M31SyS J004411.71+411336.0

CONFIRMED M31  

Equatorial coordinates
α =  11.048785 ± 2.373800 | 00 44 11.708477
δ =  41.226651 ± 1.078800 | +41 13 35.944819
 
Constellation Andromeda
Symbiotic IR Type S
Spectral Type M4-6
Magnitude range (V)  
Outbursts No

Identifiers

M31SyS J004411.71+411336.0 GSC TYC WRAY
SIMBAD LGGS J004411.71+411336.1 HIP SAO Hen
BD – IRAS –  GAIA DR2 369254182573478912 ESO
HD 2MASS –  WISE  AAVSO

Position

Right ascension (°) 11.048785 ± 2.373800 ref Parallax (mas) Reddening E(B-V) (mag) 0.222 ± 0.081ref
Declination (°) 41.226651 ± 1.078800ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 121.467061 ± 1.078800ref Proper motion in α (mas/yr)    
Galactic latitude (°) -21.624497 ± 2.373800ref Proper motion in δ (mas/yr)    

Observations

U (mag) 20.99ref X-Ray   Flickering  
B (mag) 21.58ref X-Ray type   Outbursts No
V (mag) 20.81ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 114.0ref
I (mag) 19.13ref IRAS flux at 25 μm (Jy)   OVI lines Yesref
G (mag) 20.58ref 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 M4-6ref 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) 260000ref        

Links

SIMBAD     CDS Portal


Notes

 


References

Last updated: Jan 12, 2019 @ 4:04 pm