ESO 209-12
Observation
| Spectrum ID | 467114720_sp1 |
|---|---|
| Alt name | g0801580-494642 |
| z | 0.0404 |
| RA, Dec | 120.4915, -49.7784 |
| MJD | 60286.69 |
| SNR/Å B/R | 13.6/25.4 |
| Obs Airmass | 1.06 |
| SMSS ID | 467114720 |
| Closest SMSS | 7.85'', 2666234809 |
| SMSS Mean r6"ap | 15.2 ± 0.1 |
| 2MASS Kext | 10.1 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.225 |
| Power law αν | -0.37 ± 0.26 |
| log L5100,AGN | 43.61 ± 0.05 |
| log HβBr/[O III] | -0.33 ± 0.11 |
| log ML5100/M☉ | 8.00 ± 0.29 |
| log MHα/M☉ | 8.10 ± 0.04 |
| log MHβ/M☉ | 7.98 ± 0.30 |
| log M[O III]/M☉ | 8.31 ± 0.29 |
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 | 40.75 ± 0.12 | 606 ± 63 | 261 ± 26 | 5.20 ± 0.51 |
| Hγ Broad | 40.93 ± 0.24 | 1929 ± 596 | 775 ± 416 | 7.04 ± 0.95 |
| [O III] 4364 | 40.63 ± 0.12 | 601 ± 63 | 255 ± 25 | 4.19 ± 0.48 |
| He II Narrow | 40.52 ± 0.13 | 601 ± 63 | 255 ± 25 | 3.63 ± 0.47 |
| He II Broad | 40.77 ± 0.28 | 1764 ± 1701 | 749 ± 722 | 3.92 ± 0.76 |
| Hβ Narrow | 41.09 ± 0.08 | 606 ± 63 | 261 ± 26 | 14.26 ± 0.50 |
| Hβ Broad | 41.74 ± 0.11 | 4305 ± 1473 | 1614 ± 586 | 63.32 ± 1.27 |
| [O III] 5007 | 42.07 ± 0.01 | 606 ± 63 | 261 ± 26 | 143.55 ± 0.59 |
| He I Narrow | 40.27 ± 0.15 | 601 ± 63 | 255 ± 25 | 2.93 ± 0.36 |
| He I Broad | 40.72 ± 0.28 | 1701 ± 1110 | 722 ± 471 | 7.46 ± 0.60 |
| [O I] 6300 | 40.65 ± 0.04 | 601 ± 63 | 255 ± 25 | 7.84 ± 0.49 |
| Hα Narrow | 41.69 ± 0.02 | 601 ± 63 | 255 ± 25 | 93.52 ± 0.72 |
| Hα Broad | 42.41 ± 0.01 | 4690 ± 193 | 1739 ± 96 | 474.01 ± 1.50 |
| [N II] 6585 | 41.75 ± 0.02 | 601 ± 63 | 255 ± 25 | 107.30 ± 0.74 |
| [S II] 6718 | 41.27 ± 0.02 | 601 ± 63 | 255 ± 25 | 36.39 ± 0.53 |
| [S II] 6732 | 41.21 ± 0.02 | 601 ± 63 | 255 ± 25 | 31.84 ± 0.51 |
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 | 17.15 |
|---|---|
| Hβ Broad SNR | 5.46 |
| Hγ Broad SNR | 1.91 |
| AGN frac | 0.52 |
| Host frac | 0.47 |
| log L5100,Host | 43.57 |
| Fe II/Hβ | 1.10 |
| Fe II/[O III] | 0.51 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
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.