IC 1464B
Observation
| Spectrum ID | 7248405_sp1 |
|---|---|
| Alt name | IC 1464B |
| z | 0.0238 |
| RA, Dec | 345.7960, -8.9891 |
| MJD | 60931.56 |
| SNR/Å B/R | 13.1/32.2 |
| Obs Airmass | 1.08 |
| SMSS ID | 7248405 |
| Closest SMSS | None (< 15") |
| SMSS Mean r6"ap | nan ± nan |
| 2MASS Kext | 10.0 ± 0.0 |
AGN Properties
| Spectrum Type | Sy 2 |
|---|---|
| Quality Flag | good |
| AGN reference | PGC |
| MW E(B−V) | 0.032 |
| Power law αν | 0.49 ± 0.01 |
| log L5100,AGN | 42.57 ± 0.01 |
| log HβBr/[O III] | — |
| log ML5100/M☉ | — |
| log MHα/M☉ | — |
| log MHβ/M☉ | — |
| log M[O III]/M☉ | — |
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 | — | — | — | — |
| He II Narrow | — | — | — | — |
| He II Broad | — | — | — | — |
| Hβ Narrow | 39.82 ± 0.08 | 418 ± 63 | 213 ± 40 | 7.94 ± 1.24 |
| Hβ Broad | — | — | — | — |
| [O III] 5007 | 40.10 ± 0.04 | 418 ± 63 | 213 ± 40 | 16.23 ± 1.33 |
| He I Narrow | 39.05 ± 0.25 | 414 ± 62 | 176 ± 25 | 2.21 ± 0.71 |
| He I Broad | — | — | — | — |
| [O I] 6300 | 39.35 ± 0.13 | 414 ± 62 | 176 ± 25 | 5.20 ± 0.92 |
| Hα Narrow | 40.79 ± 0.01 | 414 ± 62 | 176 ± 25 | 157.01 ± 1.18 |
| Hα Broad | — | — | — | — |
| [N II] 6585 | 40.53 ± 0.01 | 414 ± 62 | 176 ± 25 | 87.37 ± 1.17 |
| [S II] 6718 | 40.09 ± 0.03 | 414 ± 62 | 176 ± 25 | 33.65 ± 1.31 |
| [S II] 6732 | 39.96 ± 0.04 | 414 ± 62 | 176 ± 25 | 24.65 ± 1.25 |
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 | 0.89 |
|---|---|
| Hβ Broad SNR | 0.00 |
| Hγ Broad SNR | 0.00 |
| AGN frac | 0.23 |
| Host frac | 0.77 |
| log L5100,Host | 43.10 |
| Fe II/Hβ | — |
| Fe II/[O III] | — |
Quality flags
spurious_hab/hbb | 0.0/0 |
|---|---|
l5100 | 2 |
balmer | 2 |
balmer_snr | 2 |
hb_width | 2 |
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.