ESO 372-25
Observation
| Spectrum ID | 78249613_sp1 |
|---|---|
| Alt name | g0926483-362609 |
| z | 0.0569 |
| RA, Dec | 141.7014, -36.4357 |
| MJD | 59026.34 |
| SNR/Å B/R | 13.7/23.1 |
| Obs Airmass | 1.27 |
| SMSS ID | 78249613 |
| Closest SMSS | 4.83'', 2130901452 |
| SMSS Mean r6"ap | 15.6 ± 0.1 |
| 2MASS Kext | 11.5 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.138 |
| Power law αν | -1.87 ± 0.07 |
| log L5100,AGN | 43.51 ± 0.02 |
| log HβBr/[O III] | <-0.61 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.55 ± 0.02 |
| 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.37 ± 0.46 | 253 ± 62 | 107 ± 25 | 0.36 ± 0.34 |
| He II Narrow | — | — | — | — |
| He II Broad | 40.01 ± 0.34 | 1632 ± 63 | 693 ± 25 | 1.58 ± 0.76 |
| Hβ Narrow | 40.64 ± 0.05 | 309 ± 63 | 195 ± 25 | 6.73 ± 0.46 |
| Hβ Broad | <40.78 | — | — | — |
| [O III] 5007 | 41.38 ± 0.01 | 309 ± 63 | 195 ± 25 | 37.63 ± 0.47 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.50 ± 0.12 | 3590 ± 63 | 1524 ± 25 | 5.03 ± 0.77 |
| [O I] 6300 | 40.25 ± 0.05 | 253 ± 62 | 107 ± 25 | 2.84 ± 0.21 |
| Hα Narrow | 41.32 ± 0.01 | 253 ± 62 | 107 ± 25 | 33.60 ± 0.26 |
| Hα Broad | 41.78 ± 0.01 | 3865 ± 99 | 1527 ± 56 | 97.24 ± 1.16 |
| [N II] 6585 | 41.25 ± 0.01 | 253 ± 62 | 107 ± 25 | 28.91 ± 0.27 |
| [S II] 6718 | 40.68 ± 0.02 | 253 ± 62 | 107 ± 25 | 7.76 ± 0.24 |
| [S II] 6732 | 40.60 ± 0.03 | 253 ± 62 | 107 ± 25 | 6.42 ± 0.25 |
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 | 6.39 |
|---|---|
| Hβ Broad SNR | 0.49 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.49 |
| Host frac | 0.51 |
| log L5100,Host | 43.54 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
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.