SUSPECTED
MILKY WAY
|
| MPA J1638-4927 | IRAS 16342-4921 | GSC2.4.2 S8UR487405 | AAVSO - |
| SIMBAD PN G335.8-01.6 | Pan-STARRS - | SAO - | VSX - |
| GAIA DR3 5940454414906570624 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J16380179-4927188 | HIP - | Hen - | BD - |
| WISE J163801.80-492719.0 | 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 (°) | 249.5075Ref | Parallax (mas) | - | Reddening E(B-V) (mag) | 2.09±0.03Ref, Note |
| Declination (°) | -49.4553Ref | Distance (kpc) | -, Note |
||
| Galactic longitude (°) | 335.8340Ref | Proper motion in α (mas/yr) | - | ||
| Galactic latitude (°) | -1.6296Ref | Proper motion in δ (mas/yr) | - |
| X-Ray | - | IR type | D'?Ref | Radio | - |
| X-Ray type | - | J (mag) | 14.31Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 13.72Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 13.48Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 11.32Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 10.17Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 4.72Ref | IPmax (eV) | 13.6Ref |
| B (mag) | - | WISE W4 (mag) | 1.95Ref | [O III] lines | NoRef |
| V (mag) | - | IRAS 12μm (Jy) | 0.56Ref | He II lines | NoRef |
| R (mag) | - | IRAS 25μm (Jy) | 1.73Ref | [Fe VII] lines | NoRef |
| I (mag) | - | IRAS 60μm (Jy) | 49.00Ref | O VI lines | NoRef |
| BP (mag) | 19.22Ref | IRAS 100μm (Jy) | 482.00Ref | ||
| G (mag) | 20.12Ref | AKARI S09 (Jy) | 0.26Ref | ||
| RP (mag) | 17.26Ref | AKARI S18 (Jy) | 0.95Ref |
| 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 likely PN in the HASH Database (Parker et al., 2016) but also noted as a possible symbiotic star in Miszalski et al. (2008). The spectrum displays Balmer lines in emission along with He I, [S II], and [O III], while no He II lines are visible.