6dFGS gJ140125.6-491314
Observation
| Spectrum ID | 322999424_sp1 |
|---|---|
| Alt name | g1401256-491314 |
| z | 0.0723 |
| RA, Dec | 210.3565, -49.2206 |
| MJD | 60379.76 |
| SNR/Å B/R | 9.1/13.5 |
| Obs Airmass | 1.09 |
| SMSS ID | 322999424 |
| Closest SMSS | 13.25'', 322999423 |
| SMSS Mean r6"ap | 17.2 ± 0.1 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.193 |
| Power law αν | -1.75 ± 0.21 |
| log L5100,AGN | 42.59 ± 0.25 |
| log HβBr/[O III] | 0.03 ± 0.02 |
| log ML5100/M☉ | 7.46 ± 0.12 |
| log MHα/M☉ | 7.80 ± 0.02 |
| log MHβ/M☉ | 7.75 ± 0.04 |
| log M[O III]/M☉ | 7.88 ± 0.03 |
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 ± 0.33 | 317 ± 63 | 218 ± 27 | 6.70 ± 3.77 |
| Hγ Broad | 41.07 ± 0.05 | 1897 ± 360 | 1161 ± 70 | 149.78 ± 8.37 |
| [O III] 4364 | 39.34 ± 0.40 | 301 ± 63 | 127 ± 25 | 2.79 ± 2.26 |
| He II Narrow | 39.93 ± 0.15 | 301 ± 63 | 127 ± 25 | 11.19 ± 1.95 |
| He II Broad | 39.96 ± 0.30 | 1348 ± 75 | 572 ± 31 | 11.54 ± 4.32 |
| Hβ Narrow | 40.33 ± 0.07 | 317 ± 63 | 218 ± 27 | 28.23 ± 3.50 |
| Hβ Broad | 41.47 ± 0.02 | 3798 ± 101 | 1436 ± 30 | 383.57 ± 7.72 |
| [O III] 5007 | 41.44 ± 0.01 | 317 ± 63 | 218 ± 27 | 363.05 ± 3.95 |
| He I Narrow | 39.87 ± 0.23 | 301 ± 63 | 127 ± 25 | 10.12 ± 2.96 |
| He I Broad | 40.90 ± 0.06 | 5118 ± 102 | 2173 ± 43 | 110.03 ± 8.64 |
| [O I] 6300 | 40.02 ± 0.09 | 301 ± 63 | 127 ± 25 | 14.62 ± 1.90 |
| Hα Narrow | 40.98 ± 0.02 | 301 ± 63 | 127 ± 25 | 136.54 ± 2.37 |
| Hα Broad | 42.08 ± 0.01 | 4167 ± 83 | 1659 ± 25 | 1720.33 ± 9.78 |
| [N II] 6585 | 40.98 ± 0.01 | 301 ± 63 | 127 ± 25 | 134.87 ± 2.34 |
| [S II] 6718 | 40.41 ± 0.04 | 301 ± 63 | 127 ± 25 | 36.93 ± 2.28 |
| [S II] 6732 | 40.41 ± 0.04 | 301 ± 63 | 127 ± 25 | 36.91 ± 2.15 |
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 | 15.30 |
|---|---|
| Hβ Broad SNR | 5.54 |
| Hγ Broad SNR | 3.75 |
| AGN frac | 0.12 |
| Host frac | 0.88 |
| log L5100,Host | 43.46 |
| Fe II/Hβ | 0.15 |
| Fe II/[O III] | 0.16 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
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.