NGC 6860
Observation
| Spectrum ID | 485673774_sp5 |
|---|---|
| Alt name | g2008469-610560 |
| z | 0.0146 |
| RA, Dec | 302.1954, -61.0999 |
| MJD | 59501.41 |
| SNR/Å B/R | 23.3/51.8 |
| Obs Airmass | 1.18 |
| SMSS ID | 485673774 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | 14.3 ± 0.1 |
| 2MASS Kext | 9.4 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 1.5 |
|---|---|
| Quality Flag | good |
| AGN reference | 6dFGS |
| MW E(B−V) | 0.036 |
| Power law αν | -1.81 ± 0.09 |
| log L5100,AGN | 42.90 ± 0.01 |
| log HβBr/[O III] | 0.05 ± 0.02 |
| log ML5100/M☉ | 7.89 ± 0.09 |
| log MHα/M☉ | 7.39 ± 0.02 |
| log MHβ/M☉ | 7.82 ± 0.10 |
| log M[O III]/M☉ | 7.93 ± 0.10 |
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 | 39.48 ± 0.11 | 394 ± 63 | 198 ± 28 | 1.91 ± 0.32 |
| Hγ Broad | 40.09 ± 0.12 | 2685 ± 520 | 904 ± 168 | 6.40 ± 0.54 |
| [O III] 4364 | 39.38 ± 0.15 | 382 ± 63 | 161 ± 25 | 1.50 ± 0.25 |
| He II Narrow | 39.19 ± 0.15 | 382 ± 63 | 161 ± 25 | 0.97 ± 0.20 |
| He II Broad | 39.80 ± 0.23 | 2684 ± 1094 | 1140 ± 464 | 3.33 ± 0.52 |
| Hβ Narrow | 39.92 ± 0.03 | 394 ± 63 | 198 ± 28 | 5.35 ± 0.25 |
| Hβ Broad | 40.96 ± 0.02 | 5382 ± 555 | 3066 ± 97 | 57.57 ± 1.02 |
| [O III] 5007 | 40.91 ± 0.01 | 394 ± 63 | 198 ± 28 | 52.39 ± 0.27 |
| He I Narrow | 38.96 ± 0.18 | 382 ± 63 | 161 ± 25 | 0.60 ± 0.11 |
| He I Broad | 39.63 ± 0.07 | 1184 ± 63 | 503 ± 25 | 2.82 ± 0.20 |
| [O I] 6300 | 39.73 ± 0.02 | 382 ± 63 | 161 ± 25 | 3.60 ± 0.12 |
| Hα Narrow | 40.59 ± 0.01 | 382 ± 63 | 161 ± 25 | 26.07 ± 0.15 |
| Hα Broad | 41.59 ± 0.01 | 3695 ± 75 | 1640 ± 33 | 262.15 ± 0.53 |
| [N II] 6585 | 40.56 ± 0.01 | 382 ± 63 | 161 ± 25 | 24.35 ± 0.15 |
| [S II] 6718 | 40.12 ± 0.01 | 382 ± 63 | 161 ± 25 | 8.83 ± 0.12 |
| [S II] 6732 | 40.07 ± 0.01 | 382 ± 63 | 161 ± 25 | 7.98 ± 0.13 |
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 | 31.69 |
|---|---|
| Hβ Broad SNR | 6.00 |
| Hγ Broad SNR | 2.43 |
| AGN frac | 0.55 |
| Host frac | 0.45 |
| log L5100,Host | 42.81 |
| Fe II/Hβ | 0.64 |
| Fe II/[O III] | 0.71 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 0 |
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.