CTS 97
Observation
| Spectrum ID | 105971684_sp1 |
|---|---|
| Alt name | g1219350-135715 |
| z | 0.0702 |
| RA, Dec | 184.8959, -13.9543 |
| MJD | 60019.58 |
| SNR/Å B/R | 9.8/23.1 |
| Obs Airmass | 1.07 |
| SMSS ID | 105971684 |
| Closest SMSS | 13.30'', 105971686 |
| SMSS Mean r6"ap | 16.0 ± 0.1 |
| 2MASS Kext | 12.4 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.054 |
| Power law αν | -1.50 ± 0.30 |
| log L5100,AGN | 43.39 ± 0.04 |
| log HβBr/[O III] | 0.83 ± 0.02 |
| log ML5100/M☉ | 8.02 ± 0.04 |
| log MHα/M☉ | 7.65 ± 0.03 |
| log MHβ/M☉ | 8.18 ± 0.04 |
| log M[O III]/M☉ | 7.94 ± 0.04 |
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 | 40.05 ± 0.28 | 438 ± 64 | 188 ± 26 | 2.07 ± 0.78 |
| Hγ Broad | 41.40 ± 0.04 | 3748 ± 581 | 1554 ± 62 | 46.91 ± 2.32 |
| [O III] 4364 | 40.39 ± 0.11 | 433 ± 64 | 183 ± 26 | 4.70 ± 0.70 |
| He II Narrow | 39.96 ± 0.23 | 433 ± 64 | 183 ± 26 | 1.79 ± 0.61 |
| He II Broad | 41.58 ± 0.04 | 17356 ± 131 | 7371 ± 55 | 75.15 ± 4.30 |
| Hβ Narrow | 40.23 ± 0.14 | 438 ± 64 | 188 ± 26 | 3.35 ± 0.69 |
| Hβ Broad | 41.93 ± 0.01 | 4888 ± 204 | 2294 ± 51 | 172.78 ± 2.83 |
| [O III] 5007 | 41.11 ± 0.02 | 438 ± 64 | 188 ± 26 | 25.87 ± 0.79 |
| He I Narrow | — | — | — | — |
| He I Broad | 41.17 ± 0.03 | 6215 ± 175 | 2639 ± 74 | 32.44 ± 1.23 |
| [O I] 6300 | 39.18 ± 0.41 | 433 ± 64 | 183 ± 26 | 0.35 ± 0.30 |
| Hα Narrow | 40.82 ± 0.04 | 433 ± 64 | 183 ± 26 | 15.54 ± 0.41 |
| Hα Broad | 42.32 ± 0.01 | 2994 ± 76 | 1573 ± 25 | 480.70 ± 1.38 |
| [N II] 6585 | 40.79 ± 0.03 | 433 ± 64 | 183 ± 26 | 14.45 ± 0.39 |
| [S II] 6718 | 40.55 ± 0.04 | 433 ± 64 | 183 ± 26 | 8.36 ± 0.45 |
| [S II] 6732 | 40.41 ± 0.04 | 433 ± 64 | 183 ± 26 | 6.04 ± 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 | 22.56 |
|---|---|
| Hβ Broad SNR | 7.94 |
| Hγ Broad SNR | 3.84 |
| AGN frac | 0.49 |
| Host frac | 0.51 |
| log L5100,Host | 43.41 |
| Fe II/Hβ | 0.41 |
| Fe II/[O III] | 2.77 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
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.