LMC S63

CONFIRMED LMC  

Equatorial coordinates
α =  87.180981 ± 0.023063 | 05 48 43.4317066
δ =  -67.602860 ± 0.023484 | -67 36 10.309134
 
Constellation Dorado
Symbiotic IR Type S🡕
Spectral Type C2.1J
Magnitude range (V) 14.5-16.8ref
Outbursts Z And?

Identifiers

LMC S63 GSC TYC WRAY
SIMBAD SV* HV 12671 HIP SAO Hen
BD – IRAS  GAIA DR2 4659219800198046336 ESO
HD 2MASS J05484342-6736102 WISE J054843.42-673610.2 AAVSO 000-BJP-583

Position

Right ascension (°) 87.180981 ± 0.023063ref  Parallax (mas) Reddening E(B-V) (mag) 0.103 ± 0.015ref
Declination (°) -67.602860 ± 0.023484ref Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 277.6270266 ± 0.023484ref Proper motion in α (mas/yr) 1.400171 ± 0.048563ref    
Galactic latitude (°) -30.879002 ± 0.023063ref Proper motion in δ (mas/yr) 0.843894 ± 0.053309ref    

Observations

U (mag)   X-Ray Yesref Flickering  
B (mag) 16.71ref X-Ray type αref Outbursts Yesref
V (mag) 15.51ref IUE Yes Type Z And?ref
R (mag) 15.17ref IRAS flux at 12 μm (Jy)   IPmax (eV) 97.1ref
I (mag) 14.07ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 15.16ref IRAS flux at 60 μm (Jy)      
J (mag) 12.51ref IRAS flux at 100 μm (Jy)      
H (mag) 11.65ref WISE W1 (mag) 11.01ref    
K (mag) 11.33ref WISE W2 (mag) 11.07ref    
L (mag) 10.90ref WISE W3 (mag) 10.54ref    
    WISE W4 (mag) 9.36ref    
    Radio      
    Radio flux (mJy)      

Orbit

Orbital period (days) 1050 ± 0.5ref 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 Min(B)ref     Mass ratio  
Ephemeris T(JD) 2449885.6 ± 7.4ref        

Cool component

Spectral type C2.1Jref Mass (M) 2ref Pulsation Yesref
Eff. temperature (K) 3500 ± 250ref
3662ref
Radius (R) 190ref
230ref
Type  
IR type S🡕, ref Luminosity (L) 9120ref
3900ref
Pulsation period (days) 72 ± 1ref
Metallicity [Fe/H]       Ephemeris type Min(I)ref
        Ephemeris T(JD) 2456035 ± 1ref

Hot component

Type/Spectra   Mass (M)   Spin period (min)  
Eff. temperature (K) 100000ref
85000ref
Radius (R) 0.40ref Accretion disk  
Lower limit (K)   Luminosity (L) 1600ref
7500ref
   
Upper limit (K)          

Links

SIMBAD     CDS Portal     VSX


Notes

The giant companion was spectroscopically classified as a carbon star. The photographic light curve revealed a 2.5 mag outburst which started in 1930 and the star remained active in the optical for at least 14 years (Iłkiewicz et al., 2015).


References

Last updated: May 2, 2019 @ 11:08 am