Z 9-7
Observation
| Spectrum ID | 92589160_sp1 |
|---|---|
| Alt name | g1021402-032714 |
| z | 0.0407 |
| RA, Dec | 155.4177, -3.4538 |
| MJD | 60059.42 |
| SNR/Å B/R | 48.0/51.1 |
| Obs Airmass | 1.13 |
| SMSS ID | 92589160 |
| Closest SMSS | 9.08'', 2151855939 |
| SMSS Mean r6"ap | 14.7 ± 0.2 |
| 2MASS Kext | 11.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.039 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 44.03 ± 0.01 |
| log HβBr/[O III] | 0.84 ± 0.01 |
| log ML5100/M☉ | 8.91 ± 0.02 |
| log MHα/M☉ | 8.46 ± 0.02 |
| log MHβ/M☉ | 8.85 ± 0.02 |
| log M[O III]/M☉ | 8.61 ± 0.02 |
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 | 39.44 ± 0.34 | 243 ± 63 | 156 ± 25 | 0.09 ± 0.06 |
| Hγ Broad | 41.14 ± 0.05 | — | 2248 ± 33 | 4.33 ± 0.22 |
| [O III] 4364 | 39.30 ± 0.40 | 210 ± 63 | 87 ± 25 | 0.06 ± 0.04 |
| He II Narrow | 39.43 ± 0.30 | 210 ± 63 | 87 ± 25 | 0.10 ± 0.04 |
| He II Broad | 39.62 ± 0.39 | 1351 ± 63 | 573 ± 25 | 0.16 ± 0.11 |
| Hβ Narrow | 40.12 ± 0.08 | 243 ± 63 | 156 ± 25 | 0.55 ± 0.07 |
| Hβ Broad | 42.06 ± 0.01 | 9944 ± 173 | 3964 ± 28 | 48.34 ± 0.36 |
| [O III] 5007 | 41.22 ± 0.01 | 243 ± 63 | 156 ± 25 | 7.52 ± 0.08 |
| He I Narrow | 39.08 ± 0.38 | 210 ± 63 | 87 ± 25 | 0.08 ± 0.05 |
| He I Broad | 41.26 ± 0.03 | 8743 ± 63 | 3713 ± 25 | 12.20 ± 0.38 |
| [O I] 6300 | 39.78 ± 0.09 | 210 ± 63 | 87 ± 25 | 0.49 ± 0.06 |
| Hα Narrow | 40.43 ± 0.03 | 210 ± 63 | 87 ± 25 | 2.38 ± 0.09 |
| Hα Broad | 42.33 ± 0.01 | 7525 ± 71 | 3014 ± 71 | 191.00 ± 0.62 |
| [N II] 6585 | 40.40 ± 0.03 | 210 ± 63 | 87 ± 25 | 2.28 ± 0.08 |
| [S II] 6718 | 39.92 ± 0.07 | 210 ± 63 | 87 ± 25 | 0.78 ± 0.08 |
| [S II] 6732 | 39.95 ± 0.07 | 210 ± 63 | 87 ± 25 | 0.85 ± 0.07 |
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 | 18.16 |
|---|---|
| Hβ Broad SNR | 10.15 |
| Hγ Broad SNR | 2.81 |
| AGN frac | 0.85 |
| Host frac | 0.15 |
| log L5100,Host | 43.29 |
| Fe II/Hβ | 0.70 |
| Fe II/[O III] | 4.81 |
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.