6dFGS gJ114127.3-505120
Observation
| Spectrum ID | 411098635_sp1 |
|---|---|
| Alt name | g1141273-505120 |
| z | 0.0495 |
| RA, Dec | 175.3638, -50.8554 |
| MJD | 59347.46 |
| SNR/Å B/R | 14.6/29.4 |
| Obs Airmass | 1.07 |
| SMSS ID | 411098635 |
| Closest SMSS | 10.38'', 411098636 |
| SMSS Mean r6"ap | 16.6 ± 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) | 0.117 |
| Power law αν | -1.97 ± 0.04 |
| log L5100,AGN | 42.47 ± 0.11 |
| log HβBr/[O III] | 0.07 ± 0.06 |
| log ML5100/M☉ | 8.09 ± 0.11 |
| log MHα/M☉ | 7.33 ± 0.04 |
| log MHβ/M☉ | 8.07 ± 0.11 |
| log M[O III]/M☉ | 8.16 ± 0.10 |
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 | 39.65 ± 0.11 | 368 ± 62 | 156 ± 25 | 7.75 ± 1.28 |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.63 ± 0.15 | 391 ± 63 | 331 ± 38 | 7.40 ± 2.02 |
| Hβ Broad | 40.67 ± 0.06 | 8330 ± 869 | 3318 ± 47 | 79.46 ± 5.53 |
| [O III] 5007 | 40.60 ± 0.02 | 391 ± 63 | 331 ± 38 | 68.40 ± 2.10 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.76 ± 0.19 | 4421 ± 62 | 1877 ± 25 | 10.10 ± 2.38 |
| [O I] 6300 | 39.37 ± 0.12 | 368 ± 62 | 156 ± 25 | 4.03 ± 0.66 |
| Hα Narrow | 40.17 ± 0.03 | 368 ± 62 | 156 ± 25 | 25.66 ± 0.86 |
| Hα Broad | 41.48 ± 0.01 | 3729 ± 166 | 1878 ± 25 | 528.91 ± 2.91 |
| [N II] 6585 | 40.10 ± 0.03 | 368 ± 62 | 156 ± 25 | 21.86 ± 0.84 |
| [S II] 6718 | 39.89 ± 0.04 | 368 ± 62 | 156 ± 25 | 13.36 ± 0.70 |
| [S II] 6732 | 39.77 ± 0.05 | 368 ± 62 | 156 ± 25 | 10.34 ± 0.69 |
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 | 11.74 |
|---|---|
| Hβ Broad SNR | 1.23 |
| Hγ Broad SNR | 0.73 |
| AGN frac | 0.15 |
| Host frac | 0.85 |
| log L5100,Host | 43.21 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.