6dFGS gJ072346.9-580631
Observation
| Spectrum ID | 471073019_sp1 |
|---|---|
| Alt name | g0723469-580631 |
| z | 0.0677 |
| RA, Dec | 110.9459, -58.1085 |
| MJD | 60931.78 |
| SNR/Å B/R | 12.0/19.7 |
| Obs Airmass | 1.36 |
| SMSS ID | 471073019 |
| Closest SMSS | 3.89'', 2671204055 |
| SMSS Mean r6"ap | 14.9 ± 0.0 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.125 |
| Power law αν | -0.41 ± 0.03 |
| log L5100,AGN | 43.96 ± 0.01 |
| log HβBr/[O III] | <-0.13 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.47 ± 0.02 |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 40.42 ± 0.41 | 2110 ± 62 | 896 ± 25 | 1.27 ± 1.02 |
| Hβ Narrow | 41.10 ± 0.08 | 335 ± 63 | 511 ± 25 | 6.46 ± 0.83 |
| Hβ Broad | <41.33 | — | — | — |
| [O III] 5007 | 41.47 ± 0.03 | 335 ± 63 | 511 ± 25 | 15.83 ± 0.89 |
| He I Narrow | 39.85 ± 0.31 | 275 ± 62 | 116 ± 25 | 0.49 ± 0.30 |
| He I Broad | 40.11 ± 0.42 | 1195 ± 62 | 507 ± 25 | 0.90 ± 0.71 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 40.41 ± 0.13 | 275 ± 62 | 116 ± 25 | 2.14 ± 0.37 |
| Hα Broad | 41.89 ± 0.02 | 3297 ± 76 | 1246 ± 25 | 63.47 ± 1.35 |
| [N II] 6585 | 40.59 ± 0.07 | 275 ± 62 | 116 ± 25 | 3.27 ± 0.36 |
| [S II] 6718 | 40.58 ± 0.07 | 275 ± 62 | 116 ± 25 | 3.27 ± 0.40 |
| [S II] 6732 | 40.05 ± 0.20 | 275 ± 62 | 116 ± 25 | 0.98 ± 0.42 |
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 | 2.76 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.47 |
| Host frac | 0.53 |
| log L5100,Host | 44.02 |
| Fe II/Hβ | — |
| Fe II/[O III] | 4.37 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
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.