PKS J2231-0824
Observation
| Spectrum ID | 6994026_sp1 |
|---|---|
| Alt name | MRC 2229-086 |
| z | 0.0830 |
| RA, Dec | 337.9300, -8.4089 |
| MJD | 60911.54 |
| SNR/Å B/R | 19.0/33.9 |
| Obs Airmass | 1.17 |
| SMSS ID | 6994026 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.8 ± 0.0 |
| 2MASS Kext | 11.1 ± 0.1 |
AGN Properties
| Spectrum Type | Non-ELG |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.047 |
| Power law αν | 0.50 ± 0.01 |
| log L5100,AGN | 42.85 ± 0.05 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | — | — | — | — |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.77 ± 0.06 | 1421 ± 63 | 603 ± 25 | 40.12 ± 4.62 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | — | — | — | — |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 40.86 ± 0.05 | 1413 ± 62 | 600 ± 25 | 98.47 ± 6.07 |
| [S II] 6718 | 40.74 ± 0.09 | 1413 ± 62 | 600 ± 25 | 79.34 ± 7.47 |
| [S II] 6732 | 40.45 ± 0.16 | 1413 ± 62 | 600 ± 25 | 40.47 ± 7.54 |
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 | 0.47 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.06 |
| Host frac | 0.94 |
| log L5100,Host | 44.05 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.70 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
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.