LEDA 88903
Observation
| Spectrum ID | 98608298_sp1 |
|---|---|
| Alt name | IRAS 13317-3312 |
| z | 0.0460 |
| RA, Dec | 203.6634, -33.4579 |
| MJD | 61063.74 |
| SNR/Å B/R | 7.9/16.4 |
| Obs Airmass | 1.08 |
| SMSS ID | 98608298 |
| Closest SMSS | 5.15'', 2160868100 |
| SMSS Mean r6"ap | 15.7 ± 0.0 |
| 2MASS Kext | 11.3 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.049 |
| Power law αν | -0.80 ± 0.17 |
| log L5100,AGN | 43.06 ± 0.03 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| 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 | 40.05 ± 0.16 | 345 ± 62 | 145 ± 25 | 3.90 ± 0.73 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.52 ± 0.37 | 342 ± 62 | 144 ± 25 | 1.24 ± 0.71 |
| He II Narrow | — | — | — | — |
| He II Broad | 39.57 ± 0.46 | 1189 ± 62 | 505 ± 25 | 1.50 ± 1.22 |
| Hβ Narrow | 40.78 ± 0.03 | 345 ± 62 | 145 ± 25 | 24.92 ± 0.74 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.51 ± 0.04 | 345 ± 62 | 145 ± 25 | 13.76 ± 0.69 |
| He I Narrow | 40.01 ± 0.08 | 342 ± 62 | 144 ± 25 | 5.41 ± 0.54 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.18 ± 0.05 | 342 ± 62 | 144 ± 25 | 8.77 ± 0.57 |
| Hα Narrow | 41.66 ± 0.01 | 342 ± 62 | 144 ± 25 | 261.37 ± 0.98 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 41.33 ± 0.01 | 342 ± 62 | 144 ± 25 | 124.05 ± 0.86 |
| [S II] 6718 | 40.81 ± 0.01 | 342 ± 62 | 144 ± 25 | 39.79 ± 0.69 |
| [S II] 6732 | 40.71 ± 0.02 | 342 ± 62 | 144 ± 25 | 32.23 ± 0.68 |
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 | 0.00 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.40 |
| Host frac | 0.60 |
| log L5100,Host | 43.23 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.74 |
Quality flags
spurious_hab/hbb | 1.0/0 |
|---|---|
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.