MCG-04-32-029
Observation
| Spectrum ID | 99381978_sp1 |
|---|---|
| Alt name | g1331138-252410 |
| z | 0.0266 |
| RA, Dec | 202.8077, -25.4027 |
| MJD | 61067.74 |
| SNR/Å B/R | 16.7/35.4 |
| Obs Airmass | 1.07 |
| SMSS ID | 99381978 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.7 ± 0.1 |
| 2MASS Kext | 10.8 ± 0.1 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.059 |
| Power law αν | -1.16 ± 0.35 |
| log L5100,AGN | 42.82 ± 0.04 |
| log HβBr/[O III] | -0.02 ± 0.02 |
| log ML5100/M☉ | 7.90 ± 0.07 |
| log MHα/M☉ | 7.63 ± 0.02 |
| log MHβ/M☉ | 7.99 ± 0.08 |
| log M[O III]/M☉ | 8.14 ± 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 | 39.63 ± 0.26 | 681 ± 63 | 278 ± 25 | 2.90 ± 0.74 |
| Hγ Broad | 40.23 ± 0.10 | 2036 ± 197 | 668 ± 33 | 10.95 ± 1.32 |
| [O III] 4364 | 39.91 ± 0.09 | 569 ± 63 | 241 ± 25 | 5.52 ± 0.72 |
| He II Narrow | 39.51 ± 0.23 | 569 ± 63 | 241 ± 25 | 2.32 ± 0.56 |
| He II Broad | 39.33 ± 0.41 | 1214 ± 64 | 515 ± 26 | 1.52 ± 0.81 |
| Hβ Narrow | 40.20 ± 0.05 | 681 ± 63 | 278 ± 25 | 11.86 ± 0.67 |
| Hβ Broad | 41.22 ± 0.02 | 5653 ± 438 | 3073 ± 61 | 124.34 ± 2.49 |
| [O III] 5007 | 41.24 ± 0.01 | 681 ± 63 | 279 ± 25 | 133.45 ± 0.72 |
| He I Narrow | 39.30 ± 0.27 | 569 ± 63 | 241 ± 25 | 1.74 ± 0.38 |
| He I Broad | 39.51 ± 0.24 | 1179 ± 62 | 500 ± 25 | 2.81 ± 0.55 |
| [O I] 6300 | 40.14 ± 0.03 | 569 ± 63 | 241 ± 25 | 12.71 ± 0.45 |
| Hα Narrow | 40.77 ± 0.01 | 569 ± 63 | 241 ± 25 | 56.01 ± 0.63 |
| Hα Broad | 41.73 ± 0.01 | 4403 ± 87 | 1831 ± 25 | 509.78 ± 1.62 |
| [N II] 6585 | 40.93 ± 0.01 | 569 ± 63 | 241 ± 25 | 81.71 ± 0.61 |
| [S II] 6718 | 40.49 ± 0.01 | 569 ± 63 | 241 ± 25 | 29.85 ± 0.56 |
| [S II] 6732 | 40.44 ± 0.01 | 569 ± 63 | 241 ± 25 | 27.13 ± 0.56 |
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 | 18.19 |
|---|---|
| Hβ Broad SNR | 5.09 |
| Hγ Broad SNR | 2.12 |
| AGN frac | 0.32 |
| Host frac | 0.68 |
| log L5100,Host | 43.16 |
| Fe II/Hβ | 0.63 |
| Fe II/[O III] | 0.60 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
hb_width | 1 |
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.