6dFGS gJ100202.9-302117
Observation
| Spectrum ID | 81663691_sp1 |
|---|---|
| Alt name | g1002029-302117 |
| z | 0.0617 |
| RA, Dec | 150.5122, -30.3547 |
| MJD | 60018.51 |
| SNR/Å B/R | 9.5/24.5 |
| Obs Airmass | 1.00 |
| SMSS ID | 81663691 |
| Closest SMSS | 5.21'', 2135723245 |
| SMSS Mean r6"ap | 16.6 ± 0.1 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.068 |
| Power law αν | -1.97 ± 0.03 |
| log L5100,AGN | 42.94 ± 0.03 |
| log HβBr/[O III] | 0.61 ± 0.05 |
| log ML5100/M☉ | 8.52 ± 0.07 |
| log MHα/M☉ | 8.11 ± 0.02 |
| log MHβ/M☉ | 8.58 ± 0.07 |
| log M[O III]/M☉ | 8.43 ± 0.08 |
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 | 39.40 ± 0.39 | 354 ± 63 | 149 ± 25 | 1.49 ± 1.02 |
| He II Narrow | 39.59 ± 0.31 | 354 ± 63 | 149 ± 25 | 2.28 ± 0.93 |
| He II Broad | 40.13 ± 0.24 | 2535 ± 63 | 1077 ± 25 | 8.04 ± 2.43 |
| Hβ Narrow | 39.75 ± 0.27 | 374 ± 64 | 273 ± 53 | 3.27 ± 1.55 |
| Hβ Broad | 41.30 ± 0.03 | 10821 ± 784 | 3719 ± 55 | 116.53 ± 4.11 |
| [O III] 5007 | 40.68 ± 0.04 | 374 ± 64 | 273 ± 53 | 28.48 ± 1.61 |
| He I Narrow | — | — | — | — |
| He I Broad | 39.99 ± 0.13 | 1675 ± 63 | 711 ± 25 | 5.79 ± 0.92 |
| [O I] 6300 | 39.86 ± 0.07 | 354 ± 63 | 149 ± 25 | 4.36 ± 0.40 |
| Hα Narrow | 40.42 ± 0.03 | 354 ± 63 | 149 ± 25 | 15.56 ± 0.45 |
| Hα Broad | 41.67 ± 0.01 | 7996 ± 102 | 2599 ± 26 | 281.17 ± 1.68 |
| [N II] 6585 | 40.35 ± 0.03 | 354 ± 63 | 149 ± 25 | 13.46 ± 0.45 |
| [S II] 6718 | 40.14 ± 0.04 | 354 ± 63 | 149 ± 25 | 8.30 ± 0.43 |
| [S II] 6732 | 40.10 ± 0.04 | 354 ± 63 | 149 ± 25 | 7.44 ± 0.43 |
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 | 4.97 |
|---|---|
| Hβ Broad SNR | 2.14 |
| Hγ Broad SNR | 0.79 |
| AGN frac | 0.31 |
| Host frac | 0.69 |
| log L5100,Host | 43.28 |
| Fe II/Hβ | 0.36 |
| Fe II/[O III] | 1.47 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
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.