SUSPECTED
MILKY WAY
|
| EW Leo | IRAS 10419+1941 | GSC2.4.2 N6Y0000039 | AAVSO 000-BDS-891 |
| SIMBAD V* EW Leo | Pan-STARRS 131301611682948326 | SAO - | VSX 17197 |
| GAIA DR3 3986584800151935872 | SkyMapper - | WRAY - | GCVS EW Leo |
| 2MASS J10444040+1925226 | HIP 52553 | Hen - | BD +20 2516 |
| WISE J104440.38+192522.7 | TYC 1431-666-1 | 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 (°) | 161.1683Ref | Parallax (mas) | 0.926±0.039Ref | Reddening E(B-V) (mag) | 0.03±0.0Ref, Note |
| Declination (°) | 19.4230Ref | Distance (kpc) | 1.04Ref, Note, 1.02Ref, Note | ||
| Galactic longitude (°) | 220.9689Ref | Proper motion in α (mas/yr) | -10.96±0.05Ref | ||
| Galactic latitude (°) | 59.9765Ref | Proper motion in δ (mas/yr) | -0.61±0.04Ref |
| X-Ray | - | IR type | - | Radio | - |
| X-Ray type | - | J (mag) | 4.13Ref | Flickering | - |
| GALEX FUV (mag) | 17.98Ref | H (mag) | 3.20Ref | Outbursts | - |
| GALEX NUV (mag) | 18.28Ref | K (mag) | 2.87Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 1.44Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 1.47Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 2.22Ref | IPmax (eV) | - |
| B (mag) | 11.48Ref | WISE W4 (mag) | 1.87Ref | [O III] lines | - |
| V (mag) | 10.03Ref | IRAS 12μm (Jy) | 6.53Ref | He II lines | - |
| R (mag) | - | IRAS 25μm (Jy) | 2.16Ref | [Fe VII] lines | - |
| I (mag) | - | IRAS 60μm (Jy) | 0.40Ref | O VI lines | - |
| BP (mag) | 9.99Ref | IRAS 100μm (Jy) | 1.00Ref | ||
| G (mag) | 7.76Ref | AKARI S09 (Jy) | 7.12Ref | ||
| RP (mag) | 6.35Ref | AKARI S18 (Jy) | 2.33Ref |
| Orbital period (days) | - | γ velocity (km/h) | 13.07±0.40Ref | 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 | M5Ref | Mass (M⊙) | - | Pulsation | - |
| Eff. temperature (K) | - | Radius (R⊙) | - | Type | - |
| IR type | - | Luminosity (L⊙) | - | Pulsation period (days) | - |
| 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.