SUSPECTED
MILKY WAY
|
| K 4-47 | IRAS 04166+5611 | GSC2.4.2 NAS7051831 | AAVSO - |
| SIMBAD PN K 4-47 | Pan-STARRS 175560651883564760 | SAO - | VSX - |
| GAIA DR3 276843494433439872 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J04204528+5618127 | HIP - | Hen - | BD - |
| WISE J042045.26+561812.6 | TYC - | ESO - | HD - |
| Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
| Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | - |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | - |
| Right ascension (°) | 65.1884Ref | Parallax (mas) | - | Reddening E(B-V) (mag) | 0.68±0.01Ref, Note |
| Declination (°) | 56.3034Ref | Distance (kpc) | -, Note |
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| Galactic longitude (°) | 149.0656Ref | Proper motion in α (mas/yr) | - | ||
| Galactic latitude (°) | 4.4519Ref | Proper motion in δ (mas/yr) | - |
| X-Ray | - | IR type | D'?Ref | Radio | YesRef |
| X-Ray type | - | J (mag) | 16.54Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 15.95Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 14.81Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 12.09Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 10.13Ref | Resolved nebula | YesRef |
| U (mag) | - | WISE W3 (mag) | 4.73Ref | IPmax (eV) | 54.4Ref |
| B (mag) | - | WISE W4 (mag) | 1.58Ref | [O III] lines | YesRef |
| V (mag) | - | IRAS 12μm (Jy) | 0.51Ref | He II lines | YesRef |
| R (mag) | - | IRAS 25μm (Jy) | 2.41Ref | [Fe VII] lines | NoRef |
| I (mag) | - | IRAS 60μm (Jy) | 7.12Ref | O VI lines | NoRef |
| BP (mag) | 19.23Ref | IRAS 100μm (Jy) | 5.07Ref | ||
| G (mag) | 21.84Ref | AKARI S09 (Jy) | 0.26Ref | ||
| RP (mag) | 18.27Ref | AKARI S18 (Jy) | 1.53Ref |
| Orbital period (days) | - | γ velocity (km/h) | - | Size of giant’s orbit (AU) | - |
| Eccentricity | - | RV of giant (km/h) | - | Separation (AU) | - |
| Inclination (°) | - | Inferior conj. of giant (JD) | - | Mass function | - |
| Eclipses | - | Mass ratio | - | ||
| Orbital ephemeris | - |
| Spectral type | - | Mass (M⊙) | - | Pulsation | - |
| Eff. temperature (K) | - | Radius (R⊙) | - | Type | - |
| IR type | D'?Ref | Luminosity (L⊙) | - | Pulsation period (days) | - |
| Metallicity [Fe/H] | - | Pulsation ephemeris | - |
| Type/Spectral type | - | Mass (M⊙) | - | Spin period (min) | - |
| Shell-burning/Accreting-only | shell-burning?Ref | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | - | ||
| Lower limit (K) | - | ||||
| Upper limit (K) | - |
Classified as a true PN, the possible link with symbiotic stars is mentioned in the HASH Database of PNe (Parker et al., 2016). The note highlights the highly collimated bipolar structure of the planetary nebula. The spectrum shows emission lines such as Hα, [N II], and [O III].