ESO 344-16
Observation
| Spectrum ID | 1565349_sp1 |
|---|---|
| Alt name | g2214420-384823 |
| z | 0.0390 |
| RA, Dec | 333.6751, -38.8064 |
| MJD | 60450.79 |
| SNR/Å B/R | 13.5/32.2 |
| Obs Airmass | 1.06 |
| SMSS ID | 1565349 |
| Closest SMSS | 5.53'', 2002582908 |
| SMSS Mean r6"ap | 15.0 ± 0.0 |
| 2MASS Kext | 10.7 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.014 |
| Power law αν | -1.94 ± 0.05 |
| log L5100,AGN | 43.20 ± 0.02 |
| log HβBr/[O III] | 0.21 ± 0.24 |
| log ML5100/M☉ | 7.98 ± 0.02 |
| log MHα/M☉ | 7.76 ± 0.01 |
| log MHβ/M☉ | 7.85 ± 0.12 |
| log M[O III]/M☉ | 7.89 ± 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 | 39.52 ± 0.30 | 236 ± 63 | 145 ± 44 | 1.06 ± 0.92 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.50 ± 0.27 | 235 ± 63 | 99 ± 25 | 1.03 ± 0.42 |
| He II Narrow | 39.53 ± 0.26 | 235 ± 63 | 99 ± 25 | 1.10 ± 0.36 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.15 ± 0.06 | 236 ± 63 | 146 ± 44 | 4.51 ± 0.75 |
| Hβ Broad | 41.12 +0.43−0.04 | 5119 ± 36 | 1874 ± 25 | 42.41 ± 1.67 |
| [O III] 5007 | 40.91 ± 0.02 | 236 ± 63 | 147 ± 44 | 26.17 ± 0.78 |
| He I Narrow | 39.18 ± 0.26 | 235 ± 63 | 99 ± 25 | 0.50 ± 0.19 |
| He I Broad | 40.88 ± 0.04 | 7067 ± 67 | 3001 ± 27 | 25.08 ± 1.14 |
| [O I] 6300 | 39.59 ± 0.11 | 235 ± 63 | 99 ± 25 | 1.28 ± 0.19 |
| Hα Narrow | 40.80 ± 0.01 | 235 ± 63 | 99 ± 25 | 21.03 ± 0.23 |
| Hα Broad | 41.95 ± 0.01 | 4383 ± 73 | 1831 ± 25 | 297.81 ± 1.07 |
| [N II] 6585 | 40.70 ± 0.01 | 235 ± 63 | 99 ± 25 | 16.61 ± 0.23 |
| [S II] 6718 | 40.13 ± 0.03 | 235 ± 63 | 99 ± 25 | 4.50 ± 0.21 |
| [S II] 6732 | 40.07 ± 0.04 | 235 ± 63 | 99 ± 25 | 3.92 ± 0.19 |
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 | 14.44 |
|---|---|
| Hβ Broad SNR | 2.60 |
| Hγ Broad SNR | 0.64 |
| AGN frac | 0.45 |
| Host frac | 0.55 |
| log L5100,Host | 43.28 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
l5100 | 1 |
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.