LEDA 596264
Observation
| Spectrum ID | 505112536_sp1 |
|---|---|
| Alt name | g0252103-393611 |
| z | 0.0892 |
| RA, Dec | 43.0431, -39.6030 |
| MJD | 60178.79 |
| SNR/Å B/R | 14.2/18.7 |
| Obs Airmass | 1.01 |
| SMSS ID | 505112536 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.6 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.015 |
| Power law αν | 0.18 ± 0.17 |
| log L5100,AGN | 43.48 ± 0.03 |
| log HβBr/[O III] | 0.20 ± 0.29 |
| log ML5100/M☉ | 7.94 ± 0.02 |
| log MHα/M☉ | 7.85 ± 0.02 |
| log MHβ/M☉ | 7.77 ± 0.14 |
| log M[O III]/M☉ | 7.82 ± 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 | 39.72 ± 0.26 | 280 ± 63 | 133 ± 27 | 0.61 ± 0.28 |
| Hγ Broad | 41.11 ± 0.05 | 4164 ± 132 | 1540 ± 48 | 15.16 ± 0.93 |
| [O III] 4364 | 40.02 ± 0.13 | 262 ± 63 | 109 ± 25 | 1.26 ± 0.23 |
| He II Narrow | 39.41 ± 0.36 | 262 ± 63 | 109 ± 25 | 0.36 ± 0.23 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.33 ± 0.07 | 280 ± 63 | 133 ± 27 | 3.19 ± 0.34 |
| Hβ Broad | 41.30 +0.54−0.03 | 4257 ± 92 | 1578 ± 39 | 30.48 ± 1.15 |
| [O III] 5007 | 41.10 ± 0.02 | 280 ± 63 | 133 ± 27 | 20.79 ± 0.44 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.41 ± 0.12 | 3570 ± 131 | 1516 ± 55 | 5.97 ± 1.05 |
| [O I] 6300 | 39.63 ± 0.23 | 262 ± 63 | 109 ± 25 | 1.16 ± 0.37 |
| Hα Narrow | 40.76 ± 0.02 | 262 ± 63 | 109 ± 25 | 17.02 ± 0.38 |
| Hα Broad | 42.02 ± 0.01 | 4626 ± 81 | 1856 ± 54 | 306.36 ± 2.34 |
| [N II] 6585 | 40.15 ± 0.07 | 262 ± 63 | 109 ± 25 | 4.18 ± 0.39 |
| [S II] 6718 | 40.17 ± 0.09 | 262 ± 63 | 109 ± 25 | 4.56 ± 0.48 |
| [S II] 6732 | 39.62 ± 0.21 | 262 ± 63 | 109 ± 25 | 1.30 ± 0.49 |
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 | 10.61 |
|---|---|
| Hβ Broad SNR | 3.13 |
| Hγ Broad SNR | 2.31 |
| AGN frac | 0.63 |
| Host frac | 0.37 |
| log L5100,Host | 43.25 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.