6dFGS gJ043659.1-301042
Observation
| Spectrum ID | 19391280_sp1 |
|---|---|
| Alt name | g0436591-301042 |
| z | 0.0999 |
| RA, Dec | 69.2465, -30.1784 |
| MJD | 60255.67 |
| SNR/Å B/R | 15.5/19.5 |
| Obs Airmass | 1.04 |
| SMSS ID | 19391280 |
| Closest SMSS | 14.65'', 19391337 |
| SMSS Mean r6"ap | 17.1 ± 0.0 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.032 |
| Power law αν | 0.45 ± 0.04 |
| log L5100,AGN | 43.64 ± 0.01 |
| log HβBr/[O III] | 0.37 ± 0.03 |
| log ML5100/M☉ | 7.13 ± 0.03 |
| log MHα/M☉ | 6.80 ± 0.04 |
| log MHβ/M☉ | 7.09 ± 0.04 |
| log M[O III]/M☉ | 7.07 ± 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 | 40.05 ± 0.32 | 486 ± 64 | 252 ± 26 | 0.87 ± 0.30 |
| Hγ Broad | 40.67 ± 0.14 | 1435 ± 179 | 546 ± 54 | 3.36 ± 0.51 |
| [O III] 4364 | 40.06 ± 0.21 | 455 ± 64 | 193 ± 26 | 0.92 ± 0.28 |
| He II Narrow | 40.39 ± 0.09 | 455 ± 64 | 193 ± 26 | 2.32 ± 0.31 |
| He II Broad | 41.22 ± 0.07 | 10867 ± 101 | 4615 ± 42 | 15.57 ± 1.48 |
| Hβ Narrow | 40.48 ± 0.13 | 486 ± 64 | 252 ± 26 | 3.15 ± 0.35 |
| Hβ Broad | 41.74 ± 0.03 | 1540 ± 53 | 3270 ± 116 | 57.50 ± 1.96 |
| [O III] 5007 | 41.38 ± 0.01 | 486 ± 64 | 252 ± 26 | 26.44 ± 0.41 |
| He I Narrow | 39.26 ± 0.48 | 455 ± 64 | 193 ± 26 | 0.30 ± 0.27 |
| He I Broad | 40.36 ± 0.12 | 1764 ± 103 | 749 ± 43 | 3.77 ± 0.56 |
| [O I] 6300 | 39.98 ± 0.11 | 455 ± 64 | 193 ± 26 | 1.89 ± 0.45 |
| Hα Narrow | 41.06 ± 0.03 | 455 ± 64 | 193 ± 26 | 24.95 ± 0.52 |
| Hα Broad | 41.94 ± 0.01 | 1467 ± 68 | 657 ± 36 | 190.23 ± 1.55 |
| [N II] 6585 | 40.36 ± 0.15 | 455 ± 64 | 193 ± 26 | 4.97 ± 0.57 |
| [S II] 6718 | 40.28 ± 0.06 | 455 ± 64 | 193 ± 26 | 4.41 ± 0.48 |
| [S II] 6732 | 40.28 ± 0.07 | 455 ± 64 | 193 ± 26 | 4.38 ± 0.46 |
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 | 21.22 |
|---|---|
| Hβ Broad SNR | 9.53 |
| Hγ Broad SNR | 1.91 |
| AGN frac | 0.63 |
| Host frac | 0.37 |
| log L5100,Host | 43.42 |
| Fe II/Hβ | 0.57 |
| Fe II/[O III] | 1.31 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 2 |
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.