NGC 6860
Observation
| Spectrum ID | 485673774_sp2 |
|---|---|
| Alt name | g2008469-610560 |
| z | 0.0146 |
| RA, Dec | 302.1954, -61.0999 |
| MJD | 59486.53 |
| SNR/Å B/R | 20.3/52.5 |
| Obs Airmass | 1.35 |
| 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 | -1.99 ± 0.01 |
| log L5100,AGN | 42.50 ± 0.02 |
| log HβBr/[O III] | -0.21 ± 0.02 |
| log ML5100/M☉ | 7.87 ± 0.05 |
| log MHα/M☉ | 7.02 ± 0.03 |
| log MHβ/M☉ | 7.78 ± 0.06 |
| log M[O III]/M☉ | 8.00 ± 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 | 39.24 ± 0.14 | 379 ± 62 | 245 ± 26 | 2.78 ± 0.70 |
| Hγ Broad | — | — | — | — |
| [O III] 4364 | 39.07 ± 0.17 | 365 ± 62 | 154 ± 25 | 1.89 ± 0.43 |
| He II Narrow | 38.86 ± 0.27 | 365 ± 62 | 154 ± 25 | 1.16 ± 0.34 |
| He II Broad | 39.20 ± 0.23 | 1179 ± 62 | 500 ± 25 | 2.54 ± 0.60 |
| Hβ Narrow | 39.79 ± 0.03 | 379 ± 62 | 245 ± 26 | 9.91 ± 0.51 |
| Hβ Broad | 40.54 ± 0.02 | 6385 ± 234 | 2398 ± 66 | 55.07 ± 1.40 |
| [O III] 5007 | 40.74 ± 0.01 | 379 ± 62 | 245 ± 26 | 88.51 ± 0.52 |
| He I Narrow | 39.04 ± 0.07 | 365 ± 62 | 154 ± 25 | 1.77 ± 0.17 |
| He I Broad | 40.04 ± 0.05 | 10316 ± 64 | 4381 ± 26 | 17.86 ± 1.16 |
| [O I] 6300 | 39.60 ± 0.02 | 365 ± 62 | 154 ± 25 | 6.44 ± 0.17 |
| Hα Narrow | 40.38 ± 0.01 | 365 ± 62 | 154 ± 25 | 38.98 ± 0.21 |
| Hα Broad | 41.31 ± 0.01 | 2943 ± 66 | 1520 ± 25 | 329.91 ± 0.72 |
| [N II] 6585 | 40.37 ± 0.01 | 365 ± 62 | 154 ± 25 | 38.09 ± 0.20 |
| [S II] 6718 | 39.96 ± 0.01 | 365 ± 62 | 154 ± 25 | 14.73 ± 0.18 |
| [S II] 6732 | 39.91 ± 0.01 | 365 ± 62 | 154 ± 25 | 13.06 ± 0.18 |
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 | 28.09 |
|---|---|
| Hβ Broad SNR | 3.53 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.37 |
| Host frac | 0.63 |
| log L5100,Host | 42.74 |
| Fe II/Hβ | 1.13 |
| Fe II/[O III] | 0.70 |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 1 |
balmer | 0 |
balmer_snr | 2 |
hb_width | 0 |
balmer_width | 1 |
Hα mass estimates from Cho+2023. Remaining mass estimates from R–L relations in Wang & Woo 2024 and zero-points from Amrutha+2026.