ATO J167.4520-08.5041
Observation
| Spectrum ID | 93184656_sp1 |
|---|---|
| Alt name | PGC 1002863 |
| z | 0.0570 |
| RA, Dec | 167.4521, -8.5042 |
| MJD | 61138.45 |
| SNR/Å B/R | 17.8/21.2 |
| Obs Airmass | 1.14 |
| SMSS ID | 93184656 |
| Closest SMSS | 7.02'', 2152753248 |
| SMSS Mean r6"ap | 14.4 ± 0.2 |
| 2MASS Kext | 11.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.035 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 44.03 ± 0.01 |
| log HβBr/[O III] | 1.17 ± 0.05 |
| log ML5100/M☉ | 7.98 ± 0.01 |
| log MHα/M☉ | 7.67 ± 0.04 |
| log MHβ/M☉ | 8.02 ± 0.02 |
| log M[O III]/M☉ | 7.63 ± 0.04 |
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 | 40.70 ± 0.38 | 1414 ± 62 | 600 ± 25 | 1.51 ± 0.33 |
| Hγ Broad | 41.56 ± 0.06 | 1877 ± 224 | 857 ± 83 | 11.49 ± 0.50 |
| [O III] 4364 | 40.30 ± 0.37 | 1413 ± 62 | 600 ± 25 | 0.64 ± 0.32 |
| He II Narrow | 40.24 ± 0.38 | 1413 ± 62 | 600 ± 25 | 0.67 ± 0.32 |
| He II Broad | 40.34 ± 0.42 | 2993 ± 62 | 1271 ± 25 | 0.85 ± 0.45 |
| Hβ Narrow | 41.52 ± 0.04 | 1414 ± 62 | 600 ± 25 | 13.64 ± 0.39 |
| Hβ Broad | 42.30 ± 0.01 | 3376 ± 58 | 3121 ± 66 | 84.62 ± 1.33 |
| [O III] 5007 | 41.13 ± 0.05 | 1414 ± 62 | 600 ± 25 | 5.92 ± 0.38 |
| He I Narrow | 40.89 ± 0.06 | 1413 ± 62 | 600 ± 25 | 5.20 ± 0.36 |
| He I Broad | 41.63 ± 0.03 | 7394 ± 62 | 3140 ± 25 | 29.11 ± 0.87 |
| [O I] 6300 | — | — | — | — |
| Hα Narrow | 40.63 ± 0.46 | 1413 ± 62 | 600 ± 25 | 3.75 ± 0.67 |
| Hα Broad | 42.72 ± 0.01 | 2317 ± 63 | 1046 ± 25 | 462.95 ± 1.12 |
| [N II] 6585 | 40.60 ± 0.50 | 1413 ± 62 | 600 ± 25 | 3.58 ± 0.66 |
| [S II] 6718 | 40.47 ± 0.20 | 1413 ± 62 | 600 ± 25 | 2.76 ± 0.47 |
| [S II] 6732 | 40.72 ± 0.11 | 1413 ± 62 | 600 ± 25 | 4.97 ± 0.48 |
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 | 47.04 |
|---|---|
| Hβ Broad SNR | 12.04 |
| Hγ Broad SNR | 6.15 |
| AGN frac | 0.88 |
| Host frac | 0.12 |
| log L5100,Host | 43.15 |
| Fe II/Hβ | 1.13 |
| Fe II/[O III] | 17.21 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.