5740917243639422336
Observation
| Spectrum ID | 89678054_sp1 |
|---|---|
| Alt name | 5740917243639422336 |
| z | 0.0861 |
| RA, Dec | 144.1945, -8.9503 |
| MJD | 60671.69 |
| SNR/Å B/R | 18.2/24.0 |
| Obs Airmass | 1.10 |
| SMSS ID | 89678054 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.0 |
| 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 | 0.47 ± 0.03 |
| log L5100,AGN | 43.85 ± 0.01 |
| log HβBr/[O III] | -0.46 ± 0.32 |
| log ML5100/M☉ | 7.97 ± 0.02 |
| log MHα/M☉ | 7.60 ± 0.02 |
| log MHβ/M☉ | 7.71 ± 0.15 |
| log M[O III]/M☉ | 8.08 ± 0.02 |
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 | 40.85 ± 0.04 | 315 ± 62 | 191 ± 25 | 3.47 ± 0.18 |
| Hγ Broad | 41.09 ± 0.07 | 3543 ± 238 | 1138 ± 48 | 6.03 ± 0.41 |
| [O III] 4364 | 40.13 ± 0.19 | 294 ± 62 | 125 ± 25 | 0.66 ± 0.15 |
| He II Narrow | 40.33 ± 0.09 | 294 ± 62 | 125 ± 25 | 1.24 ± 0.16 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 41.28 ± 0.01 | 315 ± 62 | 191 ± 25 | 12.16 ± 0.22 |
| Hβ Broad | 41.43 +0.60−0.04 | 3681 ± 97 | 1364 ± 41 | 17.00 ± 0.61 |
| [O III] 5007 | 41.88 ± 0.01 | 315 ± 62 | 191 ± 25 | 52.88 ± 0.26 |
| He I Narrow | 40.09 ± 0.09 | 294 ± 62 | 125 ± 25 | 1.27 ± 0.20 |
| He I Broad | 41.15 ± 0.04 | 4915 ± 96 | 2087 ± 40 | 14.30 ± 0.70 |
| [O I] 6300 | 40.47 ± 0.03 | 294 ± 62 | 125 ± 25 | 3.64 ± 0.19 |
| Hα Narrow | 41.74 ± 0.01 | 294 ± 62 | 125 ± 25 | 74.46 ± 0.28 |
| Hα Broad | 42.21 ± 0.01 | 3045 ± 67 | 1348 ± 31 | 217.34 ± 1.14 |
| [N II] 6585 | 41.41 ± 0.01 | 294 ± 62 | 125 ± 25 | 35.20 ± 0.26 |
| [S II] 6718 | 41.09 ± 0.01 | 294 ± 62 | 125 ± 25 | 17.39 ± 0.27 |
| [S II] 6732 | 40.94 ± 0.01 | 294 ± 62 | 125 ± 25 | 12.56 ± 0.28 |
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 | 17.27 |
|---|---|
| Hβ Broad SNR | 3.55 |
| Hγ Broad SNR | 2.27 |
| AGN frac | 0.82 |
| Host frac | 0.18 |
| log L5100,Host | 43.20 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 2 |
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.