CONFIRMED
MILKY WAY
|
| Ve 2-57 | IRAS - | GSC2.4.2 S9SF712469 | AAVSO 000-BJT-851 |
| SIMBAD Ve 2-57 | Pan-STARRS 78522720917065637 | SAO - | VSX 48865 |
| GAIA DR3 4065871335252612608 | SkyMapper 180822.05-243344.9 | WRAY - | GCVS - |
| 2MASS J18082205-2433450 | HIP - | Hen - | BD - |
| WISE J180822.05-243344.9 | TYC - | ESO - | HD - |
| Bidelman (1954) | - | Allen (1984) | Ve2-57 (Susp.) | Belzcyński et al. (2001) | Ve 2-57 (Conf.) |
| Gaposchkin (1957) | - | Kenyon (1986) | Ve 2-57 (Susp.) | Akras et al. (2019) | Ve 2-57 (Conf.) |
| Boyarchuk (1969) | - | Vaidis (1988, 1991) | NSV 10241 (Conf.) |
| Right ascension (°) | 272.0919Ref | Parallax (mas) | 0.232±0.044Ref | Reddening E(B-V) (mag) | 2.0±0.08Ref, Note |
| Declination (°) | -24.5625Ref | Distance (kpc) | 3.44Ref, Note, 3.15Ref, Note | ||
| Galactic longitude (°) | 6.3316Ref | Proper motion in α (mas/yr) | -1.44±0.04Ref | ||
| Galactic latitude (°) | -2.1961Ref | Proper motion in δ (mas/yr) | 2.84±0.03Ref |
| X-Ray | NoRef | IR type | SRef | Radio | NoRef |
| X-Ray type | - | J (mag) | 8.87Ref | Flickering | - |
| GALEX FUV (mag) | - | H (mag) | 7.60Ref | Outbursts | - |
| GALEX NUV (mag) | - | K (mag) | 7.11Ref | Outburst type | - |
| IUE | NoRef | WISE W1 (mag) | 6.81Ref | Jets | - |
| FUSE | NoRef | WISE W2 (mag) | 6.92Ref | Resolved nebula | - |
| U (mag) | - | WISE W3 (mag) | 6.72Ref | IPmax (eV) | 54.4?Ref |
| B (mag) | - | WISE W4 (mag) | 5.98Ref | [O III] lines | YesRef |
| V (mag) | 12.50Ref | IRAS 12μm (Jy) | - | He II lines | Yes?Ref |
| R (mag) | - | IRAS 25μm (Jy) | - | [Fe VII] lines | NoRef |
| I (mag) | - | IRAS 60μm (Jy) | - | O VI lines | NoRef |
| BP (mag) | 15.73Ref | IRAS 100μm (Jy) | - | ||
| G (mag) | 13.20Ref | AKARI S09 (Jy) | 0.12Ref | ||
| RP (mag) | 11.78Ref | AKARI S18 (Jy) | - |
| Orbital period (days) | - | γ velocity (km/h) | -2.49±0.96Ref | 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 | MRef | Mass (M⊙) | - | Pulsation | - |
| Eff. temperature (K) | - | Radius (R⊙) | - | Type | - |
| IR type | SRef | Luminosity (L⊙) | - | Pulsation period (days) | - |
| Metallicity [Fe/H] | - | Pulsation ephemeris | - |
| Type/Spectral type | - | Mass (M⊙) | - | Spin period (min) | - |
| Shell-burning/Accreting-only | shell-burningRef | Radius (R⊙) | - | Accretion disk | - |
| Eff. temperature (K) | - | Luminosity (L⊙) | - | ||
| Lower limit (K) | - | ||||
| Upper limit (K) | - |
Listed as a suspected symbiotic star in the catalog by Allen (1984), based on the work of Allen (1978), who describes the object as a highly reddened M star with Balmer, [O III], and probably He II emission. Belczyński et al. (2000) reported the object as a confirmed symbiotic star.