NGC 5995
Observation
| Spectrum ID | 168181392_sp1 |
|---|---|
| Alt name | g1548249-134527 |
| z | 0.0253 |
| RA, Dec | 237.1040, -13.7576 |
| MJD | 60165.42 |
| SNR/Å B/R | 22.6/43.1 |
| Obs Airmass | 1.10 |
| SMSS ID | 168181392 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.5 ± 0.0 |
| 2MASS Kext | 9.4 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.8 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.137 |
| Power law αν | -1.99 ± 0.01 |
| log L5100,AGN | 42.93 ± 0.01 |
| log HβBr/[O III] | -0.89 ± 0.19 |
| log ML5100/M☉ | 6.61 ± 0.04 |
| log MHα/M☉ | 6.79 ± 0.04 |
| log MHβ/M☉ | 6.03 ± 0.12 |
| log M[O III]/M☉ | 6.55 ± 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 | — | — | — | — |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 38.90 ± 0.50 | 450 ± 62 | 190 ± 25 | 0.47 ± 0.47 |
| He II Narrow | 39.00 ± 0.42 | 450 ± 62 | 190 ± 25 | 0.59 ± 0.38 |
| He II Broad | 40.02 ± 0.14 | 2997 ± 62 | 1273 ± 25 | 6.25 ± 1.05 |
| Hβ Narrow | 39.96 ± 0.11 | 844 ± 62 | 286 ± 25 | 5.46 ± 0.46 |
| Hβ Broad | 39.86 ± 0.19 | 1211 ± 36 | 449 ± 25 | 3.74 ± 0.64 |
| [O III] 5007 | 40.74 ± 0.01 | 844 ± 62 | 286 ± 25 | 33.12 ± 0.45 |
| He I Narrow | — | — | — | — |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.55 ± 0.10 | 450 ± 62 | 190 ± 25 | 2.14 ± 0.27 |
| Hα Narrow | 40.74 ± 0.01 | 450 ± 62 | 190 ± 25 | 33.05 ± 0.35 |
| Hα Broad | 41.41 ± 0.01 | 2102 ± 63 | 1099 ± 29 | 154.62 ± 1.23 |
| [N II] 6585 | 40.78 ± 0.01 | 450 ± 62 | 190 ± 25 | 36.25 ± 0.35 |
| [S II] 6718 | 40.33 ± 0.02 | 450 ± 62 | 190 ± 25 | 12.89 ± 0.34 |
| [S II] 6732 | 40.21 ± 0.02 | 450 ± 62 | 190 ± 25 | 9.78 ± 0.32 |
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 | 16.86 |
|---|---|
| Hβ Broad SNR | 1.33 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.30 |
| Host frac | 0.70 |
| log L5100,Host | 43.30 |
| Fe II/Hβ | 6.55 |
| Fe II/[O III] | 0.74 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 1 |
balmer_snr | 2 |
hb_width | 0 |
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.