CTS 11
Observation
| Spectrum ID | 87107278_sp1 |
|---|---|
| Alt name | PGC 83475 |
| z | 0.0701 |
| RA, Dec | 169.2668, -29.0418 |
| MJD | 61038.72 |
| SNR/Å B/R | 12.9/16.5 |
| Obs Airmass | 1.07 |
| SMSS ID | 87107278 |
| Closest SMSS | 7.01'', 87107279 |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.053 |
| Power law αν | -0.73 ± 0.02 |
| log L5100,AGN | 43.87 ± 0.01 |
| log HβBr/[O III] | 0.52 ± 0.01 |
| log ML5100/M☉ | 7.53 ± 0.03 |
| log MHα/M☉ | 7.32 ± 0.04 |
| log MHβ/M☉ | 7.59 ± 0.03 |
| log M[O III]/M☉ | 7.51 ± 0.03 |
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 | 40.32 ± 0.22 | 402 ± 63 | 207 ± 26 | 1.18 ± 0.27 |
| Hγ Broad | 41.80 ± 0.02 | 2004 ± 246 | 1397 ± 48 | 35.28 ± 0.82 |
| [O III] 4364 | 40.49 ± 0.10 | 401 ± 63 | 169 ± 25 | 1.77 ± 0.24 |
| He II Narrow | 40.45 ± 0.09 | 401 ± 63 | 169 ± 25 | 1.73 ± 0.21 |
| He II Broad | 41.79 ± 0.02 | 7735 ± 192 | 3285 ± 81 | 38.23 ± 1.02 |
| Hβ Narrow | 40.89 ± 0.05 | 402 ± 63 | 207 ± 26 | 5.04 ± 0.29 |
| Hβ Broad | 42.17 ± 0.01 | 2187 ± 68 | 1699 ± 55 | 97.48 ± 1.00 |
| [O III] 5007 | 41.65 ± 0.01 | 402 ± 63 | 207 ± 26 | 30.21 ± 0.30 |
| He I Narrow | 40.08 ± 0.14 | 401 ± 63 | 169 ± 25 | 0.99 ± 0.20 |
| He I Broad | 41.22 ± 0.03 | 3120 ± 148 | 1325 ± 62 | 13.53 ± 0.58 |
| [O I] 6300 | 39.82 ± 0.19 | 401 ± 63 | 169 ± 25 | 0.59 ± 0.17 |
| Hα Narrow | 41.46 ± 0.02 | 401 ± 63 | 169 ± 25 | 27.51 ± 0.38 |
| Hα Broad | 42.54 ± 0.01 | 1747 ± 66 | 1066 ± 25 | 333.24 ± 0.93 |
| [N II] 6585 | 40.66 ± 0.06 | 401 ± 63 | 169 ± 25 | 4.39 ± 0.27 |
| [S II] 6718 | 40.49 ± 0.04 | 401 ± 63 | 169 ± 25 | 3.03 ± 0.22 |
| [S II] 6732 | 40.49 ± 0.05 | 401 ± 63 | 169 ± 25 | 3.04 ± 0.21 |
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 | 47.35 |
|---|---|
| Hβ Broad SNR | 19.20 |
| Hγ Broad SNR | 10.25 |
| AGN frac | 1.00 |
| Host frac | 0.00 |
| log L5100,Host | 41.47 |
| Fe II/Hβ | 0.28 |
| Fe II/[O III] | 0.93 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
balmer | 0 |
balmer_snr | 0 |
hb_width | 2 |
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.