LEDA 1052095
Observation
| Spectrum ID | 107903088_sp3 |
|---|---|
| Alt name | g1340153-045332 |
| z | 0.0862 |
| RA, Dec | 205.0640, -4.8921 |
| MJD | 60458.43 |
| SNR/Å B/R | 10.7/21.4 |
| Obs Airmass | 1.15 |
| SMSS ID | 107903088 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.5 ± 0.0 |
| 2MASS Kext | 12.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.020 |
| Power law αν | -1.98 ± 0.02 |
| log L5100,AGN | 42.94 ± 0.07 |
| log HβBr/[O III] | -0.06 ± 0.03 |
| log ML5100/M☉ | 7.81 ± 0.05 |
| log MHα/M☉ | 7.90 ± 0.02 |
| log MHβ/M☉ | 7.92 ± 0.04 |
| log M[O III]/M☉ | 8.10 ± 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 | 39.92 ± 0.26 | 231 ± 63 | 255 ± 30 | 4.83 ± 3.03 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.96 ± 0.19 | 222 ± 63 | 93 ± 25 | 5.28 ± 1.45 |
| He II Narrow | 39.88 ± 0.21 | 222 ± 63 | 93 ± 25 | 4.42 ± 1.25 |
| He II Broad | 40.07 ± 0.34 | 1778 ± 78 | 755 ± 32 | 6.90 ± 3.54 |
| Hβ Narrow | 40.38 ± 0.09 | 231 ± 63 | 256 ± 30 | 13.97 ± 2.74 |
| Hβ Broad | 41.40 ± 0.03 | 4799 ± 177 | 1796 ± 53 | 146.07 ± 6.34 |
| [O III] 5007 | 41.46 ± 0.01 | 231 ± 63 | 256 ± 30 | 169.58 ± 3.17 |
| He I Narrow | 39.42 ± 0.32 | 222 ± 63 | 93 ± 25 | 1.53 ± 0.72 |
| He I Broad | 40.69 ± 0.09 | 4067 ± 67 | 1727 ± 27 | 28.91 ± 3.27 |
| [O I] 6300 | 40.10 ± 0.07 | 222 ± 63 | 93 ± 25 | 7.38 ± 0.72 |
| Hα Narrow | 40.93 ± 0.01 | 222 ± 63 | 93 ± 25 | 50.09 ± 0.83 |
| Hα Broad | 42.21 ± 0.01 | 4270 ± 74 | 1603 ± 25 | 962.73 ± 4.03 |
| [N II] 6585 | 40.91 ± 0.01 | 222 ± 63 | 93 ± 25 | 48.03 ± 0.83 |
| [S II] 6718 | 40.57 ± 0.03 | 222 ± 63 | 93 ± 25 | 22.03 ± 0.91 |
| [S II] 6732 | 40.50 ± 0.04 | 222 ± 63 | 93 ± 25 | 18.68 ± 1.02 |
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 | 14.37 |
|---|---|
| Hβ Broad SNR | 2.68 |
| Hγ Broad SNR | 0.81 |
| AGN frac | 0.15 |
| Host frac | 0.85 |
| log L5100,Host | 43.68 |
| Fe II/Hβ | 0.23 |
| Fe II/[O III] | 0.20 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 0 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.