SUSPECTED
MILKY WAY
|
| ASASSN-V J204427.66+191440.5 | IRAS - | GSC2.4.2 N2PW000624 | AAVSO - |
| SIMBAD - | Pan-STARRS 131093111150313877 | SAO - | VSX 119830 |
| GAIA DR3 1814037196185955328 | SkyMapper - | WRAY - | GCVS - |
| 2MASS J20442761+1914399 | HIP - | Hen - | BD - |
| WISE J204427.60+191439.9 | 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 (°) | 311.1150Ref | Parallax (mas) | 0.330±0.034Ref | Reddening E(B-V) (mag) | 0.11±0.0Ref, Note |
| Declination (°) | 19.2444Ref | Distance (kpc) | 2.62Ref, Note, 2.66Ref, Note | ||
| Galactic longitude (°) | 63.8030Ref | Proper motion in α (mas/yr) | -7.14±0.03Ref | ||
| Galactic latitude (°) | -14.3291Ref | Proper motion in δ (mas/yr) | -6.90±0.03Ref |
| X-Ray | - | IR type | - | Radio | - |
| X-Ray type | - | J (mag) | 7.26Ref | Flickering | - |
| GALEX FUV (mag) | 21.56Ref | H (mag) | 6.37Ref | Outbursts | - |
| GALEX NUV (mag) | 20.83Ref | K (mag) | 6.03Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 5.96Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 5.98Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 5.75Ref | IPmax (eV) | - |
| B (mag) | 14.18Ref | WISE W4 (mag) | 5.58Ref | [O III] lines | - |
| V (mag) | 12.53Ref | IRAS 12μm (Jy) | - | He II lines | - |
| R (mag) | - | IRAS 25μm (Jy) | - | [Fe VII] lines | - |
| I (mag) | - | IRAS 60μm (Jy) | - | O VI lines | - |
| BP (mag) | 12.97Ref | IRAS 100μm (Jy) | - | ||
| G (mag) | 10.79Ref | AKARI S09 (Jy) | 0.29Ref | ||
| RP (mag) | 9.46Ref | AKARI S18 (Jy) | - |
| Orbital period (days) | - | γ velocity (km/h) | 32.79±0.59Ref | 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 | Yes?Ref |
| Eff. temperature (K) | - | Radius (R⊙) | - | Type | SR?Ref |
| IR type | - | Luminosity (L⊙) | - | Pulsation period (days) | 47.5444985Ref |
| Metallicity [Fe/H] | - | Pulsation ephemeris | - |
| Type/Spectral type | WDRef | Mass (M⊙) | - | Spin period (min) | - |
| Shell-burning/Accreting-only | - | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | - | ||
| Lower limit (K) | - | ||||
| Upper limit (K) | - |
Suspected of having a symbiotic nature by Akras (2023). The authors employed a combination of GALEX UV photometry, 2MASS/WISE IR photometry, and the ASAS-SN variables catalog to select the candidates.