LEDA 690889
Observation
| Spectrum ID | 119894635_sp1 |
|---|---|
| Alt name | g1609040-322944 |
| z | 0.0361 |
| RA, Dec | 242.2665, -32.4954 |
| MJD | 60899.41 |
| SNR/Å B/R | 5.4/12.6 |
| Obs Airmass | 1.03 |
| SMSS ID | 119894635 |
| Closest SMSS | 8.55'', 119894637 |
| SMSS Mean r6"ap | 17.8 ± 0.0 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | SF |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.195 |
| Power law αν | -1.99 ± 0.01 |
| log L5100,AGN | 41.91 ± 0.11 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| 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 | 39.12 ± 0.11 | 204 ± 62 | 82 ± 25 | 8.26 ± 2.42 |
| He II Narrow | — | — | — | — |
| He II Broad | 39.59 ± 0.16 | 1199 ± 62 | 509 ± 25 | 24.14 ± 5.74 |
| Hβ Narrow | — | — | — | — |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 39.31 ± 0.09 | — | 255 ± 25 | 12.81 ± 2.43 |
| He I Narrow | — | — | — | — |
| He I Broad | 38.79 ± 0.49 | 1316 ± 62 | 558 ± 25 | 3.84 ± 3.23 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 39.91 ± 0.02 | 204 ± 62 | 82 ± 25 | 50.69 ± 1.34 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 39.68 ± 0.03 | 204 ± 62 | 82 ± 25 | 29.80 ± 1.41 |
| [S II] 6718 | 39.46 ± 0.05 | 204 ± 62 | 82 ± 25 | 18.15 ± 1.31 |
| [S II] 6732 | 39.36 ± 0.06 | 204 ± 62 | 82 ± 25 | 14.40 ± 1.34 |
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 | 0.25 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.16 |
| Host frac | 0.84 |
| log L5100,Host | 42.62 |
| 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.