LEDA 3081954
Observation
| Spectrum ID | 96892512_sp1 |
|---|---|
| Alt name | g1203575-343528 |
| z | 0.0587 |
| RA, Dec | 180.9897, -34.5912 |
| MJD | 60329.73 |
| SNR/Å B/R | 16.7/32.2 |
| Obs Airmass | 1.01 |
| SMSS ID | 96892512 |
| Closest SMSS | 2.55'', 2158344019 |
| SMSS Mean r6"ap | 16.2 ± 0.0 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.074 |
| Power law αν | 0.42 ± 0.09 |
| log L5100,AGN | 42.94 ± 0.06 |
| log HβBr/[O III] | 0.44 ± 0.05 |
| log ML5100/M☉ | 8.72 ± 0.14 |
| log MHα/M☉ | 7.28 ± 0.04 |
| log MHβ/M☉ | 8.80 ± 0.14 |
| log M[O III]/M☉ | 8.73 ± 0.14 |
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 | 39.66 ± 0.31 | 402 ± 62 | 171 ± 25 | 1.84 ± 0.79 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.23 ± 0.49 | 397 ± 62 | 168 ± 25 | 0.80 ± 0.75 |
| He II Broad | 39.81 ± 0.38 | 1717 ± 62 | 729 ± 25 | 3.02 ± 1.70 |
| Hβ Narrow | 40.09 ± 0.12 | 402 ± 62 | 171 ± 25 | 6.32 ± 0.82 |
| Hβ Broad | 41.33 ± 0.05 | 13687 ± 2212 | 5852 ± 51 | 111.44 ± 6.02 |
| [O III] 5007 | 40.89 ± 0.02 | 402 ± 62 | 171 ± 25 | 42.94 ± 0.91 |
| He I Narrow | 39.64 ± 0.16 | 397 ± 62 | 168 ± 25 | 3.55 ± 0.72 |
| He I Broad | 40.76 ± 0.08 | 9065 ± 63 | 3850 ± 25 | 47.12 ± 5.22 |
| [O I] 6300 | 39.48 ± 0.21 | 397 ± 62 | 168 ± 25 | 2.94 ± 0.80 |
| Hα Narrow | 40.85 ± 0.01 | 397 ± 62 | 168 ± 25 | 76.18 ± 1.15 |
| Hα Broad | 41.39 ± 0.02 | 3778 ± 102 | 1421 ± 25 | 257.53 ± 3.36 |
| [N II] 6585 | 40.82 ± 0.01 | 397 ± 62 | 168 ± 25 | 71.81 ± 1.12 |
| [S II] 6718 | 40.30 ± 0.03 | 397 ± 62 | 168 ± 25 | 22.61 ± 1.09 |
| [S II] 6732 | 40.24 ± 0.04 | 397 ± 62 | 168 ± 25 | 19.61 ± 1.03 |
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 | 4.26 |
|---|---|
| Hβ Broad SNR | 1.42 |
| Hγ Broad SNR | 0.36 |
| AGN frac | 0.18 |
| Host frac | 0.82 |
| log L5100,Host | 43.60 |
| Fe II/Hβ | 0.76 |
| Fe II/[O III] | 2.08 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
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.