2MASS J01033631-7204041


Equatorial coordinates
α = 15.901259 ± 0.054300| 01 03 36.302085
δ =  -72.067836 ± 0.039700| -72 04 04.210608
Constellation Tucana
Symbiotic IR Type S+IR🡕
Spectral Type  
Magnitude range (V)  
Outbursts No


2MASS J01033631-7204041 GSC TYC WRAY
SIMBAD SSTISAGEMC J010336.26-720404.2 HIP SAO Hen
BD – IRAS  GAIA DR2 4690509805182923648 ESO
HD 2MASS J01033631-7204041 WISE J010336.19-720404.1 AAVSO 


Right ascension (°) 15.901259 ± 0.054300ref  Parallax (mas) Reddening E(B-V) (mag) 0.519 ± 0.080ref
Declination (°) -72.067836 ± 0.039700ref Distance (kpc) 62.10 ± 1.90ref    
Galactic longitude (°) 301.607293 ± 0.039700ref Proper motion in α (mas/yr) 0.683 ± 0.131ref    
Galactic latitude (°) -45.029113 ± 0.054300ref Proper motion in δ (mas/yr) -1.219 ± 0.081ref    


U (mag) 16.98ref X-Ray   Flickering  
B (mag) 17.04ref X-Ray type   Outbursts No
V (mag) 16.70ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 35.1ref
I (mag) 15.80ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 16.36ref IRAS flux at 60 μm (Jy)      
J (mag) 15.02ref IRAS flux at 100 μm (Jy)      
H (mag) 14.44ref WISE W1 (mag) 13.80ref    
K (mag) 14.13ref WISE W2 (mag) 13.68ref    
L (mag)   WISE W3 (mag) 11.31ref    
    WISE W4 (mag) 6.79ref    
    Radio flux (mJy)      


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) 3651ref Radius (R)   Type  
IR type S+IR🡕, ref Luminosity (L) 1257ref 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)          


SIMBAD     CDS Portal


Kamath et al. (2014) classified the star as likely symbiotic star as its spectra show a photosphere of a cool star with a red continuum and strong emission lines.


  • Akras, S., Guzman-Ramirez, L., Leal-Ferreira, M. L., et al., 2019, ApJS, 240, 21, 2019ApJS..240…21A
  • Kamath, D., Wood, P. R., Van Winckel, H., 2014, MNRAS, 439, 2211, 2014MNRAS.439.2211K

Last updated: May 2, 2019 @ 10:56 am