IRAS F23034-5203
Observation
| Spectrum ID | 490109196_sp1 |
|---|---|
| Alt name | g2306166-514747 |
| z | 0.0957 |
| RA, Dec | 346.5692, -51.7965 |
| MJD | 60171.62 |
| SNR/Å B/R | 10.2/20.9 |
| Obs Airmass | 1.08 |
| SMSS ID | 490109196 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.7 ± 0.0 |
| 2MASS Kext | 11.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.009 |
| Power law αν | 0.02 ± 0.28 |
| log L5100,AGN | 43.11 ± 0.07 |
| log HβBr/[O III] | -0.64 ± 0.08 |
| log ML5100/M☉ | 8.13 ± 0.35 |
| log MHα/M☉ | 8.34 ± 0.01 |
| log MHβ/M☉ | 8.07 ± 0.35 |
| log M[O III]/M☉ | 8.52 ± 0.35 |
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 | 40.45 ± 0.19 | 736 ± 63 | 371 ± 27 | 8.13 ± 1.56 |
| Hγ Broad | 40.46 ± 0.24 | 1240 ± 69 | 450 ± 25 | 6.75 ± 1.54 |
| [O III] 4364 | 40.05 ± 0.23 | 702 ± 63 | 298 ± 25 | 3.28 ± 1.12 |
| He II Narrow | 40.01 ± 0.28 | 702 ± 63 | 298 ± 25 | 3.43 ± 1.17 |
| He II Broad | 40.35 ± 0.30 | 3566 ± 65 | 1514 ± 26 | 7.44 ± 2.70 |
| Hβ Narrow | 41.01 ± 0.04 | 736 ± 63 | 371 ± 27 | 37.47 ± 1.85 |
| Hβ Broad | 41.18 ± 0.08 | 6346 ± 2629 | 3273 ± 120 | 53.97 ± 5.50 |
| [O III] 5007 | 41.82 ± 0.01 | 736 ± 63 | 371 ± 27 | 254.73 ± 2.29 |
| He I Narrow | 40.41 ± 0.08 | 702 ± 63 | 298 ± 25 | 13.61 ± 1.35 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 40.89 ± 0.03 | 702 ± 63 | 298 ± 25 | 48.03 ± 1.81 |
| Hα Narrow | 41.86 ± 0.01 | 702 ± 63 | 298 ± 25 | 484.00 ± 2.42 |
| Hα Broad | 42.15 ± 0.01 | 7459 ± 90 | 2696 ± 25 | 951.17 ± 7.15 |
| [N II] 6585 | 41.68 ± 0.01 | 702 ± 63 | 298 ± 25 | 319.77 ± 2.70 |
| [S II] 6718 | 41.27 ± 0.01 | 702 ± 63 | 298 ± 25 | 130.10 ± 2.52 |
| [S II] 6732 | 41.26 ± 0.01 | 702 ± 63 | 298 ± 25 | 125.93 ± 2.57 |
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 | 7.54 |
|---|---|
| Hβ Broad SNR | 1.15 |
| Hγ Broad SNR | 1.37 |
| AGN frac | 0.26 |
| Host frac | 0.74 |
| log L5100,Host | 43.57 |
| Fe II/Hβ | 1.30 |
| Fe II/[O III] | 0.29 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 1 |
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.