2MASS J09435541-7049411
Observation
| Spectrum ID | 453569328_sp1 |
|---|---|
| Alt name | 5242563770154481408 |
| z | 0.0719 |
| RA, Dec | 145.9809, -70.8281 |
| MJD | 59993.71 |
| SNR/Å B/R | 13.9/19.6 |
| Obs Airmass | 1.46 |
| SMSS ID | 453569328 |
| Closest SMSS | 8.16'', 453569331 |
| SMSS Mean r6"ap | 16.4 ± 0.1 |
| 2MASS Kext | nan ± nan |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | AllBRICQS2 |
| MW E(B−V) | 0.169 |
| Power law αν | 0.44 ± 0.04 |
| log L5100,AGN | 43.62 ± 0.01 |
| log HβBr/[O III] | 0.15 ± 0.12 |
| log ML5100/M☉ | 7.44 ± 0.02 |
| log MHα/M☉ | 7.37 ± 0.03 |
| log MHβ/M☉ | 7.47 ± 0.06 |
| log M[O III]/M☉ | 7.56 ± 0.02 |
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 | 40.41 ± 0.14 | 352 ± 63 | 292 ± 26 | 2.11 ± 0.35 |
| Hγ Broad | 41.58 ± 0.02 | 2711 ± 167 | 1009 ± 47 | 30.37 ± 0.67 |
| [O III] 4364 | 39.75 ± 0.27 | 278 ± 63 | 117 ± 25 | 0.47 ± 0.20 |
| He II Narrow | 40.02 ± 0.13 | 278 ± 63 | 117 ± 25 | 1.05 ± 0.20 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.81 ± 0.04 | 352 ± 63 | 292 ± 26 | 7.08 ± 0.39 |
| Hβ Broad | 41.86 +0.23−0.01 | 2241 ± 48 | 827 ± 27 | 79.08 ± 0.66 |
| [O III] 5007 | 41.71 ± 0.01 | 352 ± 63 | 292 ± 26 | 60.08 ± 0.44 |
| He I Narrow | 39.86 ± 0.14 | 278 ± 63 | 117 ± 25 | 1.24 ± 0.29 |
| He I Broad | 41.17 ± 0.02 | 3443 ± 168 | 1462 ± 71 | 25.34 ± 0.76 |
| [O I] 6300 | 39.99 ± 0.07 | 278 ± 63 | 117 ± 25 | 2.01 ± 0.22 |
| Hα Narrow | 40.95 ± 0.02 | 278 ± 63 | 117 ± 25 | 20.27 ± 0.37 |
| Hα Broad | 42.49 ± 0.01 | 1925 ± 63 | 868 ± 25 | 692.25 ± 1.18 |
| [N II] 6585 | 40.86 ± 0.02 | 278 ± 63 | 117 ± 25 | 16.34 ± 0.34 |
| [S II] 6718 | 40.54 ± 0.03 | 278 ± 63 | 117 ± 25 | 8.22 ± 0.33 |
| [S II] 6732 | 40.39 ± 0.03 | 278 ± 63 | 117 ± 25 | 5.94 ± 0.29 |
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 | 62.72 |
|---|---|
| Hβ Broad SNR | 19.46 |
| Hγ Broad SNR | 9.17 |
| AGN frac | 0.81 |
| Host frac | 0.19 |
| log L5100,Host | 42.98 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/2 |
|---|---|
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.