6dFGS gJ140925.4-062547
Observation
| Spectrum ID | 110033878_sp2 |
|---|---|
| Alt name | g1409254-062547 |
| z | 0.0725 |
| RA, Dec | 212.3560, -6.4297 |
| MJD | 59671.62 |
| SNR/Å B/R | 10.1/20.5 |
| Obs Airmass | 1.12 |
| 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 | -1.94 ± 0.05 |
| log L5100,AGN | 42.98 ± 0.03 |
| log HβBr/[O III] | 0.15 ± 0.04 |
| log ML5100/M☉ | 7.21 ± 0.11 |
| log MHα/M☉ | 6.79 ± 0.05 |
| log MHβ/M☉ | 7.18 ± 0.11 |
| log M[O III]/M☉ | 7.24 ± 0.11 |
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 | 39.59 ± 0.35 | 328 ± 63 | 336 ± 38 | 2.09 ± 1.64 |
| Hγ Broad | 40.61 ± 0.10 | 2327 ± 423 | 955 ± 65 | 21.02 ± 2.53 |
| [O III] 4364 | 39.25 ± 0.43 | 312 ± 63 | 131 ± 25 | 0.95 ± 0.79 |
| He II Narrow | — | — | — | — |
| He II Broad | 39.45 ± 0.45 | 1184 ± 63 | 502 ± 25 | 1.48 ± 1.38 |
| Hβ Narrow | 40.16 ± 0.11 | 328 ± 63 | 336 ± 38 | 7.80 ± 1.50 |
| Hβ Broad | 41.12 ± 0.04 | 2365 ± 273 | 1855 ± 87 | 70.56 ± 3.45 |
| [O III] 5007 | 40.97 ± 0.02 | 328 ± 63 | 336 ± 38 | 49.96 ± 1.62 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.01 ± 0.18 | 3024 ± 66 | 1284 ± 27 | 5.48 ± 1.25 |
| [O I] 6300 | 39.64 ± 0.11 | 312 ± 63 | 131 ± 25 | 2.40 ± 0.39 |
| Hα Narrow | 40.54 ± 0.03 | 312 ± 63 | 131 ± 25 | 18.87 ± 0.47 |
| Hα Broad | 41.51 ± 0.01 | 1948 ± 92 | 971 ± 25 | 177.60 ± 1.48 |
| [N II] 6585 | 40.56 ± 0.02 | 312 ± 63 | 131 ± 25 | 20.06 ± 0.46 |
| [S II] 6718 | 40.13 ± 0.05 | 312 ± 63 | 131 ± 25 | 7.43 ± 0.46 |
| [S II] 6732 | 39.95 ± 0.06 | 312 ± 63 | 131 ± 25 | 4.86 ± 0.44 |
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 | 10.44 |
|---|---|
| Hβ Broad SNR | 3.62 |
| Hγ Broad SNR | 1.90 |
| AGN frac | 0.33 |
| Host frac | 0.67 |
| log L5100,Host | 43.28 |
| Fe II/Hβ | 0.54 |
| Fe II/[O III] | 0.76 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 2 |
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.