6dFGS gJ201134.0-415733
Observation
| Spectrum ID | 487085816_sp1 |
|---|---|
| Alt name | g2011340-415733 |
| z | 0.0487 |
| RA, Dec | 302.8915, -41.9587 |
| MJD | 60163.54 |
| SNR/Å B/R | 15.9/31.7 |
| Obs Airmass | 1.02 |
| SMSS ID | 487085816 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.3 ± 0.1 |
| 2MASS Kext | 11.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.8+ |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.047 |
| Power law αν | -1.95 ± 0.06 |
| log L5100,AGN | 41.89 ± 0.43 |
| log HβBr/[O III] | <-0.61 |
| log ML5100/M☉ | — |
| log MHα/M☉ | 7.31 ± 0.10 |
| 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 | — | — | — | — |
| He II Narrow | 39.12 ± 0.36 | 415 ± 62 | 175 ± 25 | 8.53 ± 4.18 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.79 ± 0.10 | 447 ± 63 | 240 ± 27 | 40.72 ± 5.79 |
| Hβ Broad | <40.19 | — | — | — |
| [O III] 5007 | 40.80 ± 0.01 | 447 ± 63 | 240 ± 27 | 415.17 ± 6.21 |
| He I Narrow | 38.68 ± 0.46 | 415 ± 62 | 175 ± 25 | 3.12 ± 2.59 |
| He I Broad | 39.46 ± 0.24 | 1889 ± 63 | 802 ± 25 | 19.16 ± 6.12 |
| [O I] 6300 | 39.64 ± 0.07 | 415 ± 62 | 175 ± 25 | 29.29 ± 2.62 |
| Hα Narrow | 40.19 ± 0.04 | 415 ± 62 | 175 ± 25 | 102.21 ± 3.59 |
| Hα Broad | 41.28 ± 0.01 | 4181 ± 438 | 2359 ± 30 | 1268.16 ± 12.26 |
| [N II] 6585 | 40.55 ± 0.01 | 415 ± 62 | 175 ± 25 | 234.84 ± 3.45 |
| [S II] 6718 | 39.96 ± 0.04 | 415 ± 62 | 175 ± 25 | 59.98 ± 2.84 |
| [S II] 6732 | 39.88 ± 0.04 | 415 ± 62 | 175 ± 25 | 50.31 ± 2.86 |
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 | 6.20 |
|---|---|
| Hβ Broad SNR | 0.80 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.04 |
| Host frac | 0.96 |
| log L5100,Host | 43.27 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
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.