6dFGS gJ104745.7-375932
Observation
| Spectrum ID | 83561935_sp1 |
|---|---|
| Alt name | g1047457-375932 |
| z | 0.0758 |
| RA, Dec | 161.9405, -37.9922 |
| MJD | 60018.54 |
| SNR/Å B/R | 11.8/26.0 |
| Obs Airmass | 1.01 |
| SMSS ID | 83561935 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.2 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.042 |
| Power law αν | 0.43 ± 0.07 |
| log L5100,AGN | 43.14 ± 0.02 |
| log HβBr/[O III] | 0.55 ± 0.03 |
| log ML5100/M☉ | 8.05 ± 0.03 |
| log MHα/M☉ | 7.84 ± 0.01 |
| log MHβ/M☉ | 8.13 ± 0.04 |
| log M[O III]/M☉ | 8.01 ± 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 | 40.05 ± 0.18 | 321 ± 64 | 199 ± 28 | 2.72 ± 0.85 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.98 ± 0.17 | 278 ± 63 | 115 ± 25 | 2.38 ± 0.58 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.32 ± 0.21 | 2250 ± 63 | 955 ± 25 | 6.24 ± 1.70 |
| Hβ Narrow | 40.38 ± 0.09 | 321 ± 64 | 199 ± 28 | 7.82 ± 0.97 |
| Hβ Broad | 41.51 ± 0.02 | 5733 ± 156 | 2167 ± 25 | 106.31 ± 3.16 |
| [O III] 5007 | 40.96 ± 0.02 | 321 ± 64 | 199 ± 28 | 32.22 ± 1.11 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.47 ± 0.09 | 3116 ± 63 | 1323 ± 25 | 15.35 ± 1.74 |
| [O I] 6300 | 39.53 ± 0.20 | 278 ± 63 | 115 ± 25 | 2.09 ± 0.55 |
| Hα Narrow | 40.89 ± 0.01 | 278 ± 63 | 115 ± 25 | 52.60 ± 0.74 |
| Hα Broad | 42.09 ± 0.01 | 4393 ± 69 | 2155 ± 37 | 838.79 ± 5.68 |
| [N II] 6585 | 40.66 ± 0.02 | 278 ± 63 | 115 ± 25 | 31.17 ± 0.71 |
| [S II] 6718 | 40.22 ± 0.05 | 278 ± 63 | 115 ± 25 | 11.84 ± 0.82 |
| [S II] 6732 | 40.16 ± 0.07 | 278 ± 63 | 115 ± 25 | 10.39 ± 0.97 |
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 | 11.27 |
|---|---|
| Hβ Broad SNR | 3.73 |
| Hγ Broad SNR | 0.79 |
| AGN frac | 0.27 |
| Host frac | 0.73 |
| log L5100,Host | 43.58 |
| Fe II/Hβ | 0.35 |
| Fe II/[O III] | 1.24 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 2 |
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.