LIKELY
MILKY WAY
|
| K 6-39 | IRAS - | GSC2.4.2 S9TK353013 | AAVSO - |
| SIMBAD PN K 6-39 | Pan-STARRS 74662707705995629 | SAO - | VSX 306000 |
| GAIA DR3 4063094827920139136 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J18030493-2746440 | HIP - | Hen - | BD - |
| WISE J180305.08-274644.2 | TYC - | ESO - | HD - |
| Bidelman (1954) | - | Allen (1984) | - | Belzcyński et al. (2001) | - |
| Gaposchkin (1957) | - | Kenyon (1986) | - | Akras et al. (2019) | PHR 1803-2746 (Susp.) |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | - |
| Right ascension (°) | 270.7704Ref | Parallax (mas) | -0.029±0.085Ref | Reddening E(B-V) (mag) | 0.8±0.04Ref, Note |
| Declination (°) | -27.7790Ref | Distance (kpc) | 7.95Ref, Note, 7.29Ref, Note | ||
| Galactic longitude (°) | 2.9420Ref | Proper motion in α (mas/yr) | -4.58±0.09Ref | ||
| Galactic latitude (°) | -2.7287Ref | Proper motion in δ (mas/yr) | -3.56±0.06Ref |
| X-Ray | - | IR type | D?Ref | Radio | - |
| X-Ray type | - | J (mag) | 12.23Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 11.37Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 11.02Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 10.23Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 9.59Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 5.56Ref | IPmax (eV) | 40.7Ref |
| B (mag) | - | WISE W4 (mag) | 2.97Ref | [O III] lines | YesRef |
| V (mag) | - | IRAS 12μm (Jy) | - | He II lines | NoRef |
| R (mag) | - | IRAS 25μm (Jy) | - | [Fe VII] lines | NoRef |
| I (mag) | - | IRAS 60μm (Jy) | - | O VI lines | NoRef |
| BP (mag) | 17.10Ref | IRAS 100μm (Jy) | - | ||
| G (mag) | 15.84Ref | AKARI S09 (Jy) | 0.17Ref | ||
| RP (mag) | 14.38Ref | AKARI S18 (Jy) | 0.37Ref |
| 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) | 41000Ref | ||||
| Upper limit (K) | - |
The detected emission lines are typical of a D-type symbiotic star; however, the stellar component in the analyzed spectrum is spurious, originating from a nearby unrelated star (Miszalski et al., 2013).