5778852799983279744
Observation
| Spectrum ID | 408140206_sp1 |
|---|---|
| Alt name | 5778852799983279744 |
| z | 0.0718 |
| RA, Dec | 244.7576, -78.5437 |
| MJD | 59649.75 |
| SNR/Å B/R | 18.5/26.5 |
| Obs Airmass | 1.49 |
| SMSS ID | 408140206 |
| Closest SMSS | 5.94'', 408140208 |
| SMSS Mean r6"ap | 14.7 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.0 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS |
| MW E(B−V) | 0.146 |
| Power law αν | -0.63 ± 0.05 |
| log L5100,AGN | 44.19 ± 0.01 |
| log HβBr/[O III] | 0.88 ± 0.03 |
| log ML5100/M☉ | 8.13 ± 0.03 |
| log MHα/M☉ | 7.90 ± 0.04 |
| log MHβ/M☉ | 8.13 ± 0.03 |
| log M[O III]/M☉ | 7.88 ± 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 | 40.38 ± 0.29 | 287 ± 64 | 405 ± 28 | 0.63 ± 0.30 |
| Hγ Broad | 41.70 ± 0.04 | 3747 ± 339 | 1475 ± 51 | 12.98 ± 0.60 |
| [O III] 4364 | 39.83 ± 0.40 | 245 ± 63 | 103 ± 25 | 0.18 ± 0.13 |
| He II Narrow | 39.85 ± 0.35 | 245 ± 63 | 103 ± 25 | 0.21 ± 0.13 |
| He II Broad | 41.48 ± 0.08 | 10942 ± 109 | 4646 ± 45 | 8.89 ± 0.91 |
| Hβ Narrow | 40.46 ± 0.24 | 287 ± 64 | 405 ± 28 | 0.88 ± 0.29 |
| Hβ Broad | 42.33 ± 0.01 | 3729 ± 137 | 1838 ± 39 | 66.60 ± 0.74 |
| [O III] 5007 | 41.45 ± 0.02 | 287 ± 64 | 405 ± 28 | 9.11 ± 0.33 |
| He I Narrow | 39.80 ± 0.30 | 245 ± 63 | 103 ± 25 | 0.25 ± 0.10 |
| He I Broad | 40.80 ± 0.08 | 1797 ± 85 | 763 ± 35 | 2.53 ± 0.26 |
| [O I] 6300 | 39.70 ± 0.28 | 245 ± 63 | 103 ± 25 | 0.22 ± 0.10 |
| Hα Narrow | 40.92 ± 0.03 | 245 ± 63 | 103 ± 25 | 3.87 ± 0.15 |
| Hα Broad | 42.80 ± 0.01 | 2825 ± 64 | 1334 ± 25 | 295.63 ± 0.66 |
| [N II] 6585 | 40.14 ± 0.16 | 245 ± 63 | 103 ± 25 | 0.66 ± 0.13 |
| [S II] 6718 | 40.15 ± 0.14 | 245 ± 63 | 103 ± 25 | 0.68 ± 0.15 |
| [S II] 6732 | 40.15 ± 0.12 | 245 ± 63 | 103 ± 25 | 0.68 ± 0.12 |
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 | 37.53 |
|---|---|
| Hβ Broad SNR | 12.84 |
| Hγ Broad SNR | 3.85 |
| AGN frac | 0.90 |
| Host frac | 0.10 |
| log L5100,Host | 43.25 |
| Fe II/Hβ | 0.95 |
| Fe II/[O III] | 7.26 |
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.