6dFGS gJ161944.1-132616
Observation
| Spectrum ID | 174340801_sp2 |
|---|---|
| Alt name | g1619441-132616 |
| z | 0.0786 |
| RA, Dec | 244.9336, -13.4379 |
| MJD | 61146.65 |
| SNR/Å B/R | 3.9/9.4 |
| Obs Airmass | 1.09 |
| SMSS ID | 174340801 |
| Closest SMSS | 10.67'', 174340798 |
| SMSS Mean r6"ap | 18.1 ± 0.0 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.318 |
| Power law αν | 0.50 ± 0.01 |
| log L5100,AGN | 42.92 ± 0.04 |
| log HβBr/[O III] | -0.27 ± 0.06 |
| log ML5100/M☉ | 6.58 ± 0.03 |
| log MHα/M☉ | 7.31 ± 0.06 |
| log MHβ/M☉ | 6.35 ± 0.06 |
| log M[O III]/M☉ | 6.59 ± 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 | — | — | — | — |
| Hγ Broad | 40.37 ± 0.11 | 1179 ± 62 | 375 ± 25 | 9.78 ± 2.59 |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | — | — | — | — |
| Hβ Broad | 40.61 ± 0.06 | 1180 ± 25 | 384 ± 25 | 22.32 ± 2.71 |
| [O III] 5007 | 40.88 ± 0.02 | 391 ± 63 | 188 ± 37 | 44.09 ± 3.07 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.93 ± 0.25 | 1178 ± 62 | 500 ± 25 | 7.43 ± 4.03 |
| [O I] 6300 | 39.80 ± 0.16 | 389 ± 62 | 164 ± 25 | 6.63 ± 2.40 |
| Hα Narrow | — | — | — | — |
| Hα Broad | 41.89 ± 0.01 | 2746 ± 182 | 1742 ± 25 | 899.94 ± 13.37 |
| [N II] 6585 | 40.00 ± 0.10 | 389 ± 62 | 164 ± 25 | 11.83 ± 2.86 |
| [S II] 6718 | 40.24 ± 0.07 | 389 ± 62 | 164 ± 25 | 21.60 ± 4.47 |
| [S II] 6732 | 40.05 ± 0.12 | 389 ± 62 | 164 ± 25 | 14.06 ± 4.57 |
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 | 7.34 |
|---|---|
| Hβ Broad SNR | 1.59 |
| Hγ Broad SNR | 1.04 |
| AGN frac | 0.35 |
| Host frac | 0.65 |
| log L5100,Host | 43.18 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.