NVSS J042938-210942
Observation
| Spectrum ID | 22460749_sp1 |
|---|---|
| Alt name | g0429383-210944 |
| z | 0.0702 |
| RA, Dec | 67.4096, -21.1621 |
| MJD | 60939.77 |
| SNR/Å B/R | 12.8/25.0 |
| Obs Airmass | 1.02 |
| SMSS ID | 22460749 |
| Closest SMSS | 10.93'', 22460748 |
| SMSS Mean r6"ap | 15.4 ± 0.2 |
| 2MASS Kext | 11.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.021 |
| Power law αν | 0.06 ± 0.25 |
| log L5100,AGN | 43.35 ± 0.05 |
| log HβBr/[O III] | -0.14 ± 0.02 |
| log ML5100/M☉ | 8.66 ± 0.16 |
| log MHα/M☉ | 8.02 ± 0.04 |
| log MHβ/M☉ | 8.80 ± 0.16 |
| log M[O III]/M☉ | 9.03 ± 0.16 |
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 | 40.58 ± 0.12 | 575 ± 63 | 376 ± 26 | 6.27 ± 0.93 |
| Hγ Broad | 40.74 ± 0.20 | 1661 ± 679 | 1678 ± 218 | 8.44 ± 1.99 |
| [O III] 4364 | 40.55 ± 0.08 | 552 ± 63 | 234 ± 25 | 5.93 ± 0.65 |
| He II Narrow | 40.28 ± 0.20 | 552 ± 63 | 234 ± 25 | 3.67 ± 0.61 |
| He II Broad | 40.30 ± 0.29 | 1179 ± 62 | 500 ± 25 | 3.84 ± 0.88 |
| Hβ Narrow | 41.03 ± 0.03 | 575 ± 63 | 376 ± 26 | 22.24 ± 1.04 |
| Hβ Broad | 41.85 ± 0.02 | 10381 ± 1856 | 5220 ± 44 | 150.86 ± 5.13 |
| [O III] 5007 | 41.99 ± 0.01 | 575 ± 63 | 376 ± 26 | 217.26 ± 1.35 |
| He I Narrow | 40.06 ± 0.13 | 552 ± 63 | 234 ± 25 | 3.55 ± 0.69 |
| He I Broad | 40.98 ± 0.11 | 13217 ± 67 | 5613 ± 27 | 29.23 ± 4.59 |
| [O I] 6300 | 40.72 ± 0.03 | 552 ± 63 | 234 ± 25 | 18.47 ± 0.70 |
| Hα Narrow | 41.53 ± 0.01 | 552 ± 63 | 234 ± 25 | 129.41 ± 1.07 |
| Hα Broad | 42.32 ± 0.01 | 4545 ± 221 | 2392 ± 25 | 809.96 ± 3.51 |
| [N II] 6585 | 41.45 ± 0.01 | 552 ± 63 | 234 ± 25 | 110.45 ± 1.05 |
| [S II] 6718 | 40.97 ± 0.02 | 552 ± 63 | 234 ± 25 | 37.92 ± 1.01 |
| [S II] 6732 | 40.95 ± 0.02 | 552 ± 63 | 234 ± 25 | 35.99 ± 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 | 14.74 |
|---|---|
| Hβ Broad SNR | 3.35 |
| Hγ Broad SNR | 1.06 |
| AGN frac | 0.35 |
| Host frac | 0.65 |
| log L5100,Host | 43.62 |
| Fe II/Hβ | 0.44 |
| Fe II/[O III] | 0.32 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 1 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.