LEDA 130513
Observation
| Spectrum ID | 501938471_sp1 |
|---|---|
| Alt name | g0503164-470501 |
| z | 0.0376 |
| RA, Dec | 75.8181, -47.0837 |
| MJD | 60949.75 |
| SNR/Å B/R | 12.2/24.9 |
| Obs Airmass | 1.04 |
| SMSS ID | 501938471 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.0 |
| 2MASS Kext | 12.1 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.011 |
| Power law αν | -1.99 ± 0.01 |
| log L5100,AGN | 42.37 ± 0.03 |
| log HβBr/[O III] | <-0.24 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 5.93 ± 0.08 |
| 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 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | 40.12 ± 0.12 | 7008 ± 62 | 2976 ± 25 | 28.57 ± 4.55 |
| Hβ Narrow | 39.63 ± 0.11 | 311 ± 63 | 331 ± 63 | 9.37 ± 1.80 |
| Hβ Broad | <39.84 | — | — | — |
| [O III] 5007 | 40.08 ± 0.05 | 311 ± 63 | 331 ± 63 | 26.06 ± 1.83 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.15 ± 0.13 | 300 ± 62 | 125 ± 25 | 3.10 ± 0.55 |
| Hα Narrow | 40.11 ± 0.02 | 300 ± 62 | 125 ± 25 | 28.08 ± 0.55 |
| Hα Broad | 40.23 ± 0.04 | 1789 ± 70 | 658 ± 25 | 35.83 ± 1.47 |
| [N II] 6585 | 40.31 ± 0.01 | 300 ± 62 | 125 ± 25 | 44.88 ± 0.68 |
| [S II] 6718 | 39.93 ± 0.02 | 300 ± 62 | 125 ± 25 | 18.73 ± 0.60 |
| [S II] 6732 | 39.81 ± 0.03 | 300 ± 62 | 125 ± 25 | 14.12 ± 0.57 |
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 | 2.02 |
|---|---|
| Hβ Broad SNR | 0.38 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.21 |
| Host frac | 0.79 |
| log L5100,Host | 42.95 |
| Fe II/Hβ | — |
| Fe II/[O III] | 1.08 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.