LEDA 1005883
Observation
| Spectrum ID | 5042820_sp1 |
|---|---|
| Alt name | g2133443-081616 |
| z | 0.0529 |
| RA, Dec | 323.4344, -8.2710 |
| MJD | 60909.53 |
| SNR/Å B/R | 9.4/20.9 |
| Obs Airmass | 1.11 |
| SMSS ID | 5042820 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.7 ± 0.0 |
| 2MASS Kext | 12.7 ± 0.2 |
AGN Properties
| Spectrum Type | Sy 1.5+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.036 |
| Power law αν | -0.74 ± 0.67 |
| log L5100,AGN | 41.02 ± 0.62 |
| log HβBr/[O III] | <0.20 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.46 ± 0.04 |
| 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 | 39.16 ± 0.34 | 239 ± 62 | 100 ± 25 | 57.16 ± 37.29 |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.58 ± 0.23 | 285 ± 65 | 363 ± 31 | 174.40 ± 67.10 |
| Hβ Broad | <40.53 | — | — | — |
| [O III] 5007 | 40.33 ± 0.05 | 285 ± 65 | 363 ± 31 | 1012.63 ± 70.91 |
| He I Narrow | 38.62 ± 0.48 | 239 ± 62 | 100 ± 25 | 24.42 ± 22.67 |
| He I Broad | 39.77 ± 0.18 | 2411 ± 63 | 1024 ± 25 | 340.35 ± 75.56 |
| [O I] 6300 | 39.34 ± 0.13 | 239 ± 62 | 100 ± 25 | 137.21 ± 24.57 |
| Hα Narrow | 40.14 ± 0.03 | 239 ± 62 | 100 ± 25 | 928.87 ± 31.28 |
| Hα Broad | 41.19 ± 0.02 | 5277 ± 133 | 2206 ± 61 | 10426.21 ± 176.73 |
| [N II] 6585 | 39.95 ± 0.04 | 239 ± 62 | 100 ± 25 | 591.04 ± 31.03 |
| [S II] 6718 | 39.87 ± 0.04 | 239 ± 62 | 100 ± 25 | 505.96 ± 27.74 |
| [S II] 6732 | 39.75 ± 0.05 | 239 ± 62 | 100 ± 25 | 388.77 ± 27.88 |
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 | 3.14 |
|---|---|
| Hβ Broad SNR | 0.29 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.01 |
| Host frac | 0.99 |
| log L5100,Host | 43.21 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
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.