NVSS J223024-073310
Observation
| Spectrum ID | 7008632_sp1 |
|---|---|
| Alt name | g2230248-073303 |
| z | 0.0558 |
| RA, Dec | 337.6033, -7.5510 |
| MJD | 60910.55 |
| SNR/Å B/R | 10.7/24.2 |
| Obs Airmass | 1.14 |
| SMSS ID | 7008632 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.0 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.043 |
| Power law αν | 0.45 ± 0.07 |
| log L5100,AGN | 41.64 ± 0.39 |
| log HβBr/[O III] | <-0.74 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.70 ± 0.05 |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.74 ± 0.16 | 423 ± 62 | 179 ± 25 | 43.51 ± 9.85 |
| He II Narrow | 39.11 ± 0.43 | 423 ± 62 | 179 ± 25 | 12.01 ± 10.14 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.12 ± 0.08 | 447 ± 63 | 325 ± 33 | 136.61 ± 19.38 |
| Hβ Broad | <40.25 | — | — | — |
| [O III] 5007 | 40.99 ± 0.02 | 447 ± 63 | 325 ± 33 | 1069.35 ± 21.65 |
| He I Narrow | 39.35 ± 0.23 | 423 ± 62 | 179 ± 25 | 36.54 ± 10.64 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.00 ± 0.05 | 423 ± 62 | 179 ± 25 | 192.90 ± 12.47 |
| Hα Narrow | 40.58 ± 0.02 | 423 ± 62 | 179 ± 25 | 804.69 ± 17.72 |
| Hα Broad | 41.16 ± 0.02 | 2260 ± 77 | 889 ± 47 | 3062.66 ± 48.48 |
| [N II] 6585 | 40.82 ± 0.01 | 423 ± 62 | 179 ± 25 | 1419.09 ± 18.62 |
| [S II] 6718 | 40.35 ± 0.02 | 423 ± 62 | 179 ± 25 | 511.32 ± 15.95 |
| [S II] 6732 | 40.32 ± 0.02 | 423 ± 62 | 179 ± 25 | 478.49 ± 15.82 |
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 | 6.07 |
|---|---|
| Hβ Broad SNR | 0.92 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.02 |
| Host frac | 0.98 |
| log L5100,Host | 43.32 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
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.