LEDA 183610
Observation
| Spectrum ID | 107163296_sp1 |
|---|---|
| Alt name | g1315093-125921 |
| z | 0.0506 |
| RA, Dec | 198.7888, -12.9891 |
| MJD | 60383.71 |
| SNR/Å B/R | 10.9/19.0 |
| Obs Airmass | 1.10 |
| SMSS ID | 107163296 |
| Closest SMSS | 12.04'', 2173975781 |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 11.6 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.039 |
| Power law αν | -1.86 ± 0.13 |
| log L5100,AGN | 42.46 ± 0.06 |
| log HβBr/[O III] | 0.47 ± 0.03 |
| log ML5100/M☉ | 7.55 ± 0.11 |
| log MHα/M☉ | 7.52 ± 0.03 |
| log MHβ/M☉ | 7.72 ± 0.11 |
| log M[O III]/M☉ | 7.62 ± 0.11 |
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 | 39.80 ± 0.14 | 389 ± 64 | 367 ± 37 | 11.13 ± 2.64 |
| Hγ Broad | 40.27 ± 0.11 | 2945 ± 259 | 957 ± 43 | 30.97 ± 3.80 |
| [O III] 4364 | 39.34 ± 0.26 | 363 ± 64 | 153 ± 26 | 3.79 ± 1.31 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.22 ± 0.10 | 4243 ± 157 | 1802 ± 66 | 29.08 ± 4.10 |
| Hβ Narrow | 39.94 ± 0.08 | 389 ± 64 | 367 ± 37 | 15.28 ± 2.31 |
| Hβ Broad | 41.06 ± 0.02 | 4517 ± 533 | 2248 ± 60 | 205.04 ± 5.35 |
| [O III] 5007 | 40.59 ± 0.02 | 389 ± 64 | 367 ± 37 | 69.28 ± 2.42 |
| He I Narrow | 39.25 ± 0.19 | 363 ± 64 | 153 ± 26 | 3.22 ± 0.86 |
| He I Broad | 40.14 ± 0.10 | 4921 ± 154 | 2090 ± 65 | 24.88 ± 3.36 |
| [O I] 6300 | 39.24 ± 0.17 | 363 ± 64 | 153 ± 26 | 3.19 ± 0.81 |
| Hα Narrow | 40.40 ± 0.03 | 363 ± 64 | 153 ± 26 | 46.67 ± 1.13 |
| Hα Broad | 41.68 ± 0.01 | 4022 ± 134 | 1725 ± 25 | 873.37 ± 3.63 |
| [N II] 6585 | 40.16 ± 0.03 | 363 ± 64 | 153 ± 26 | 26.63 ± 1.08 |
| [S II] 6718 | 39.75 ± 0.06 | 363 ± 64 | 153 ± 26 | 10.45 ± 0.91 |
| [S II] 6732 | 39.64 ± 0.08 | 363 ± 64 | 153 ± 26 | 8.12 ± 0.92 |
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 | 16.79 |
|---|---|
| Hβ Broad SNR | 4.52 |
| Hγ Broad SNR | 1.46 |
| AGN frac | 0.21 |
| Host frac | 0.79 |
| log L5100,Host | 43.04 |
| Fe II/Hβ | 0.86 |
| Fe II/[O III] | 2.54 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.