NVSS J082749-142715
Observation
| Spectrum ID | 72381622_sp1 |
|---|---|
| Alt name | g0827501-142713 |
| z | 0.0682 |
| RA, Dec | 126.9589, -14.4535 |
| MJD | 60018.45 |
| SNR/Å B/R | 11.8/22.3 |
| Obs Airmass | 1.05 |
| SMSS ID | 72381622 |
| Closest SMSS | 4.96'', 72381621 |
| SMSS Mean r6"ap | 16.5 ± 0.1 |
| 2MASS Kext | 12.8 ± 0.2 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.043 |
| Power law αν | -0.33 ± 0.12 |
| log L5100,AGN | 43.55 ± 0.02 |
| log HβBr/[O III] | 0.26 ± 0.02 |
| log ML5100/M☉ | 7.25 ± 0.03 |
| log MHα/M☉ | 6.86 ± 0.04 |
| log MHβ/M☉ | 7.24 ± 0.04 |
| log M[O III]/M☉ | 7.27 ± 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 | 40.43 ± 0.14 | 401 ± 63 | 257 ± 26 | 2.90 ± 0.40 |
| Hγ Broad | 41.20 ± 0.04 | 1675 ± 200 | 709 ± 62 | 16.97 ± 0.75 |
| [O III] 4364 | 39.58 ± 0.35 | 296 ± 63 | 126 ± 25 | 0.42 ± 0.24 |
| He II Narrow | 40.09 ± 0.10 | 296 ± 63 | 126 ± 25 | 1.52 ± 0.24 |
| He II Broad | 41.63 ± 0.03 | 17659 ± 63 | 7499 ± 25 | 53.11 ± 2.06 |
| Hβ Narrow | 40.96 ± 0.03 | 401 ± 63 | 257 ± 26 | 12.02 ± 0.41 |
| Hβ Broad | 41.71 ± 0.02 | 1859 ± 68 | 1629 ± 65 | 67.67 ± 1.47 |
| [O III] 5007 | 41.45 ± 0.01 | 401 ± 63 | 257 ± 26 | 38.52 ± 0.44 |
| He I Narrow | 39.62 ± 0.15 | 296 ± 63 | 126 ± 25 | 0.74 ± 0.16 |
| He I Broad | 40.98 ± 0.03 | 3380 ± 118 | 1435 ± 49 | 17.08 ± 0.59 |
| [O I] 6300 | 40.06 ± 0.05 | 296 ± 63 | 126 ± 25 | 2.33 ± 0.18 |
| Hα Narrow | 41.22 ± 0.01 | 296 ± 63 | 126 ± 25 | 36.01 ± 0.27 |
| Hα Broad | 42.09 ± 0.01 | 1404 ± 63 | 656 ± 25 | 268.19 ± 0.71 |
| [N II] 6585 | 41.09 ± 0.01 | 296 ± 63 | 126 ± 25 | 26.80 ± 0.25 |
| [S II] 6718 | 40.74 ± 0.01 | 296 ± 63 | 126 ± 25 | 12.35 ± 0.26 |
| [S II] 6732 | 40.66 ± 0.02 | 296 ± 63 | 126 ± 25 | 10.35 ± 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 | 38.40 |
|---|---|
| Hβ Broad SNR | 12.62 |
| Hγ Broad SNR | 6.58 |
| AGN frac | 0.81 |
| Host frac | 0.19 |
| log L5100,Host | 42.92 |
| Fe II/Hβ | 0.44 |
| Fe II/[O III] | 0.82 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.