019.38 |
| SNR/Å B/R | 18.5/33.1 |
| Obs Airmass | 1.79 |
| SMSS ID | 89217345 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 12.2 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.026 |
| Power law αν | -0.10 ± 0.13 |
| log L5100,AGN | 43.57 ± 0.02 |
| log HβBr/[O III] | 0.67 ± 0.02 |
| log ML5100/M☉ | 7.83 ± 0.04 |
| log MHα/M☉ | 7.59 ± 0.02 |
| log MHβ/M☉ | 7.85 ± 0.04 |
| log M[O III]/M☉ | 7.68 ± 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 | 39.75 ± 0.30 | 282 ± 63 | 223 ± 34 | 0.56 ± 0.33 |
| Hγ Broad | 41.31 ± 0.03 | 3246 ± 123 | 1163 ± 44 | 20.56 ± 0.73 |
| [O III] 4364 | 39.91 ± 0.17 | 254 ± 63 | 106 ± 25 | 0.82 ± 0.20 |
| He II Narrow | 39.59 ± 0.26 | 254 ± 63 | 106 ± 25 | 0.45 ± 0.20 |
| He II Broad | 40.96 ± 0.08 | 7616 ± 249 | 3234 ± 106 | 10.49 ± 1.11 |
| Hβ Narrow | 40.39 ± 0.08 | 282 ± 63 | 223 ± 34 | 3.03 ± 0.37 |
| Hβ Broad | 41.79 ± 0.01 | 3596 ± 168 | 1691 ± 42 | 76.68 ± 1.03 |
| [O III] 5007 | 41.11 ± 0.02 | 282 ± 63 | 223 ± 34 | 16.86 ± 0.40 |
| He I Narrow | — | — | — | — |
| He I Broad | 41.29 ± 0.03 | 7209 ± 191 | 3062 ± 81 | 34.14 ± 1.05 |
| [O I] 6300 | 39.99 ± 0.07 | 254 ± 63 | 106 ± 25 | 1.97 ± 0.20 |
| Hα Narrow | 40.90 ± 0.02 | 254 ± 63 | 106 ± 25 | 17.34 ± 0.28 |
| Hα Broad | 42.28 ± 0.01 | 2858 ± 68 | 1311 ± 25 | 421.24 ± 1.14 |
| [N II] 6585 | 40.80 ± 0.02 | 254 ± 63 | 106 ± 25 | 14.13 ± 0.28 |
| [S II] 6718 | 40.42 ± 0.03 | 254 ± 63 | 106 ± 25 | 6.05 ± 0.28 |
| [S II] 6732 | 40.30 ± 0.04 | 254 ± 63 | 106 ± 25 | 4.64 ± 0.27 |
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 | 29.87 |
|---|---|
| Hβ Broad SNR | 10.22 |
| Hγ Broad SNR | 4.88 |
| AGN frac | 0.53 |
| Host frac | 0.47 |
| log L5100,Host | 43.53 |
| Fe II/Hβ | 0.42 |
| Fe II/[O III] | 2.03 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
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.