FRL 524
Observation
| Spectrum ID | 481665614_sp1 |
|---|---|
| Alt name | FAIRALL 524 |
| z | 0.0577 |
| RA, Dec | 300.0408, -50.0470 |
| MJD | 60905.48 |
| SNR/Å B/R | 15.7/33.3 |
| Obs Airmass | 1.07 |
| SMSS ID | 481665614 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.6 ± 0.0 |
| 2MASS Kext | 10.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.046 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 42.46 ± 0.13 |
| log HβBr/[O III] | 0.35 ± 0.13 |
| log ML5100/M☉ | 7.20 ± 0.07 |
| log MHα/M☉ | 5.90 ± 0.07 |
| log MHβ/M☉ | 7.21 ± 0.06 |
| log M[O III]/M☉ | 7.15 ± 0.07 |
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 | 39.76 ± 0.41 | 1157 ± 112 | 579 ± 25 | 9.16 ± 5.88 |
| Hβ Broad | 40.70 ± 0.08 | 3027 ± 30 | 1086 ± 25 | 79.43 ± 8.69 |
| [O III] 5007 | 40.35 ± 0.10 | 1157 ± 112 | 579 ± 25 | 37.79 ± 6.08 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | — | — | — | — |
| Hα Broad | 40.69 ± 0.05 | 1254 ± 63 | 470 ± 25 | 162.74 ± 8.24 |
| [N II] 6585 | 40.35 ± 0.04 | 583 ± 62 | 246 ± 25 | 76.22 ± 5.23 |
| [S II] 6718 | 40.18 ± 0.06 | 583 ± 62 | 246 ± 25 | 53.43 ± 5.31 |
| [S II] 6732 | 39.79 ± 0.14 | 583 ± 62 | 246 ± 25 | 22.21 ± 5.25 |
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 | 2.17 |
|---|---|
| Hβ Broad SNR | 1.25 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.05 |
| Host frac | 0.95 |
| log L5100,Host | 43.75 |
| Fe II/Hβ | 1.12 |
| Fe II/[O III] | 2.53 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.