6dFGS gJ220955.8-101449
Observation
| Spectrum ID | 5158233_sp1 |
|---|---|
| Alt name | g2209558-101449 |
| z | 0.0833 |
| RA, Dec | 332.4824, -10.2469 |
| MJD | 60093.77 |
| SNR/Å B/R | 6.8/9.6 |
| Obs Airmass | 1.14 |
| SMSS ID | 5158233 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.9 ± 0.0 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.031 |
| Power law αν | -1.60 ± 0.30 |
| log L5100,AGN | 42.96 ± 0.05 |
| log HβBr/[O III] | -0.18 ± 0.05 |
| log ML5100/M☉ | 6.74 ± 0.07 |
| log MHα/M☉ | 6.53 ± 0.04 |
| log MHβ/M☉ | 6.60 ± 0.08 |
| log M[O III]/M☉ | 6.82 ± 0.07 |
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 | 39.76 ± 0.22 | 235 ± 63 | 160 ± 27 | 2.95 ± 1.07 |
| Hγ Broad | 40.46 ± 0.09 | 1216 ± 67 | 458 ± 25 | 13.96 ± 1.65 |
| [O III] 4364 | 39.78 ± 0.14 | 213 ± 63 | 87 ± 25 | 3.12 ± 0.66 |
| He II Narrow | 39.09 ± 0.43 | 213 ± 63 | 87 ± 25 | 0.66 ± 0.59 |
| He II Broad | 40.23 ± 0.14 | 1715 ± 92 | 728 ± 38 | 8.88 ± 1.74 |
| Hβ Narrow | 40.23 ± 0.07 | 235 ± 63 | 160 ± 27 | 9.07 ± 1.04 |
| Hβ Broad | 40.86 ± 0.05 | 1385 ± 94 | 589 ± 96 | 38.46 ± 2.45 |
| [O III] 5007 | 41.04 ± 0.01 | 235 ± 63 | 160 ± 27 | 60.93 ± 1.17 |
| He I Narrow | 39.86 ± 0.17 | 213 ± 63 | 87 ± 25 | 4.27 ± 0.79 |
| He I Broad | 40.37 ± 0.10 | 1672 ± 88 | 710 ± 36 | 13.80 ± 1.97 |
| [O I] 6300 | 40.01 ± 0.08 | 213 ± 63 | 87 ± 25 | 6.10 ± 0.74 |
| Hα Narrow | 40.68 ± 0.02 | 213 ± 63 | 87 ± 25 | 29.31 ± 0.66 |
| Hα Broad | 41.62 ± 0.01 | 1346 ± 65 | 639 ± 26 | 256.27 ± 2.74 |
| [N II] 6585 | 40.43 ± 0.03 | 213 ± 63 | 87 ± 25 | 16.58 ± 0.60 |
| [S II] 6718 | 40.33 ± 0.07 | 213 ± 63 | 87 ± 25 | 13.17 ± 1.19 |
| [S II] 6732 | 40.10 ± 0.06 | 213 ± 63 | 87 ± 25 | 7.76 ± 0.82 |
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 | 16.13 |
|---|---|
| Hβ Broad SNR | 3.83 |
| Hγ Broad SNR | 2.15 |
| AGN frac | 0.44 |
| Host frac | 0.56 |
| log L5100,Host | 43.07 |
| Fe II/Hβ | 0.35 |
| Fe II/[O III] | 0.22 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 0 |
balmer_width | 0 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.