6dFGS gJ123943.8-323410
Observation
| Spectrum ID | 97461978_sp1 |
|---|---|
| Alt name | g1239438-323410 |
| z | 0.0917 |
| RA, Dec | 189.9327, -32.5691 |
| MJD | 61065.73 |
| SNR/Å B/R | 10.8/15.5 |
| Obs Airmass | 1.02 |
| SMSS ID | 97461978 |
| Closest SMSS | 14.98'', 97461977 |
| SMSS Mean r6"ap | 16.6 ± 0.1 |
| 2MASS Kext | 13.0 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.077 |
| Power law αν | -0.01 ± 0.17 |
| log L5100,AGN | 43.73 ± 0.03 |
| 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 | 40.72 ± 0.08 | 352 ± 63 | 191 ± 26 | 3.62 ± 0.40 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 40.17 ± 0.20 | 313 ± 62 | 132 ± 25 | 1.04 ± 0.29 |
| He II Narrow | 40.15 ± 0.19 | 313 ± 62 | 132 ± 25 | 1.13 ± 0.30 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 41.34 ± 0.02 | 352 ± 63 | 191 ± 26 | 18.92 ± 0.47 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 41.67 ± 0.01 | 352 ± 63 | 191 ± 26 | 43.73 ± 0.55 |
| He I Narrow | 40.38 ± 0.07 | 313 ± 62 | 132 ± 25 | 3.01 ± 0.28 |
| He I Broad | 40.69 ± 0.12 | 2833 ± 70 | 1203 ± 28 | 6.14 ± 0.87 |
| [O I] 6300 | 40.58 ± 0.05 | 313 ± 62 | 132 ± 25 | 5.51 ± 0.38 |
| Hα Narrow | 42.04 ± 0.01 | 313 ± 62 | 132 ± 25 | 125.42 ± 0.49 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 41.64 ± 0.01 | 313 ± 62 | 132 ± 25 | 49.35 ± 0.45 |
| [S II] 6718 | 41.15 ± 0.01 | 313 ± 62 | 132 ± 25 | 23.59 ± 0.52 |
| [S II] 6732 | 41.06 ± 0.02 | 313 ± 62 | 132 ± 25 | 19.17 ± 0.50 |
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 | 0.00 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.69 |
| Host frac | 0.31 |
| log L5100,Host | 43.38 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 1.0/2 |
|---|---|
l5100 | 0 |
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.