FRL 867
Observation
| Spectrum ID | 480173095_sp1 |
|---|---|
| Alt name | g1923145-492501 |
| z | 0.0586 |
| RA, Dec | 290.8104, -49.4170 |
| MJD | 60165.5 |
| SNR/Å B/R | 18.5/28.3 |
| Obs Airmass | 1.06 |
| SMSS ID | 480173095 |
| Closest SMSS | 2.32'', 2684581222 |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.059 |
| Power law αν | 0.10 ± 0.13 |
| log L5100,AGN | 43.34 ± 0.02 |
| log HβBr/[O III] | 0.52 ± 0.14 |
| log ML5100/M☉ | 7.77 ± 0.02 |
| log MHα/M☉ | 7.57 ± 0.02 |
| log MHβ/M☉ | 7.73 ± 0.07 |
| log M[O III]/M☉ | 7.62 ± 0.03 |
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 | 39.81 ± 0.21 | 351 ± 63 | 411 ± 30 | 1.09 ± 0.38 |
| Hγ Broad | 41.04 ± 0.03 | 3495 ± 169 | 1316 ± 35 | 18.09 ± 0.64 |
| [O III] 4364 | 39.71 ± 0.19 | 315 ± 63 | 133 ± 25 | 0.86 ± 0.20 |
| He II Narrow | 39.48 ± 0.23 | 315 ± 63 | 133 ± 25 | 0.59 ± 0.19 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.22 ± 0.07 | 351 ± 63 | 411 ± 30 | 3.47 ± 0.43 |
| Hβ Broad | 41.45 +0.26−0.01 | 3743 ± 49 | 1396 ± 27 | 59.33 ± 0.74 |
| [O III] 5007 | 40.92 ± 0.02 | 351 ± 63 | 412 ± 30 | 18.82 ± 0.47 |
| He I Narrow | — | — | — | — |
| He I Broad | 41.10 ± 0.02 | 4336 ± 82 | 1841 ± 34 | 39.61 ± 0.84 |
| [O I] 6300 | 39.67 ± 0.09 | 315 ± 63 | 133 ± 25 | 1.68 ± 0.23 |
| Hα Narrow | 40.69 ± 0.02 | 315 ± 63 | 133 ± 25 | 19.23 ± 0.36 |
| Hα Broad | 42.02 ± 0.01 | 3378 ± 65 | 1492 ± 28 | 412.06 ± 1.59 |
| [N II] 6585 | 40.75 ± 0.01 | 315 ± 63 | 133 ± 25 | 22.33 ± 0.34 |
| [S II] 6718 | 40.15 ± 0.03 | 315 ± 63 | 133 ± 25 | 5.83 ± 0.27 |
| [S II] 6732 | 40.04 ± 0.04 | 315 ± 63 | 133 ± 25 | 4.56 ± 0.26 |
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 | 26.90 |
|---|---|
| Hβ Broad SNR | 9.87 |
| Hγ Broad SNR | 4.64 |
| AGN frac | 0.63 |
| Host frac | 0.37 |
| log L5100,Host | 43.11 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
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.