6dFGS gJ170056.7-030646
Observation
| Spectrum ID | 195000846_sp2 |
|---|---|
| Alt name | g1700567-030646 |
| z | 0.0801 |
| RA, Dec | 255.2363, -3.1129 |
| MJD | 61146.67 |
| SNR/Å B/R | 8.5/16.3 |
| Obs Airmass | 1.21 |
| SMSS ID | 195000846 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.1 ± 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) | 0.284 |
| Power law αν | -1.96 ± 0.06 |
| log L5100,AGN | 42.48 ± 0.40 |
| log HβBr/[O III] | <-0.27 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 8.37 ± 0.16 |
| 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 | 40.12 ± 0.23 | 332 ± 63 | 185 ± 28 | 22.37 ± 11.08 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.86 ± 0.30 | 314 ± 62 | 131 ± 25 | 12.38 ± 6.47 |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.49 ± 0.09 | 332 ± 63 | 185 ± 28 | 52.60 ± 8.21 |
| Hβ Broad | <40.99 | — | — | — |
| [O III] 5007 | 41.26 ± 0.02 | 332 ± 63 | 185 ± 28 | 312.76 ± 9.17 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.10 ± 0.32 | 1702 ± 62 | 723 ± 25 | 21.53 ± 9.81 |
| [O I] 6300 | 40.20 ± 0.10 | 314 ± 62 | 131 ± 25 | 27.37 ± 3.63 |
| Hα Narrow | 40.94 ± 0.02 | 314 ± 62 | 131 ± 25 | 151.75 ± 4.83 |
| Hα Broad | 41.80 ± 0.03 | 9857 ± 1778 | 4649 ± 42 | 1094.18 ± 29.96 |
| [N II] 6585 | 41.00 ± 0.02 | 314 ± 62 | 131 ± 25 | 174.39 ± 4.85 |
| [S II] 6718 | 40.64 ± 0.04 | 314 ± 62 | 131 ± 25 | 75.15 ± 5.88 |
| [S II] 6732 | 40.45 ± 0.08 | 314 ± 62 | 131 ± 25 | 48.21 ± 5.69 |
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 | 1.77 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.05 |
| Host frac | 0.95 |
| log L5100,Host | 43.76 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
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.