5551654179686639872
Observation
| Spectrum ID | 472727266_sp1 |
|---|---|
| Alt name | 5551654179686639872 |
| z | 0.0571 |
| RA, Dec | 100.4074, -47.9169 |
| MJD | 60673.59 |
| SNR/Å B/R | 19.2/26.0 |
| Obs Airmass | 1.04 |
| SMSS ID | 472727266 |
| Closest SMSS | 12.06'', 472727265 |
| SMSS Mean r6"ap | 16.3 ± 0.0 |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.077 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 43.68 ± 0.01 |
| 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 | 39.80 ± 0.28 | 420 ± 63 | 375 ± 29 | 0.45 ± 0.27 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | 39.64 ± 0.26 | 385 ± 62 | 163 ± 25 | 0.38 ± 0.15 |
| He II Broad | 41.40 ± 0.05 | 17661 ± 62 | 7500 ± 25 | 21.40 ± 1.10 |
| Hβ Narrow | 40.96 ± 0.02 | 420 ± 63 | 375 ± 29 | 8.54 ± 0.31 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 41.18 ± 0.02 | 420 ± 63 | 375 ± 29 | 15.35 ± 0.32 |
| He I Narrow | 39.66 ± 0.15 | 385 ± 62 | 163 ± 25 | 0.69 ± 0.14 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.35 ± 0.03 | 385 ± 62 | 163 ± 25 | 4.02 ± 0.16 |
| Hα Narrow | 41.53 ± 0.01 | 385 ± 62 | 163 ± 25 | 50.95 ± 0.27 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 41.32 ± 0.01 | 385 ± 62 | 163 ± 25 | 31.78 ± 0.24 |
| [S II] 6718 | 40.78 ± 0.01 | 385 ± 62 | 163 ± 25 | 12.76 ± 0.21 |
| [S II] 6732 | 40.77 ± 0.01 | 385 ± 62 | 163 ± 25 | 12.47 ± 0.21 |
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 | 0.00 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.84 |
| Host frac | 0.16 |
| log L5100,Host | 42.97 |
| Fe II/Hβ | — |
| Fe II/[O III] | 1.01 |
Quality flags
spurious_hab/hbb | 1.0/0 |
|---|---|
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.