6dFGS gJ111945.5-460732
Observation
| Spectrum ID | 409924618_sp1 |
|---|---|
| Alt name | g1119455-460732 |
| z | 0.0621 |
| RA, Dec | 169.9396, -46.1254 |
| MJD | 60048.48 |
| SNR/Å B/R | 12.5/20.9 |
| Obs Airmass | 1.04 |
| SMSS ID | 409924618 |
| Closest SMSS | 9.78'', 409924971 |
| SMSS Mean r6"ap | 16.9 ± 0.0 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.123 |
| Power law αν | -1.95 ± 0.06 |
| log L5100,AGN | 42.61 ± 0.12 |
| log HβBr/[O III] | -0.11 ± 0.05 |
| log ML5100/M☉ | 7.14 ± 0.12 |
| log MHα/M☉ | 7.02 ± 0.03 |
| log MHβ/M☉ | 7.19 ± 0.11 |
| log M[O III]/M☉ | 7.37 ± 0.10 |
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 | 39.64 ± 0.24 | 321 ± 63 | 208 ± 27 | 5.45 ± 2.19 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.79 ± 0.13 | 310 ± 63 | 131 ± 25 | 7.60 ± 1.29 |
| He II Broad | 40.33 ± 0.19 | 7050 ± 64 | 2994 ± 26 | 26.62 ± 6.39 |
| Hβ Narrow | 40.04 ± 0.10 | 321 ± 63 | 208 ± 28 | 13.58 ± 2.17 |
| Hβ Broad | 40.94 ± 0.05 | 2619 ± 296 | 2183 ± 103 | 109.61 ± 6.69 |
| [O III] 5007 | 41.05 ± 0.01 | 321 ± 63 | 208 ± 28 | 141.20 ± 2.23 |
| He I Narrow | 39.20 ± 0.37 | 310 ± 63 | 131 ± 25 | 1.98 ± 1.05 |
| He I Broad | 40.07 ± 0.15 | 2264 ± 64 | 961 ± 26 | 14.76 ± 2.98 |
| [O I] 6300 | 39.90 ± 0.08 | 310 ± 63 | 131 ± 25 | 10.00 ± 1.07 |
| Hα Narrow | 40.66 ± 0.02 | 310 ± 63 | 131 ± 25 | 58.27 ± 1.21 |
| Hα Broad | 41.51 ± 0.02 | 2550 ± 68 | 1659 ± 95 | 408.42 ± 7.52 |
| [N II] 6585 | 40.67 ± 0.02 | 310 ± 63 | 131 ± 25 | 58.60 ± 1.19 |
| [S II] 6718 | 40.25 ± 0.03 | 310 ± 63 | 131 ± 25 | 22.67 ± 1.07 |
| [S II] 6732 | 40.18 ± 0.04 | 310 ± 63 | 131 ± 25 | 19.16 ± 1.09 |
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 | 8.34 |
|---|---|
| Hβ Broad SNR | 2.38 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.14 |
| Host frac | 0.86 |
| log L5100,Host | 43.40 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 2 |
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.