LEDA 162419
Observation
| Spectrum ID | 487289545_sp1 |
|---|---|
| Alt name | g2027244-411548 |
| z | 0.0649 |
| RA, Dec | 306.8516, -41.2632 |
| MJD | 60082.78 |
| SNR/Å B/R | 14.3/22.4 |
| Obs Airmass | 1.02 |
| SMSS ID | 487289545 |
| Closest SMSS | 6.87'', 487289546 |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 12.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.043 |
| Power law αν | -0.56 ± 0.15 |
| log L5100,AGN | 43.43 ± 0.03 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| 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 | 40.06 ± 0.21 | 514 ± 68 | 381 ± 26 | 1.68 ± 0.44 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.50 ± 0.37 | 390 ± 63 | 165 ± 25 | 0.48 ± 0.31 |
| He II Narrow | 39.29 ± 0.44 | 390 ± 63 | 165 ± 25 | 0.32 ± 0.29 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.90 ± 0.03 | 514 ± 68 | 381 ± 26 | 13.71 ± 0.48 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 41.04 ± 0.02 | 514 ± 68 | 381 ± 26 | 20.15 ± 0.52 |
| He I Narrow | 39.76 ± 0.22 | 390 ± 63 | 165 ± 25 | 1.31 ± 0.29 |
| He I Broad | 40.32 ± 0.12 | 1572 ± 65 | 667 ± 26 | 4.77 ± 0.65 |
| [O I] 6300 | 40.10 ± 0.07 | 390 ± 63 | 165 ± 25 | 3.21 ± 0.29 |
| Hα Narrow | 41.67 ± 0.01 | 390 ± 63 | 165 ± 25 | 86.84 ± 0.45 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 41.46 ± 0.01 | 390 ± 63 | 165 ± 25 | 54.00 ± 0.41 |
| [S II] 6718 | 40.77 ± 0.02 | 390 ± 63 | 165 ± 25 | 16.39 ± 0.36 |
| [S II] 6732 | 40.72 ± 0.02 | 390 ± 63 | 165 ± 25 | 14.83 ± 0.38 |
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 | 0.00 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.56 |
| Host frac | 0.44 |
| log L5100,Host | 43.32 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 1.0/1 |
|---|---|
l5100 | 0 |
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.