M31SyS J004323.68+413733.6

CONFIRMED M31  

Equatorial coordinates
α =  10.848675 | 00 43 23.682000
δ =  41.625988 | +41 37 33.557000
 
Constellation Andromeda
Symbiotic IR Type S
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

M31SyS J004323.68+413733.6 GSC TYC WRAY
SIMBAD WISE J004323.68+413733.6 HIP SAO Hen
BD – IRAS  GAIA DR2  ESO
HD 2MASS  WISE  J004323.69+413733.3 AAVSO

Position

Right ascension (°) 10.848675ref   Parallax (mas) Reddening E(B-V) (mag) 0.262 ± 0.034ref
Declination (°) 41.625988ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 121.319637ref Proper motion in α (mas/yr)    
Galactic latitude (°) -21.220581ref Proper motion in δ (mas/yr)    

Observations

U (mag)   X-Ray   Flickering  
B (mag) 23.10ref X-Ray type   Outbursts No
V (mag) 22.50ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 114.0ref
I (mag) 20.91ref IRAS flux at 25 μm (Jy)   OVI lines Yesref
G (mag)   IRAS flux at 60 μm (Jy)      
J (mag)   IRAS flux at 100 μm (Jy)      
H (mag)   WISE W1 (mag) 15.52ref    
K (mag)   WISE W2 (mag) 14.93ref    
L (mag)   WISE W3 (mag) 12.57ref    
    WISE W4 (mag) 9.21ref    
    Radio      
    Radio flux (mJy)      

Orbit

Orbital period (days) ∼1000? ref 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  
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        

Links

SIMBAD     CDS Portal


Notes

The spectrum of the object has a very weak continuum (Mikołajewska et al., 2014). There is a nearby red variable, [PAC] 47312, with ∼1000 d (Vilardell et al., 2006).


References

Last updated: Jan 14, 2019 @ 9:56 am