6dFGS gJ091214.8-050355
Observation
| Spectrum ID | 89398103_sp1 |
|---|---|
| Alt name | g0912148-050355 |
| z | 0.0921 |
| RA, Dec | 138.0614, -5.0651 |
| MJD | 60406.39 |
| SNR/Å B/R | 2.6/3.4 |
| Obs Airmass | 1.14 |
| SMSS ID | 89398103 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | nan ± nan |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Bad |
|---|---|
| Quality Flag | bad_all |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.022 |
| Power law αν | -1.82 ± 0.10 |
| log L5100,AGN | 42.45 ± 0.08 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.14 ± 0.08 |
| 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 | 39.33 ± 0.35 | — | 221 ± 25 | 3.80 ± 2.04 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 38.99 ± 0.38 | 121 ± 62 | 50 ± 25 | 1.75 ± 1.04 |
| He II Broad | 39.40 ± 0.45 | 1191 ± 62 | 505 ± 25 | 4.52 ± 3.63 |
| Hβ Narrow | 39.69 ± 0.20 | — | 221 ± 25 | 8.77 ± 1.82 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.59 ± 0.02 | — | 221 ± 25 | 70.46 ± 2.04 |
| He I Narrow | 38.87 ± 0.42 | 121 ± 62 | 50 ± 25 | 1.39 ± 0.93 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.19 ± 0.28 | 121 ± 62 | 50 ± 25 | 2.94 ± 1.05 |
| Hα Narrow | 39.93 ± 0.05 | 121 ± 62 | 50 ± 25 | 16.33 ± 0.97 |
| Hα Broad | 40.66 ± 0.04 | 1696 ± 95 | 625 ± 25 | 85.03 ± 4.27 |
| [N II] 6585 | 39.33 ± 0.16 | 121 ± 62 | 50 ± 25 | 4.10 ± 0.98 |
| [S II] 6718 | 39.35 ± 0.18 | 121 ± 62 | 50 ± 25 | 4.23 ± 1.23 |
| [S II] 6732 | — | — | — | — |
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 | 2.37 |
|---|---|
| Hβ Broad SNR | 0.94 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.53 |
| Host frac | 0.47 |
| log L5100,Host | 42.40 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.60 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.