LEDA 863645
Observation
| Spectrum ID | 14681621_sp1 |
|---|---|
| Alt name | g0259401-184736 |
| z | 0.0695 |
| RA, Dec | 44.9172, -18.7934 |
| MJD | 60181.77 |
| SNR/Å B/R | 13.1/23.7 |
| Obs Airmass | 1.03 |
| SMSS ID | 14681621 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.2 |
| 2MASS Kext | 12.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.037 |
| Power law αν | 0.35 ± 0.16 |
| log L5100,AGN | 42.59 ± 0.06 |
| log HβBr/[O III] | <-0.48 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.62 ± 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 | 39.77 ± 0.15 | 315 ± 63 | 220 ± 32 | 5.26 ± 1.69 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.55 ± 0.20 | 306 ± 63 | 130 ± 25 | 3.22 ± 0.93 |
| He II Narrow | 39.40 ± 0.31 | 306 ± 63 | 130 ± 25 | 2.69 ± 0.95 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.21 ± 0.05 | 315 ± 63 | 220 ± 32 | 19.13 ± 2.02 |
| Hβ Broad | <40.70 | — | — | — |
| [O III] 5007 | 41.17 ± 0.01 | 315 ± 63 | 220 ± 32 | 187.41 ± 2.46 |
| He I Narrow | 39.12 ± 0.30 | 306 ± 63 | 130 ± 25 | 2.39 ± 1.17 |
| He I Broad | 39.83 ± 0.29 | 4522 ± 75 | 1920 ± 31 | 12.27 ± 4.82 |
| [O I] 6300 | 39.58 ± 0.11 | 306 ± 63 | 130 ± 25 | 8.29 ± 1.27 |
| Hα Narrow | 40.70 ± 0.01 | 306 ± 63 | 130 ± 25 | 119.72 ± 1.66 |
| Hα Broad | 41.25 ± 0.02 | 6097 ± 281 | 2389 ± 42 | 423.25 ± 8.74 |
| [N II] 6585 | 40.46 ± 0.02 | 306 ± 63 | 130 ± 25 | 69.35 ± 1.67 |
| [S II] 6718 | 40.03 ± 0.04 | 306 ± 63 | 130 ± 25 | 27.09 ± 1.68 |
| [S II] 6732 | 40.03 ± 0.04 | 306 ± 63 | 130 ± 25 | 27.31 ± 1.71 |
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 | 2.73 |
|---|---|
| Hβ Broad SNR | 0.69 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.14 |
| Host frac | 0.86 |
| log L5100,Host | 43.36 |
| 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.