ESO 327-25
Observation
| Spectrum ID | 308543986_sp1 |
|---|---|
| Alt name | g1452310-422625 |
| z | 0.0498 |
| RA, Dec | 223.1292, -42.4402 |
| MJD | 59080.36 |
| SNR/Å B/R | 14.9/32.8 |
| Obs Airmass | 1.08 |
| SMSS ID | 308543986 |
| Closest SMSS | 9.99'', 308543989 |
| SMSS Mean r6"ap | 15.6 ± 0.0 |
| 2MASS Kext | 10.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.101 |
| Power law αν | -1.92 ± 0.07 |
| log L5100,AGN | 43.08 ± 0.03 |
| log HβBr/[O III] | 0.25 ± 0.04 |
| log ML5100/M☉ | 7.45 ± 0.17 |
| log MHα/M☉ | 7.26 ± 0.02 |
| log MHβ/M☉ | 7.34 ± 0.18 |
| log M[O III]/M☉ | 7.35 ± 0.18 |
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 | 39.85 ± 0.25 | 609 ± 63 | 264 ± 26 | 2.90 ± 0.91 |
| Hγ Broad | 40.25 ± 0.21 | 1876 ± 646 | 986 ± 139 | 6.43 ± 1.83 |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.29 ± 0.09 | 609 ± 63 | 264 ± 26 | 8.10 ± 0.78 |
| Hβ Broad | 41.04 ± 0.03 | 2945 ± 587 | 1334 ± 47 | 45.90 ± 1.63 |
| [O III] 5007 | 40.79 ± 0.02 | 609 ± 63 | 264 ± 26 | 25.70 ± 0.79 |
| He I Narrow | 39.22 ± 0.37 | 605 ± 63 | 257 ± 25 | 0.72 ± 0.37 |
| He I Broad | 40.62 ± 0.06 | 5247 ± 63 | 2228 ± 25 | 17.87 ± 1.16 |
| [O I] 6300 | 39.77 ± 0.11 | 605 ± 63 | 257 ± 25 | 2.56 ± 0.40 |
| Hα Narrow | 40.97 ± 0.02 | 605 ± 63 | 257 ± 25 | 40.76 ± 0.54 |
| Hα Broad | 41.90 ± 0.01 | 2559 ± 69 | 1492 ± 25 | 343.11 ± 1.54 |
| [N II] 6585 | 40.83 ± 0.02 | 605 ± 63 | 257 ± 25 | 29.08 ± 0.51 |
| [S II] 6718 | 40.28 ± 0.04 | 605 ± 63 | 257 ± 25 | 8.29 ± 0.44 |
| [S II] 6732 | 40.09 ± 0.06 | 605 ± 63 | 257 ± 25 | 5.28 ± 0.43 |
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 | 20.76 |
|---|---|
| Hβ Broad SNR | 3.99 |
| Hγ Broad SNR | 1.01 |
| AGN frac | 0.34 |
| Host frac | 0.66 |
| log L5100,Host | 43.37 |
| Fe II/Hβ | 1.77 |
| Fe II/[O III] | 3.17 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.