6dFGS gJ141646.7-491748
Observation
| Spectrum ID | 322884443_sp1 |
|---|---|
| Alt name | g1416467-491748 |
| z | 0.0929 |
| RA, Dec | 214.1946, -49.2966 |
| MJD | 61112.74 |
| SNR/Å B/R | 6.9/13.0 |
| Obs Airmass | 1.06 |
| SMSS ID | 322884443 |
| Closest SMSS | 2.66'', 2480011191 |
| SMSS Mean r6"ap | 16.8 ± 0.1 |
| 2MASS Kext | 12.6 ± 0.0 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.171 |
| Power law αν | -1.00 ± 0.09 |
| log L5100,AGN | 41.73 ± 0.69 |
| log HβBr/[O III] | 0.66 ± 0.06 |
| log ML5100/M☉ | 7.90 ± 0.32 |
| log MHα/M☉ | 7.88 ± 0.15 |
| log MHβ/M☉ | 8.70 ± 0.10 |
| log M[O III]/M☉ | 8.54 ± 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.94 ± 0.31 | 578 ± 62 | 245 ± 25 | 76.16 ± 54.56 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.55 ± 0.14 | 761 ± 87 | 492 ± 35 | 323.33 ± 87.18 |
| Hβ Broad | 41.77 ± 0.04 | 9688 ± 1190 | 4140 ± 40 | 5261.51 ± 279.07 |
| [O III] 5007 | 41.11 ± 0.05 | 761 ± 87 | 492 ± 35 | 1185.83 ± 99.81 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.83 ± 0.33 | 578 ± 62 | 245 ± 25 | 78.18 ± 50.24 |
| Hα Narrow | 40.62 ± 0.08 | 578 ± 62 | 245 ± 25 | 512.47 ± 55.62 |
| Hα Broad | 42.09 ± 0.01 | 4607 ± 779 | 3095 ± 28 | 14862.32 ± 248.78 |
| [N II] 6585 | 40.91 ± 0.05 | 578 ± 62 | 245 ± 25 | 984.38 ± 57.06 |
| [S II] 6718 | 39.79 ± 0.37 | 578 ± 62 | 245 ± 25 | 76.34 ± 58.39 |
| [S II] 6732 | 40.42 ± 0.11 | 578 ± 62 | 245 ± 25 | 324.59 ± 60.19 |
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 | 4.57 |
|---|---|
| Hβ Broad SNR | 1.75 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.01 |
| Host frac | 0.99 |
| log L5100,Host | 43.76 |
| Fe II/Hβ | 0.70 |
| Fe II/[O III] | 3.20 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
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.