XMMM31 J004325.5+411617

SUSPECTED M31  

Equatorial coordinates
α =  10.856500| 00 43 25.560000
δ =  41.267556 | +41 16 17.100000
 
Constellation Andromeda
Symbiotic IR Type  
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

XMMM31 J004325.5+411617 GSC TYC WRAY
SIMBAD XMMM31 J004325.5+411617 HIP SAO Hen
BD IRAS  GAIA DR2  ESO
HD 2MASS  WISE  AAVSO 

Position

Right ascension (°) 10.856500ref Parallax (mas) Reddening E(B-V) (mag) 0.384 ± 0.047ref
Declination (°) 41.267556ref Distance (kpc) 785.00 ± 25.00ref    
Galactic longitude (°) 121.313190ref Proper motion in α (mas/yr)    
Galactic latitude (°) -21.575150ref Proper motion in δ (mas/yr)    

Observations

U (mag)   X-Ray Yesref   Flickering  
B (mag)   X-Ray type   Outbursts No
V (mag)   IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV)  
I (mag)   IRAS flux at 25 μm (Jy)   OVI lines  
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   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)   Luminosity (L)      
Upper limit (K)          

Links

SIMBAD     CDS Portal


Notes

Identified as an X-ray source in M31. Chiosi et al. (2014) suspected its symbiotic nature. They found an object with colors that may indicate symbiotic in the error circle of this X-ray source (but is fainter than 23rd magnitude).


References

Last updated: May 12, 2019 @ 4:12 pm