LEDA 3093383
Observation
| Spectrum ID | 168937318_sp1 |
|---|---|
| Alt name | g1523356-104840 |
| z | 0.0513 |
| RA, Dec | 230.8984, -10.8113 |
| MJD | 61113.72 |
| SNR/Å B/R | 9.9/18.7 |
| Obs Airmass | 1.08 |
| SMSS ID | 168937318 |
| Closest SMSS | 6.92'', 168937319 |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.117 |
| Power law αν | -1.70 ± 0.06 |
| log L5100,AGN | 43.12 ± 0.02 |
| log HβBr/[O III] | <0.20 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.34 ± 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 | 40.13 ± 0.12 | 391 ± 63 | 166 ± 25 | 4.86 ± 0.74 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.44 ± 0.36 | 387 ± 62 | 164 ± 25 | 1.05 ± 0.60 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.55 ± 0.03 | 391 ± 63 | 166 ± 25 | 13.24 ± 0.61 |
| Hβ Broad | <40.82 | — | — | — |
| [O III] 5007 | 40.62 ± 0.03 | 391 ± 63 | 166 ± 25 | 16.02 ± 0.61 |
| He I Narrow | 39.26 ± 0.37 | 387 ± 62 | 164 ± 25 | 0.73 ± 0.35 |
| He I Broad | 39.47 ± 0.40 | 1306 ± 62 | 554 ± 25 | 1.20 ± 0.64 |
| [O I] 6300 | 39.71 ± 0.12 | 387 ± 62 | 164 ± 25 | 2.14 ± 0.34 |
| Hα Narrow | 41.23 ± 0.01 | 387 ± 62 | 164 ± 25 | 71.67 ± 0.50 |
| Hα Broad | 41.09 ± 0.03 | 4960 ± 121 | 1869 ± 25 | 50.46 ± 1.46 |
| [N II] 6585 | 40.96 ± 0.01 | 387 ± 62 | 164 ± 25 | 38.52 ± 0.49 |
| [S II] 6718 | 40.52 ± 0.02 | 387 ± 62 | 164 ± 25 | 13.90 ± 0.40 |
| [S II] 6732 | 40.38 ± 0.03 | 387 ± 62 | 164 ± 25 | 10.12 ± 0.40 |
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 | 1.64 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.46 |
| Host frac | 0.54 |
| log L5100,Host | 43.18 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 1 |
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.