6dFGS gJ140925.4-062547
Observation
| Spectrum ID | 110033878_sp1 |
|---|---|
| Alt name | g1409254-062547 |
| z | 0.0725 |
| RA, Dec | 212.3560, -6.4297 |
| MJD | 59668.7 |
| SNR/Å B/R | 6.7/14.6 |
| Obs Airmass | 1.14 |
| SMSS ID | 110033878 |
| Closest SMSS | 6.55'', 110033879 |
| SMSS Mean r6"ap | 16.9 ± 0.1 |
| 2MASS Kext | 12.8 ± 0.2 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.028 |
| Power law αν | 0.28 ± 0.23 |
| log L5100,AGN | 42.69 ± 0.08 |
| log HβBr/[O III] | 0.24 ± 0.05 |
| log ML5100/M☉ | 7.83 ± 0.15 |
| log MHα/M☉ | 6.79 ± 0.05 |
| log MHβ/M☉ | 7.96 ± 0.15 |
| log M[O III]/M☉ | 7.98 ± 0.15 |
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 | 39.72 ± 0.35 | 332 ± 64 | 408 ± 35 | 3.80 ± 3.17 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 41.04 ± 0.07 | 9304 ± 75 | 3951 ± 31 | 93.56 ± 8.35 |
| Hβ Narrow | 40.10 ± 0.18 | 332 ± 64 | 408 ± 35 | 11.74 ± 3.29 |
| Hβ Broad | 41.21 ± 0.04 | 5550 ± 966 | 2397 ± 54 | 148.18 ± 7.61 |
| [O III] 5007 | 40.96 ± 0.03 | 332 ± 64 | 408 ± 35 | 91.62 ± 3.80 |
| He I Narrow | 40.18 ± 0.06 | 295 ± 63 | 125 ± 25 | 21.77 ± 1.35 |
| He I Broad | 39.29 ± 0.46 | 1292 ± 68 | 548 ± 27 | 2.82 ± 2.28 |
| [O I] 6300 | 39.08 ± 0.35 | 295 ± 63 | 125 ± 25 | 2.04 ± 1.18 |
| Hα Narrow | 40.40 ± 0.03 | 295 ± 63 | 125 ± 25 | 46.99 ± 1.52 |
| Hα Broad | 41.36 ± 0.01 | 2173 ± 116 | 978 ± 25 | 418.91 ± 5.01 |
| [N II] 6585 | 40.33 ± 0.03 | 295 ± 63 | 125 ± 25 | 39.80 ± 1.51 |
| [S II] 6718 | 40.05 ± 0.06 | 295 ± 63 | 125 ± 25 | 21.66 ± 1.82 |
| [S II] 6732 | 39.67 ± 0.12 | 295 ± 63 | 125 ± 25 | 9.28 ± 1.64 |
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 | 6.00 |
|---|---|
| Hβ Broad SNR | 2.39 |
| Hγ Broad SNR | 0.69 |
| AGN frac | 0.23 |
| Host frac | 0.77 |
| log L5100,Host | 43.21 |
| Fe II/Hβ | 0.58 |
| Fe II/[O III] | 0.99 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.