MGPN LMC 31

SUSPECTED LMC  

Equatorial coordinates
α =  79.122008 | 05 16 29.282000
δ =  -68.303236 | -68 18 11.650000
 
Constellation Dorado
Symbiotic IR Type D
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

MGPN LMC 31 GSC TYC WRAY
SIMBAD [RP2006] 1413 HIP SAO Hen
BD – IRAS  GAIA DR2  ESO
HD 2MASS  WISE  AAVSO

Position

Right ascension (°) 79.122008ref  Parallax (mas) Reddening E(B-V) (mag) 0.462 ± 0.043ref
Declination (°) -68.303236ref Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 278.903240ref Proper motion in α (mas/yr)    
Galactic latitude (°) -33.788318ref Proper motion in δ (mas/yr)    

Observations

U (mag)   X-Ray   Flickering  
B (mag)   X-Ray type   Outbursts No
V (mag)   IUE Yes 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 Dref 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

Suspected to be a symbiotic binary in Iłkiewicz & Mikołajewska (2017) based on the position of the star in the [O III] diagnostic diagrams. 


References

Last updated: Jan 12, 2019 @ 5:15 pm