2MASS J20320251-1023314
Observation
| Spectrum ID | 302936407_sp1 |
|---|---|
| Alt name | 6904608636440724096 |
| z | 0.0805 |
| RA, Dec | 308.0105, -10.3921 |
| MJD | 60872.77 |
| SNR/Å B/R | 8.1/12.4 |
| Obs Airmass | 1.64 |
| SMSS ID | 302936407 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | 13.0 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.055 |
| Power law αν | -1.10 ± 0.04 |
| log L5100,AGN | 43.74 ± 0.01 |
| log HβBr/[O III] | 0.67 ± 0.03 |
| log ML5100/M☉ | 7.19 ± 0.04 |
| log MHα/M☉ | 6.99 ± 0.04 |
| log MHβ/M☉ | 7.15 ± 0.04 |
| log M[O III]/M☉ | 6.99 ± 0.05 |
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 | 40.24 ± 0.36 | 363 ± 68 | 236 ± 31 | 1.38 ± 0.57 |
| Hγ Broad | 41.42 ± 0.04 | 1411 ± 81 | 522 ± 29 | 20.52 ± 0.86 |
| [O III] 4364 | 40.33 ± 0.15 | 291 ± 64 | 123 ± 26 | 1.75 ± 0.38 |
| He II Narrow | 40.07 ± 0.28 | 291 ± 64 | 123 ± 26 | 1.03 ± 0.33 |
| He II Broad | 40.71 ± 0.14 | 1179 ± 63 | 501 ± 25 | 4.36 ± 0.65 |
| Hβ Narrow | 40.70 ± 0.16 | 363 ± 68 | 236 ± 31 | 4.42 ± 0.53 |
| Hβ Broad | 41.83 ± 0.02 | 1579 ± 70 | 577 ± 33 | 57.79 ± 0.84 |
| [O III] 5007 | 41.16 ± 0.03 | 363 ± 68 | 236 ± 31 | 13.24 ± 0.55 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.91 ± 0.06 | 1189 ± 84 | 505 ± 34 | 7.88 ± 0.51 |
| [O I] 6300 | 39.27 ± 0.45 | 291 ± 64 | 123 ± 26 | 0.21 ± 0.20 |
| Hα Narrow | 41.26 ± 0.03 | 291 ± 64 | 123 ± 26 | 21.18 ± 0.36 |
| Hα Broad | 42.34 ± 0.01 | 1384 ± 63 | 695 ± 25 | 250.53 ± 0.88 |
| [N II] 6585 | 40.88 ± 0.03 | 291 ± 64 | 123 ± 26 | 8.92 ± 0.31 |
| [S II] 6718 | 40.17 ± 0.09 | 291 ± 64 | 123 ± 26 | 1.79 ± 0.25 |
| [S II] 6732 | 39.86 ± 0.22 | 291 ± 64 | 123 ± 26 | 0.88 ± 0.27 |
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 | 32.43 |
|---|---|
| Hβ Broad SNR | 14.11 |
| Hγ Broad SNR | 7.00 |
| AGN frac | 0.98 |
| Host frac | 0.02 |
| log L5100,Host | 42.13 |
| Fe II/Hβ | 1.27 |
| Fe II/[O III] | 5.70 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.