6dFGS gJ062658.6-370559
Observation
| Spectrum ID | 28975155_sp1 |
|---|---|
| Alt name | g0626586-370559 |
| z | 0.0384 |
| RA, Dec | 96.7443, -37.0995 |
| MJD | 59995.52 |
| SNR/Å B/R | 5.5/12.2 |
| Obs Airmass | 1.09 |
| SMSS ID | 28975155 |
| Closest SMSS | 13.95'', 28975156 |
| SMSS Mean r6"ap | 16.5 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.072 |
| Power law αν | -1.03 ± 0.36 |
| log L5100,AGN | 42.98 ± 0.05 |
| log HβBr/[O III] | <-0.23 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.36 ± 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 | 39.58 ± 0.38 | 268 ± 63 | 143 ± 27 | 1.76 ± 1.20 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.83 ± 0.23 | 266 ± 63 | 112 ± 25 | 3.15 ± 1.12 |
| He II Narrow | 39.58 ± 0.32 | 266 ± 63 | 112 ± 25 | 1.88 ± 0.89 |
| He II Broad | 39.70 ± 0.44 | 1267 ± 64 | 538 ± 26 | 2.45 ± 1.91 |
| Hβ Narrow | 40.35 ± 0.06 | 268 ± 63 | 143 ± 27 | 11.60 ± 1.04 |
| Hβ Broad | <40.85 | — | — | — |
| [O III] 5007 | 41.09 ± 0.01 | 268 ± 63 | 143 ± 27 | 64.16 ± 1.07 |
| He I Narrow | 39.43 ± 0.28 | 266 ± 63 | 112 ± 25 | 1.66 ± 0.61 |
| He I Broad | 39.89 ± 0.23 | 1178 ± 62 | 500 ± 25 | 4.79 ± 1.27 |
| [O I] 6300 | 39.84 ± 0.11 | 266 ± 63 | 112 ± 25 | 4.51 ± 0.66 |
| Hα Narrow | 41.05 ± 0.01 | 266 ± 63 | 112 ± 25 | 77.03 ± 0.75 |
| Hα Broad | 41.49 ± 0.01 | 3829 ± 165 | 1724 ± 54 | 212.61 ± 3.41 |
| [N II] 6585 | 40.68 ± 0.02 | 266 ± 63 | 112 ± 25 | 32.61 ± 0.75 |
| [S II] 6718 | 40.42 ± 0.03 | 266 ± 63 | 112 ± 25 | 18.19 ± 0.74 |
| [S II] 6732 | 40.19 ± 0.05 | 266 ± 63 | 112 ± 25 | 10.87 ± 0.73 |
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 | 3.49 |
|---|---|
| Hβ Broad SNR | 0.96 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.43 |
| Host frac | 0.57 |
| log L5100,Host | 43.10 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.