ESO 87-36
Observation
| Spectrum ID | 464777255_sp1 |
|---|---|
| Alt name | g0643065-641530 |
| z | 0.0284 |
| RA, Dec | 100.7771, -64.2586 |
| MJD | 60352.47 |
| SNR/Å B/R | 24.5/46.6 |
| Obs Airmass | 1.19 |
| SMSS ID | 464777255 |
| Closest SMSS | 0.48'', 2663140628 |
| SMSS Mean r6"ap | 15.8 ± 0.0 |
| 2MASS Kext | 10.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.060 |
| Power law αν | 0.48 ± 0.02 |
| log L5100,AGN | 41.98 ± 0.02 |
| log HβBr/[O III] | <-1.01 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 6.14 ± 0.07 |
| 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 | 38.63 ± 0.47 | 425 ± 63 | 289 ± 26 | 1.49 ± 1.49 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 38.47 ± 0.46 | 375 ± 62 | 159 ± 25 | 1.05 ± 0.87 |
| He II Narrow | 38.87 ± 0.23 | 375 ± 62 | 159 ± 25 | 3.18 ± 1.12 |
| He II Broad | 39.93 ± 0.11 | 8197 ± 62 | 3481 ± 25 | 36.02 ± 4.61 |
| Hβ Narrow | 39.62 ± 0.07 | 425 ± 63 | 290 ± 26 | 19.35 ± 1.66 |
| Hβ Broad | <39.60 | — | — | — |
| [O III] 5007 | 40.61 ± 0.01 | 425 ± 63 | 290 ± 26 | 205.41 ± 1.96 |
| He I Narrow | 38.94 ± 0.17 | 375 ± 62 | 159 ± 25 | 6.50 ± 1.30 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 38.80 ± 0.21 | 375 ± 62 | 159 ± 25 | 5.69 ± 1.61 |
| Hα Narrow | 40.19 ± 0.01 | 375 ± 62 | 159 ± 25 | 151.51 ± 1.99 |
| Hα Broad | 40.38 ± 0.03 | 2051 ± 67 | 788 ± 53 | 236.53 ± 5.13 |
| [N II] 6585 | 40.28 ± 0.01 | 375 ± 62 | 159 ± 25 | 189.37 ± 2.02 |
| [S II] 6718 | 39.98 ± 0.02 | 375 ± 62 | 159 ± 25 | 99.80 ± 2.32 |
| [S II] 6732 | 39.86 ± 0.02 | 375 ± 62 | 159 ± 25 | 76.00 ± 2.28 |
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 | 4.82 |
|---|---|
| Hβ Broad SNR | 0.34 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.08 |
| Host frac | 0.92 |
| log L5100,Host | 43.03 |
| Fe II/Hβ | — |
| Fe II/[O III] | 0.09 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
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.