2666892872242400384
Observation
| Spectrum ID | 5182159_sp1 |
|---|---|
| Alt name | 2666892872242400384 |
| z | 0.0591 |
| RA, Dec | 328.4807, -7.1582 |
| MJD | 60825.8 |
| SNR/Å B/R | 10.2/18.9 |
| Obs Airmass | 1.10 |
| SMSS ID | 5182159 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.1 |
| 2MASS Kext | 12.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.035 |
| Power law αν | 0.29 ± 0.17 |
| log L5100,AGN | 42.70 ± 0.05 |
| log HβBr/[O III] | -0.06 ± 0.02 |
| log ML5100/M☉ | 8.23 ± 0.04 |
| log MHα/M☉ | 7.84 ± 0.02 |
| log MHβ/M☉ | 8.42 ± 0.04 |
| log M[O III]/M☉ | 8.60 ± 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 | 39.91 ± 0.12 | 275 ± 62 | 172 ± 26 | 5.70 ± 1.14 |
| Hγ Broad | 40.67 ± 0.08 | 4102 ± 541 | 1565 ± 49 | 32.58 ± 2.96 |
| [O III] 4364 | 39.99 ± 0.08 | 264 ± 62 | 111 ± 25 | 6.94 ± 0.69 |
| He II Narrow | 39.73 ± 0.12 | 264 ± 62 | 111 ± 25 | 4.44 ± 0.73 |
| He II Broad | 40.65 ± 0.06 | 4533 ± 90 | 1925 ± 37 | 37.25 ± 3.03 |
| Hβ Narrow | 40.35 ± 0.04 | 275 ± 62 | 173 ± 26 | 20.27 ± 1.29 |
| Hβ Broad | 41.34 ± 0.02 | 8743 ± 267 | 3334 ± 34 | 200.21 ± 4.63 |
| [O III] 5007 | 41.41 ± 0.01 | 275 ± 62 | 173 ± 26 | 248.94 ± 1.52 |
| He I Narrow | 39.05 ± 0.32 | 264 ± 62 | 111 ± 25 | 1.58 ± 0.71 |
| He I Broad | 39.72 ± 0.18 | 1351 ± 77 | 573 ± 32 | 7.15 ± 1.62 |
| [O I] 6300 | 39.93 ± 0.04 | 264 ± 62 | 111 ± 25 | 13.90 ± 0.77 |
| Hα Narrow | 40.89 ± 0.01 | 264 ± 62 | 111 ± 25 | 138.87 ± 1.27 |
| Hα Broad | 41.84 ± 0.01 | 5227 ± 97 | 2208 ± 26 | 1236.62 ± 5.43 |
| [N II] 6585 | 40.56 ± 0.01 | 264 ± 62 | 111 ± 25 | 65.76 ± 1.17 |
| [S II] 6718 | 40.17 ± 0.02 | 264 ± 62 | 111 ± 25 | 28.03 ± 0.96 |
| [S II] 6732 | 40.14 ± 0.03 | 264 ± 62 | 111 ± 25 | 26.62 ± 0.97 |
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 | 12.43 |
|---|---|
| Hβ Broad SNR | 3.53 |
| Hγ Broad SNR | 1.82 |
| AGN frac | 0.27 |
| Host frac | 0.73 |
| log L5100,Host | 43.14 |
| Fe II/Hβ | 0.19 |
| Fe II/[O III] | 0.16 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.