M31SyS J003923.79+400543.4

SUSPECTED M31  

Equatorial coordinates
α =  9.849133 | 00 39 23.792000
δ =  40.095383 | +40 05 43.378000
 
Constellation Andromeda
Symbiotic IR Type  
Spectral Type M5
Magnitude range (V)  
Outbursts No

Identifiers

M31SyS J003923.79+400543.4 GSC TYC WRAY
SIMBAD M31SyS J003923.79+400543.4 HIP SAO Hen
BD – IRAS  GAIA DR2  ESO
HD 2MASS  WISE  AAVSO

Position

Right ascension (°) 9.849133ref   Parallax (mas) Reddening E(B-V) (mag) 0.056 ± 0.000ref
Declination (°) 40.095383ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 120.435756ref Proper motion in α (mas/yr)    
Galactic latitude (°) -22.717999ref Proper motion in δ (mas/yr)    

Observations

U (mag) 20.66ref X-Ray   Flickering  
B (mag) 21.32ref X-Ray type   Outbursts No
V (mag) 21.00ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 24.6ref
I (mag) 19.65ref 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 M5ref Mass (M)   Pulsation  
Eff. temperature (K)   Radius (R)   Type  
IR type   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) 25000ref Luminosity (L)      
Upper limit (K)          

Links

SIMBAD     CDS Portal


Notes

Classified as a suspected symbiotic binary in Mikołajewska et al. (2014).


References

Last updated: Jan 14, 2019 @ 2:21 pm