M31SyS J004534.07+413049.0

CONFIRMED M31  

Equatorial coordinates
α =  11.391897 ± 3.187900 | 00 45 34.055358
δ =  41.513536 ± 1.205400 | +41 30 48.730166
 
Constellation Andromeda
Symbiotic IR Type S
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

M31SyS J004534.07+413049.0 GSC TYC WRAY
SIMBAD [VRJ2006] M31V-J00453405+4130487 HIP SAO Hen
BD – IRAS  GAIA DR2 369276683907836800 ESO
HD 2MASS  WISE  AAVSO

Position

Right ascension (°) 11.391897 ± 3.187900ref  Parallax (mas) Reddening E(B-V) (mag) 0.148 ± 0.058ref
Declination (°) 41.513536 ± 1.205400ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 121.752111 ± 1.205400ref Proper motion in α (mas/yr)    
Galactic latitude (°) -21.344766 ± 3.187900ref Proper motion in δ (mas/yr)    

Observations

U (mag) 20.57ref X-Ray   Flickering  
B (mag) 21.39ref X-Ray type   Outbursts No
V (mag) 20.89ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 54.4ref
I (mag) 19.62ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 20.76ref IRAS flux at 60 μm (Jy)      
J (mag)   IRAS flux at 100 μm (Jy)      
H (mag)   WISE W1 (mag)      
K (mag)   WISE W2 (mag)      
L (mag)   WISE W3 (mag)      
    WISE W4 (mag)      
    Radio      
    Radio flux (mJy)      

Orbit

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   Mass (M)   Pulsation Yes?ref
Eff. temperature (K)   Radius (R)   Type SR pulsations?ref
IR type Sref Luminosity (L)   Pulsation period (days) ∼80?ref
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) 54000ref  Luminosity (L)      
Upper limit (K) 110000ref        

Links

SIMBAD     CDS Portal


Notes

Vilardell et al. (2006) report a variable star, M31V J00453405+4130487, with similar BV magnitudes and colour to those of the SySt, and P ∼80 d mostly likely due to SR variability of the red giant component (Mikołajewska et al., 2014).


References

Last updated: Jan 14, 2019 @ 2:18 pm