ICRF J040106.6-160639
Observation
| Spectrum ID | 21205439_sp1 |
|---|---|
| Alt name | g0401066-160639 |
| z | 0.0315 |
| RA, Dec | 60.2776, -16.1109 |
| MJD | 60963.73 |
| SNR/Å B/R | 20.7/43.7 |
| Obs Airmass | 1.07 |
| SMSS ID | 21205439 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.2 ± 0.0 |
| 2MASS Kext | 10.7 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.028 |
| Power law αν | -0.56 ± 0.30 |
| log L5100,AGN | 40.82 ± 0.55 |
| log HβBr/[O III] | -0.34 ± 0.15 |
| log ML5100/M☉ | 5.86 ± 0.29 |
| log MHα/M☉ | 7.30 ± 0.04 |
| log MHβ/M☉ | 6.31 ± 0.18 |
| log M[O III]/M☉ | 6.57 ± 0.16 |
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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.38 ± 0.34 | 610 ± 71 | 449 ± 31 | 172.82 ± 77.92 |
| Hβ Broad | 40.12 ± 0.14 | 1454 ± 242 | 1119 ± 142 | 924.00 ± 151.90 |
| [O III] 5007 | 40.45 ± 0.03 | 610 ± 71 | 449 ± 31 | 2126.83 ± 86.21 |
| He I Narrow | 39.22 ± 0.22 | 494 ± 62 | 210 ± 25 | 157.41 ± 42.67 |
| He I Broad | 39.78 ± 0.19 | 4020 ± 62 | 1707 ± 25 | 571.13 ± 132.78 |
| [O I] 6300 | 40.03 ± 0.04 | 494 ± 62 | 210 ± 25 | 1109.40 ± 50.59 |
| Hα Narrow | 40.41 ± 0.02 | 494 ± 62 | 210 ± 25 | 2856.29 ± 57.18 |
| Hα Broad | 41.36 ± 0.02 | 3938 ± 138 | 5088 ± 59 | 25332.11 ± 291.65 |
| [N II] 6585 | 40.40 ± 0.02 | 494 ± 62 | 210 ± 25 | 2801.43 ± 56.33 |
| [S II] 6718 | 40.18 ± 0.03 | 494 ± 62 | 210 ± 25 | 1743.26 ± 61.64 |
| [S II] 6732 | 40.09 ± 0.03 | 494 ± 62 | 210 ± 25 | 1409.65 ± 60.94 |
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 | 4.49 |
|---|---|
| Hβ Broad SNR | 1.27 |
| Hγ Broad SNR | 0.43 |
| AGN frac | 0.00 |
| Host frac | 1.00 |
| log L5100,Host | 43.44 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 2 |
balmer_width | 2 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.