NVSS J091646-242031
Observation
| Spectrum ID | 81060549_sp1 |
|---|---|
| Alt name | g0916467-242042 |
| z | 0.0366 |
| RA, Dec | 139.1947, -24.3450 |
| MJD | 59731.37 |
| SNR/Å B/R | 10.4/22.2 |
| Obs Airmass | 1.15 |
| SMSS ID | 81060549 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.0 |
| 2MASS Kext | 11.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.128 |
| Power law αν | -0.87 ± 0.18 |
| log L5100,AGN | 42.69 ± 0.07 |
| log HβBr/[O III] | <-0.63 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.20 ± 0.06 |
| 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 | 39.25 ± 0.34 | 302 ± 63 | 188 ± 30 | 1.55 ± 1.22 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.30 ± 0.27 | 298 ± 62 | 125 ± 25 | 1.75 ± 0.69 |
| He II Narrow | 38.89 ± 0.45 | 298 ± 62 | 125 ± 25 | 0.74 ± 0.61 |
| He II Broad | 39.14 ± 0.49 | 1207 ± 62 | 512 ± 25 | 1.31 ± 1.22 |
| Hβ Narrow | 39.89 ± 0.09 | 302 ± 63 | 189 ± 30 | 7.69 ± 1.14 |
| Hβ Broad | <40.28 | — | — | — |
| [O III] 5007 | 40.90 ± 0.01 | 302 ± 63 | 189 ± 30 | 81.72 ± 1.21 |
| He I Narrow | 39.06 ± 0.27 | 298 ± 62 | 125 ± 25 | 1.42 ± 0.45 |
| He I Broad | 39.20 ± 0.38 | 1237 ± 62 | 525 ± 25 | 1.93 ± 0.86 |
| [O I] 6300 | 39.59 ± 0.07 | 298 ± 62 | 125 ± 25 | 5.14 ± 0.49 |
| Hα Narrow | 40.56 ± 0.01 | 298 ± 62 | 125 ± 25 | 50.22 ± 0.54 |
| Hα Broad | 40.91 ± 0.02 | 4779 ± 250 | 1864 ± 26 | 112.44 ± 2.22 |
| [N II] 6585 | 40.52 ± 0.01 | 298 ± 62 | 125 ± 25 | 46.68 ± 0.59 |
| [S II] 6718 | 40.15 ± 0.02 | 298 ± 62 | 125 ± 25 | 20.18 ± 0.55 |
| [S II] 6732 | 40.11 ± 0.02 | 298 ± 62 | 125 ± 25 | 18.41 ± 0.56 |
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 | 2.41 |
|---|---|
| Hβ Broad SNR | 0.76 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.32 |
| Host frac | 0.68 |
| log L5100,Host | 43.02 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.