Mrk 1152
Observation
| Spectrum ID | 12601355_sp1 |
|---|---|
| Alt name | g0113501-145044 |
| z | 0.0528 |
| RA, Dec | 18.4586, -14.8457 |
| MJD | 60203.68 |
| SNR/Å B/R | 20.8/43.0 |
| Obs Airmass | 1.05 |
| SMSS ID | 12601355 |
| Closest SMSS | 4.79'', 2023663967 |
| SMSS Mean r6"ap | 15.3 ± 0.1 |
| 2MASS Kext | 11.4 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.018 |
| Power law αν | -1.39 ± 0.25 |
| log L5100,AGN | 43.14 ± 0.03 |
| log HβBr/[O III] | -0.05 ± 0.20 |
| log ML5100/M☉ | 8.02 ± 0.03 |
| log MHα/M☉ | 7.94 ± 0.02 |
| log MHβ/M☉ | 8.04 ± 0.10 |
| log M[O III]/M☉ | 8.21 ± 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 | 40.17 ± 0.09 | 451 ± 63 | 236 ± 26 | 4.92 ± 0.67 |
| Hγ Broad | 40.90 ± 0.05 | 4587 ± 214 | 1550 ± 40 | 25.90 ± 1.66 |
| [O III] 4364 | 39.73 ± 0.20 | 416 ± 63 | 176 ± 25 | 1.80 ± 0.49 |
| He II Narrow | 39.46 ± 0.30 | 416 ± 63 | 176 ± 25 | 1.01 ± 0.45 |
| He II Broad | — | — | — | — |
| Hβ Narrow | 40.55 ± 0.03 | 451 ± 63 | 236 ± 26 | 12.61 ± 0.66 |
| Hβ Broad | 41.38 +0.37−0.02 | 5545 ± 84 | 2038 ± 36 | 86.13 ± 1.78 |
| [O III] 5007 | 41.43 ± 0.01 | 451 ± 63 | 236 ± 26 | 98.15 ± 0.69 |
| He I Narrow | 39.42 ± 0.21 | 416 ± 63 | 176 ± 25 | 1.06 ± 0.33 |
| He I Broad | 41.00 ± 0.03 | 7756 ± 94 | 3294 ± 39 | 39.49 ± 2.27 |
| [O I] 6300 | 40.18 ± 0.04 | 416 ± 63 | 176 ± 25 | 6.25 ± 0.35 |
| Hα Narrow | 41.07 ± 0.01 | 416 ± 63 | 176 ± 25 | 49.71 ± 0.57 |
| Hα Broad | 42.31 ± 0.01 | 4197 ± 88 | 2030 ± 25 | 863.66 ± 1.68 |
| [N II] 6585 | 41.00 ± 0.01 | 416 ± 63 | 176 ± 25 | 42.55 ± 0.53 |
| [S II] 6718 | 40.51 ± 0.02 | 416 ± 63 | 176 ± 25 | 14.00 ± 0.40 |
| [S II] 6732 | 40.47 ± 0.02 | 416 ± 63 | 176 ± 25 | 12.92 ± 0.41 |
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 | 33.90 |
|---|---|
| Hβ Broad SNR | 4.63 |
| Hγ Broad SNR | 2.08 |
| AGN frac | 0.28 |
| Host frac | 0.72 |
| log L5100,Host | 43.56 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/1 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 1 |
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.