6dFGS gJ214636.8-063442
Observation
| Spectrum ID | 5081967_sp1 |
|---|---|
| Alt name | g2146368-063442 |
| z | 0.0855 |
| RA, Dec | 326.6534, -6.5783 |
| MJD | 59397.71 |
| SNR/Å B/R | 11.7/22.6 |
| Obs Airmass | 1.10 |
| SMSS ID | 5081967 |
| Closest SMSS | 14.14'', 5081966 |
| SMSS Mean r6"ap | nan ± nan |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.028 |
| Power law αν | -0.48 ± 0.23 |
| log L5100,AGN | 43.27 ± 0.03 |
| log HβBr/[O III] | 0.00 ± 0.29 |
| log ML5100/M☉ | 7.53 ± 0.03 |
| log MHα/M☉ | 7.07 ± 0.03 |
| log MHβ/M☉ | 7.38 ± 0.15 |
| log M[O III]/M☉ | 7.51 ± 0.04 |
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 | 40.17 ± 0.13 | 217 ± 63 | 204 ± 30 | 3.10 ± 0.72 |
| Hγ Broad | 40.88 ± 0.08 | 2919 ± 272 | 1087 ± 70 | 15.87 ± 1.62 |
| [O III] 4364 | 39.78 ± 0.21 | 194 ± 62 | 78 ± 25 | 1.29 ± 0.39 |
| He II Narrow | 39.56 ± 0.27 | 194 ± 62 | 78 ± 25 | 0.87 ± 0.39 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.73 ± 0.04 | 217 ± 63 | 204 ± 30 | 13.57 ± 0.78 |
| Hβ Broad | 41.12 +0.53−0.04 | 2964 ± 89 | 1075 ± 38 | 33.03 ± 1.69 |
| [O III] 5007 | 41.11 ± 0.02 | 217 ± 63 | 204 ± 30 | 34.30 ± 0.85 |
| He I Narrow | 39.10 ± 0.34 | 194 ± 62 | 78 ± 25 | 0.43 ± 0.26 |
| He I Broad | 40.56 ± 0.08 | 3719 ± 126 | 1579 ± 53 | 12.31 ± 1.28 |
| [O I] 6300 | 39.61 ± 0.14 | 194 ± 62 | 78 ± 25 | 1.53 ± 0.31 |
| Hα Narrow | 41.07 ± 0.01 | 194 ± 62 | 78 ± 25 | 47.40 ± 0.37 |
| Hα Broad | 41.72 ± 0.01 | 2339 ± 80 | 930 ± 25 | 209.30 ± 1.39 |
| [N II] 6585 | 40.82 ± 0.01 | 194 ± 62 | 78 ± 25 | 26.90 ± 0.38 |
| [S II] 6718 | 40.40 ± 0.02 | 194 ± 62 | 78 ± 25 | 10.49 ± 0.38 |
| [S II] 6732 | 40.26 ± 0.03 | 194 ± 62 | 78 ± 25 | 7.63 ± 0.39 |
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 | 10.72 |
|---|---|
| Hβ Broad SNR | 2.93 |
| Hγ Broad SNR | 1.98 |
| AGN frac | 0.41 |
| Host frac | 0.59 |
| log L5100,Host | 43.43 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 1 |
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.