M31SyS J004005.96+401604.3


Equatorial coordinates
α =  10.024812 | 00 40 05.954834
δ =  40.267866 | +40 16 04.316857
Constellation Andromeda
Symbiotic IR Type S
Spectral Type M5-6
Magnitude range (V)  
Outbursts No


M31SyS J004005.96+401604.3 GSC TYC WRAY
SIMBAD M31SyS J004005.96+401604.3 HIP SAO Hen
BD – IRAS  GAIA DR2 369108359843382400 ESO
HD 2MASS J00400597+4016040 WISE  AAVSO


Right ascension (°) 10.024812ref Parallax (mas) Reddening E(B-V) (mag) 0.077 ± 0.018ref
Declination (°) 40.267866ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 120.590188ref Proper motion in α (mas/yr)    
Galactic latitude (°) -22.552323ref Proper motion in δ (mas/yr)    


U (mag)   X-Ray   Flickering  
B (mag)   X-Ray type   Outbursts No
V (mag)   IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 114.0ref
I (mag) 19.76ref IRAS flux at 25 μm (Jy)   OVI lines Yesref
G (mag) 20.71ref IRAS flux at 60 μm (Jy)      
J (mag) 18.30ref IRAS flux at 100 μm (Jy)      
H (mag) 16.60ref WISE W1 (mag)      
K (mag) 16.75ref WISE W2 (mag)      
L (mag)   WISE W3 (mag)      
    WISE W4 (mag)      
    Radio flux (mJy)      


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  
Ephemeris type       Mass ratio  
Ephemeris T(JD)          

Cool component

Spectral type M5-6ref Mass (M)   Pulsation  
Eff. temperature (K)   Radius (R)   Type  
IR type Sref Luminosity (L)   Pulsation period (days)  
Metallicity [Fe/H]       Ephemeris type  
        Ephemeris T(JD)  

Hot component

Type/Spectra   Mass (M)   Spin period (min)  
Eff. temperature (K)   Radius (R)   Accretion disk  
Lower limit (K) 114000ref Luminosity (L)      
Upper limit (K) 170000ref        


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Last updated: Jan 14, 2019 @ 9:54 am