MCG-07-27-032
Observation
| Spectrum ID | 95691489_sp1 |
|---|---|
| Alt name | ESO323-G77 |
| z | 0.0157 |
| RA, Dec | 196.6092, -40.4144 |
| MJD | 60768.44 |
| SNR/Å B/R | 13.5/29.9 |
| Obs Airmass | 1.48 |
| SMSS ID | 95691489 |
| Closest SMSS | 3.38'', 2156470043 |
| SMSS Mean r6"ap | 13.5 ± 0.1 |
| 2MASS Kext | 8.8 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | S7 |
| MW E(B−V) | 0.086 |
| Power law αν | -1.67 ± 0.04 |
| log L5100,AGN | 43.16 ± 0.01 |
| log HβBr/[O III] | 0.15 ± 0.03 |
| log ML5100/M☉ | 7.34 ± 0.06 |
| log MHα/M☉ | 6.91 ± 0.04 |
| log MHβ/M☉ | 7.27 ± 0.07 |
| log M[O III]/M☉ | 7.34 ± 0.07 |
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 | 39.90 ± 0.31 | 559 ± 64 | 235 ± 26 | 2.74 ± 0.58 |
| Hγ Broad | 40.46 ± 0.11 | 1201 ± 107 | 457 ± 45 | 7.60 ± 0.85 |
| [O III] 4364 | 39.82 ± 0.19 | 507 ± 65 | 214 ± 26 | 2.19 ± 0.54 |
| He II Narrow | 39.56 ± 0.31 | 507 ± 65 | 214 ± 26 | 1.24 ± 0.41 |
| He II Broad | 39.82 ± 0.27 | 1183 ± 77 | 502 ± 32 | 2.11 ± 0.63 |
| Hβ Narrow | 40.43 ± 0.08 | 559 ± 64 | 235 ± 26 | 9.42 ± 0.46 |
| Hβ Broad | 41.20 ± 0.03 | 2509 ± 176 | 924 ± 82 | 52.65 ± 0.95 |
| [O III] 5007 | 41.06 ± 0.01 | 559 ± 64 | 235 ± 26 | 39.77 ± 0.46 |
| He I Narrow | 39.55 ± 0.21 | 507 ± 65 | 214 ± 26 | 1.29 ± 0.22 |
| He I Broad | 39.80 ± 0.18 | 1207 ± 214 | 512 ± 90 | 1.89 ± 0.33 |
| [O I] 6300 | 39.32 ± 0.19 | 507 ± 65 | 214 ± 26 | 0.79 ± 0.21 |
| Hα Narrow | 41.10 ± 0.02 | 507 ± 65 | 214 ± 26 | 47.69 ± 0.39 |
| Hα Broad | 41.84 ± 0.01 | 1788 ± 75 | 862 ± 25 | 264.52 ± 0.69 |
| [N II] 6585 | 41.01 ± 0.02 | 507 ± 65 | 214 ± 26 | 38.79 ± 0.36 |
| [S II] 6718 | 40.30 ± 0.02 | 507 ± 65 | 214 ± 26 | 7.72 ± 0.24 |
| [S II] 6732 | 40.24 ± 0.03 | 507 ± 65 | 214 ± 26 | 6.71 ± 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 | 32.64 |
|---|---|
| Hβ Broad SNR | 8.19 |
| Hγ Broad SNR | 3.25 |
| AGN frac | 0.53 |
| Host frac | 0.47 |
| log L5100,Host | 43.11 |
| Fe II/Hβ | 1.52 |
| Fe II/[O III] | 2.03 |
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.