M31SyS J004021.10+404501.1

CONFIRMED M31  

Equatorial coordinates
α =  10.087900 | 00 40 21.096000
δ =  40.750301 | +40 45 01.085000
 
Constellation Andromeda
Symbiotic IR Type S
Spectral Type M
Magnitude range (V)  
Outbursts No

Identifiers

M31SyS J004021.10+404501.1 GSC TYC WRAY
SIMBAD LGGS J004021.11+404501.2 HIP SAO Hen
BD – IRAS  GAIA DR2  ESO
HD 2MASS  WISE  AAVSO

Position

Right ascension (°) 10.087900ref Parallax (mas) Reddening E(B-V) (mag) 0.269 ± 0.062ref
Declination (°) 40.750301ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 120.666513ref Proper motion in α (mas/yr)    
Galactic latitude (°) -22.072679ref Proper motion in δ (mas/yr)    

Observations

U (mag) 22.60ref X-Ray   Flickering  
B (mag) 24.01ref X-Ray type   Outbursts No
V (mag) 23.03ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 54.4ref
I (mag) 20.42ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag)   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 Mref 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) 54000ref Luminosity (L)      
Upper limit (K) 160000ref        

Links

SIMBAD     CDS Portal


Notes

Classification as an S type should be confirmed by near-IR observations (Mikołajewska et al., 2014).


References

Last updated: Jan 12, 2019 @ 2:40 pm