6dFGS gJ084314.8-702344
Observation
| Spectrum ID | 462766220_sp1 |
|---|---|
| Alt name | g0843148-702344 |
| z | 0.0815 |
| RA, Dec | 130.8117, -70.3955 |
| MJD | 60048.41 |
| SNR/Å B/R | 19.1/20.2 |
| Obs Airmass | 1.30 |
| SMSS ID | 462766220 |
| Closest SMSS | 9.99'', 1561449658 |
| SMSS Mean r6"ap | 15.7 ± 0.1 |
| 2MASS Kext | 12.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.075 |
| Power law αν | 0.50 ± 0.01 |
| log L5100,AGN | 44.28 ± 0.01 |
| log HβBr/[O III] | 1.28 ± 0.05 |
| log ML5100/M☉ | 8.96 ± 0.01 |
| log MHα/M☉ | 8.91 ± 0.04 |
| log MHβ/M☉ | 9.07 ± 0.01 |
| log M[O III]/M☉ | 8.64 ± 0.03 |
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 | 40.34 ± 0.57 | 1941 ± 63 | 669 ± 25 | 0.39 ± 0.26 |
| Hγ Broad | 41.52 ± 0.07 | 2451 ± 70 | 894 ± 25 | 5.69 ± 0.38 |
| [O III] 4364 | 41.53 ± 0.03 | 991 ± 62 | 421 ± 25 | 6.21 ± 0.24 |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | — | — | — | — |
| Hβ Broad | 42.68 ± 0.01 | 9266 ± 87 | 3459 ± 25 | 112.81 ± 0.92 |
| [O III] 5007 | 41.40 ± 0.05 | 1941 ± 63 | 669 ± 25 | 6.41 ± 0.34 |
| He I Narrow | — | — | — | — |
| He I Broad | 41.43 ± 0.06 | 4036 ± 62 | 1714 ± 25 | 10.44 ± 0.69 |
| [O I] 6300 | 40.30 ± 0.29 | 991 ± 62 | 421 ± 25 | 0.91 ± 0.36 |
| Hα Narrow | 41.39 ± 0.04 | 991 ± 62 | 421 ± 25 | 12.29 ± 0.54 |
| Hα Broad | 43.06 ± 0.01 | 7553 ± 91 | 3110 ± 25 | 579.47 ± 1.59 |
| [N II] 6585 | 41.59 ± 0.02 | 991 ± 62 | 421 ± 25 | 19.71 ± 0.54 |
| [S II] 6718 | 40.64 ± 0.20 | 991 ± 62 | 421 ± 25 | 2.34 ± 0.57 |
| [S II] 6732 | 40.47 ± 0.29 | 991 ± 62 | 421 ± 25 | 1.59 ± 0.58 |
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 | 20.63 |
|---|---|
| Hβ Broad SNR | 9.87 |
| Hγ Broad SNR | 2.92 |
| AGN frac | 0.88 |
| Host frac | 0.12 |
| log L5100,Host | 43.43 |
| Fe II/Hβ | 0.42 |
| Fe II/[O III] | 8.09 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
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.