5590460656614152576
Observation
| Spectrum ID | 30817595_sp1 |
|---|---|
| Alt name | 5590460656614152576 |
| z | 0.0305 |
| RA, Dec | 107.3835, -35.6296 |
| MJD | 60672.65 |
| SNR/Å B/R | 13.3/20.1 |
| Obs Airmass | 1.02 |
| SMSS ID | 30817595 |
| Closest SMSS | 7.97'', 2057597554 |
| SMSS Mean r6"ap | 16.2 ± 0.1 |
| 2MASS Kext | 11.9 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.345 |
| Power law αν | 0.46 ± 0.03 |
| log L5100,AGN | 43.29 ± 0.01 |
| log HβBr/[O III] | 0.24 ± 0.05 |
| log ML5100/M☉ | 7.72 ± 0.05 |
| log MHα/M☉ | 7.18 ± 0.03 |
| log MHβ/M☉ | 7.72 ± 0.06 |
| log M[O III]/M☉ | 7.75 ± 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 | 39.64 ± 0.22 | 203 ± 63 | 113 ± 40 | 0.73 ± 0.27 |
| Hγ Broad | 40.72 ± 0.13 | 1813 ± 527 | 671 ± 231 | 8.34 ± 0.72 |
| [O III] 4364 | 39.79 ± 0.13 | 192 ± 63 | 80 ± 25 | 1.11 ± 0.18 |
| He II Narrow | 39.49 ± 0.22 | 192 ± 63 | 80 ± 25 | 0.66 ± 0.18 |
| He II Broad | 40.81 ± 0.18 | 2631 ± 1021 | 1117 ± 434 | 13.44 ± 0.70 |
| Hβ Narrow | 40.18 ± 0.05 | 203 ± 63 | 113 ± 40 | 3.34 ± 0.28 |
| Hβ Broad | 41.48 ± 0.04 | 3642 ± 206 | 1513 ± 225 | 70.70 ± 1.00 |
| [O III] 5007 | 41.23 ± 0.02 | 203 ± 63 | 113 ± 40 | 42.93 ± 0.38 |
| He I Narrow | 39.04 ± 0.25 | 192 ± 63 | 80 ± 25 | 0.41 ± 0.15 |
| He I Broad | 40.09 ± 0.15 | 1560 ± 288 | 663 ± 122 | 4.77 ± 0.45 |
| [O I] 6300 | 39.47 ± 0.11 | 192 ± 63 | 80 ± 25 | 1.29 ± 0.19 |
| Hα Narrow | 40.51 ± 0.02 | 192 ± 63 | 80 ± 25 | 15.60 ± 0.31 |
| Hα Broad | 41.79 ± 0.01 | 2536 ± 95 | 1100 ± 75 | 304.57 ± 1.10 |
| [N II] 6585 | 40.43 ± 0.02 | 192 ± 63 | 80 ± 25 | 13.12 ± 0.29 |
| [S II] 6718 | 40.01 ± 0.04 | 192 ± 63 | 80 ± 25 | 5.21 ± 0.24 |
| [S II] 6732 | 39.97 ± 0.04 | 192 ± 63 | 80 ± 25 | 4.86 ± 0.24 |
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 | 19.25 |
|---|---|
| Hβ Broad SNR | 9.01 |
| Hγ Broad SNR | 3.67 |
| AGN frac | 0.71 |
| Host frac | 0.29 |
| log L5100,Host | 42.90 |
| Fe II/Hβ | 0.50 |
| Fe II/[O III] | 0.89 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
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.