2MASS J23115022-6419218
Observation
| Spectrum ID | 486843906_sp1 |
|---|---|
| Alt name | g2311502-641922 |
| z | 0.0934 |
| RA, Dec | 347.9592, -64.3228 |
| MJD | 60176.63 |
| SNR/Å B/R | 13.3/17.0 |
| Obs Airmass | 1.19 |
| SMSS ID | 486843906 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 17.0 ± 0.1 |
| 2MASS Kext | 13.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.018 |
| Power law αν | 0.47 ± 0.03 |
| log L5100,AGN | 43.48 ± 0.02 |
| log HβBr/[O III] | 0.23 ± 0.20 |
| log ML5100/M☉ | 7.42 ± 0.02 |
| log MHα/M☉ | 6.86 ± 0.04 |
| log MHβ/M☉ | 7.36 ± 0.10 |
| log M[O III]/M☉ | 7.40 ± 0.02 |
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 | 39.79 ± 0.37 | 387 ± 63 | 178 ± 29 | 0.69 ± 0.44 |
| Hγ Broad | 41.22 ± 0.05 | 1941 ± 392 | 1145 ± 68 | 18.75 ± 0.98 |
| [O III] 4364 | 39.52 ± 0.42 | 383 ± 63 | 162 ± 25 | 0.38 ± 0.28 |
| He II Narrow | 39.65 ± 0.36 | 383 ± 63 | 162 ± 25 | 0.61 ± 0.31 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.54 ± 0.07 | 387 ± 63 | 179 ± 29 | 5.16 ± 0.59 |
| Hβ Broad | 41.52 +0.37−0.02 | 2351 ± 26 | 870 ± 25 | 49.10 ± 0.93 |
| [O III] 5007 | 41.29 ± 0.01 | 387 ± 63 | 179 ± 29 | 31.22 ± 0.69 |
| He I Narrow | 39.46 ± 0.36 | 383 ± 63 | 162 ± 25 | 0.69 ± 0.34 |
| He I Broad | 40.83 ± 0.05 | 2396 ± 63 | 1017 ± 25 | 16.17 ± 0.98 |
| [O I] 6300 | 39.87 ± 0.16 | 383 ± 63 | 162 ± 25 | 2.13 ± 0.49 |
| Hα Narrow | 41.11 ± 0.02 | 383 ± 63 | 162 ± 25 | 40.21 ± 0.68 |
| Hα Broad | 42.08 ± 0.01 | 1432 ± 63 | 772 ± 25 | 374.75 ± 1.90 |
| [N II] 6585 | 41.12 ± 0.01 | 383 ± 63 | 162 ± 25 | 41.64 ± 0.61 |
| [S II] 6718 | 40.52 ± 0.05 | 383 ± 63 | 162 ± 25 | 11.04 ± 0.74 |
| [S II] 6732 | 40.36 ± 0.06 | 383 ± 63 | 162 ± 25 | 7.66 ± 0.75 |
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 | 30.27 |
|---|---|
| Hβ Broad SNR | 8.48 |
| Hγ Broad SNR | 4.48 |
| AGN frac | 0.63 |
| Host frac | 0.37 |
| log L5100,Host | 43.26 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 2 |
balmer | 0 |
balmer_snr | 0 |
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.