6dFGS gJ161944.1-132616
Observation
| Spectrum ID | 174340801_sp1 |
|---|---|
| Alt name | g1619441-132616 |
| z | 0.0786 |
| RA, Dec | 244.9336, -13.4379 |
| MJD | 60165.4 |
| SNR/Å B/R | 4.4/10.1 |
| Obs Airmass | 1.05 |
| 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 | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.318 |
| Power law αν | 0.48 ± 0.02 |
| log L5100,AGN | 42.61 ± 0.06 |
| log HβBr/[O III] | <0.09 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.60 ± 0.04 |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | — | — | — | — |
| He II Broad | 39.63 ± 0.53 | 1637 ± 62 | 695 ± 25 | 4.36 ± 4.31 |
| Hβ Narrow | 39.73 ± 0.24 | 334 ± 63 | 148 ± 26 | 6.02 ± 2.80 |
| Hβ Broad | <40.70 | — | — | — |
| [O III] 5007 | 40.61 ± 0.04 | 334 ± 63 | 148 ± 26 | 48.06 ± 3.41 |
| He I Narrow | 39.30 ± 0.42 | 337 ± 62 | 140 ± 25 | 3.55 ± 3.04 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.29 ± 0.42 | 337 ± 62 | 140 ± 25 | 4.20 ± 2.86 |
| Hα Narrow | 40.55 ± 0.03 | 337 ± 62 | 140 ± 25 | 83.97 ± 3.81 |
| Hα Broad | 41.68 ± 0.01 | 4407 ± 200 | 1800 ± 41 | 1131.82 ± 17.90 |
| [N II] 6585 | 40.29 ± 0.08 | 337 ± 62 | 140 ± 25 | 47.00 ± 4.31 |
| [S II] 6718 | 40.04 ± 0.16 | 337 ± 62 | 140 ± 25 | 27.28 ± 5.39 |
| [S II] 6732 | 39.78 ± 0.17 | 337 ± 62 | 140 ± 25 | 15.24 ± 4.62 |
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 | 4.87 |
|---|---|
| Hβ Broad SNR | 0.37 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.21 |
| Host frac | 0.79 |
| log L5100,Host | 43.18 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
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.