6dFGS gJ085929.7-253108
Observation
| Spectrum ID | 47255363_sp2 |
|---|---|
| Alt name | g0859297-253108 |
| z | 0.0780 |
| RA, Dec | 134.8739, -25.5188 |
| MJD | 61138.42 |
| SNR/Å B/R | 10.5/17.8 |
| Obs Airmass | 1.01 |
| SMSS ID | 47255363 |
| Closest SMSS | 10.51'', 47255360 |
| SMSS Mean r6"ap | 16.7 ± 0.1 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.215 |
| Power law αν | -1.59 ± 0.22 |
| log L5100,AGN | 43.29 ± 0.06 |
| log HβBr/[O III] | <-0.45 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.82 ± 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 | 40.04 ± 0.27 | 397 ± 62 | 167 ± 25 | 2.75 ± 1.01 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.49 ± 0.12 | 411 ± 63 | 219 ± 26 | 7.99 ± 1.22 |
| Hβ Broad | <41.17 | — | — | — |
| [O III] 5007 | 41.61 ± 0.01 | 411 ± 63 | 219 ± 26 | 106.30 ± 1.53 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.13 ± 0.39 | 2415 ± 62 | 1026 ± 25 | 3.75 ± 2.45 |
| [O I] 6300 | 40.51 ± 0.07 | 397 ± 62 | 167 ± 25 | 9.30 ± 0.87 |
| Hα Narrow | 41.15 ± 0.02 | 397 ± 62 | 167 ± 25 | 41.38 ± 1.05 |
| Hα Broad | 42.06 ± 0.01 | 4361 ± 199 | 1793 ± 25 | 332.41 ± 4.08 |
| [N II] 6585 | 41.35 ± 0.02 | 397 ± 62 | 167 ± 25 | 65.38 ± 1.09 |
| [S II] 6718 | 40.88 ± 0.06 | 397 ± 62 | 167 ± 25 | 22.40 ± 1.43 |
| [S II] 6732 | 40.85 ± 0.04 | 397 ± 62 | 167 ± 25 | 20.66 ± 1.42 |
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 | 6.39 |
|---|---|
| Hβ Broad SNR | 0.70 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.23 |
| Host frac | 0.77 |
| log L5100,Host | 43.80 |
| 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.