SMC N60

CONFIRMED SMC  

Equatorial coordinates
α =  14.274352 ± 0.056956 | 00 57 05.840516
δ =  -74.221273 ± 0.036737 | -74 13 16.565187
 
Constellation Tucana
Symbiotic IR Type S🡕
Spectral Type C3.3
Magnitude range (V)  
Outbursts No

Identifiers

SMC N60 GSC TYC WRAY
SIMBAD LHA 115-N 60 HIP SAO Hen
BD – IRAS  GAIA DR2 4685585706769513344 ESO
HD 2MASS J00570585-7413165 WISE J005705.85-741316.6 AAVSO 000-BLT-629

Position

Right ascension (°) 14.274352 ± 0.056956ref Parallax (mas) Reddening E(B-V) (mag) 0.040 ± 0.002ref
Declination (°) -74.221273 ± 0.036737ref Distance (kpc) 62.10 ± 1.90ref    
Galactic longitude (°) 302.406755 ± 0.036737ref Proper motion in α (mas/yr) 1.027183 ± 0.150513ref    
Galactic latitude (°) -42.901211 ± 0.056956ref Proper motion in δ (mas/yr) -1.120140 ± 0.072273ref    

Observations

U (mag) 16.87ref X-Ray No Flickering  
B (mag) 17.53ref X-Ray type   Outbursts No
V (mag) 16.99ref IUE Yes Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 114.0ref
I (mag) 15.51ref IRAS flux at 25 μm (Jy)   OVI lines Yesref
G (mag) 16.00ref IRAS flux at 60 μm (Jy)      
J (mag) 14.04ref IRAS flux at 100 μm (Jy)      
H (mag) 13.17ref WISE W1 (mag) 12.14ref    
K (mag) 12.62ref WISE W2 (mag) 11.74ref    
L (mag)   WISE W3 (mag) 10.83ref    
    WISE W4 (mag) 9.02ref    
    Radio 6 cmref    
    Radio flux (mJy) 0.093ref    

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 C3.3ref Mass (M)   Pulsation  
Eff. temperature (K) 3350ref Radius (R) 100ref Type  
IR type S🡕, ref Luminosity (L) 1100ref
2377ref
Pulsation period (days)  
Metallicity [Fe/H]       Ephemeris type  
        Ephemeris T(JD)  

Hot component

Type/Spectra   Mass (M)   Spin period (min)  
Eff. temperature (K) 140000ref
<145000ref
Radius (R) >0.085ref Accretion disk  
Lower limit (K)   Luminosity (L) 3000 ± 1000ref    
Upper limit (K)          

Links

SIMBAD     CDS Portal     VSX


Notes

Carbon symbiotic star. Morgan (1992) noted that the star has an R CrB-type light curve. 


References

Last updated: May 2, 2019 @ 11:26 am