MCG-01-59-027
Observation
| Spectrum ID | 8493273_sp1 |
|---|---|
| Alt name | g2330323-022745 |
| z | 0.0327 |
| RA, Dec | 352.6347, -2.4625 |
| MJD | 59026.72 |
| SNR/Å B/R | 19.1/36.0 |
| Obs Airmass | 1.29 |
| SMSS ID | 8493273 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 15.2 ± 0.1 |
| 2MASS Kext | 10.3 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.2 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.044 |
| Power law αν | 0.33 ± 0.11 |
| log L5100,AGN | 43.18 ± 0.02 |
| log HβBr/[O III] | 0.54 ± 0.02 |
| log ML5100/M☉ | 7.74 ± 0.03 |
| log MHα/M☉ | 7.57 ± 0.02 |
| log MHβ/M☉ | 7.65 ± 0.04 |
| log M[O III]/M☉ | 7.52 ± 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 | 39.35 ± 0.33 | 261 ± 63 | 223 ± 27 | 0.52 ± 0.28 |
| Hγ Broad | 40.73 ± 0.05 | 3295 ± 207 | 1262 ± 36 | 12.44 ± 0.70 |
| [O III] 4364 | 39.53 ± 0.14 | 203 ± 62 | 83 ± 25 | 0.80 ± 0.16 |
| He II Narrow | 38.85 ± 0.40 | 203 ± 62 | 83 ± 25 | 0.19 ± 0.14 |
| He II Broad | 40.21 ± 0.11 | 3968 ± 116 | 1685 ± 48 | 4.55 ± 0.69 |
| Hβ Narrow | 40.29 ± 0.04 | 261 ± 63 | 223 ± 27 | 5.93 ± 0.30 |
| Hβ Broad | 41.17 ± 0.01 | 3943 ± 85 | 1482 ± 30 | 44.66 ± 0.76 |
| [O III] 5007 | 40.63 ± 0.02 | 261 ± 63 | 223 ± 27 | 13.87 ± 0.32 |
| He I Narrow | — | — | — | — |
| He I Broad | 40.91 ± 0.02 | 4744 ± 85 | 2015 ± 35 | 38.30 ± 0.85 |
| [O I] 6300 | 39.72 ± 0.05 | 203 ± 62 | 83 ± 25 | 2.89 ± 0.20 |
| Hα Narrow | 40.97 ± 0.01 | 203 ± 62 | 83 ± 25 | 56.36 ± 0.27 |
| Hα Broad | 41.92 ± 0.01 | 3588 ± 64 | 1445 ± 27 | 506.32 ± 1.36 |
| [N II] 6585 | 40.64 ± 0.01 | 203 ± 62 | 83 ± 25 | 26.68 ± 0.25 |
| [S II] 6718 | 40.06 ± 0.02 | 203 ± 62 | 83 ± 25 | 7.44 ± 0.24 |
| [S II] 6732 | 40.00 ± 0.03 | 203 ± 62 | 83 ± 25 | 6.41 ± 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 | 28.46 |
|---|---|
| Hβ Broad SNR | 6.58 |
| Hγ Broad SNR | 3.25 |
| AGN frac | 0.51 |
| Host frac | 0.49 |
| log L5100,Host | 43.15 |
| Fe II/Hβ | 0.24 |
| Fe II/[O III] | 0.82 |
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.