[JD2002] 11

CONFIRMED SMC  

Equatorial coordinates
α =  12.719436 ± 1.515621 | 00 50 52.640000
δ =  -72.871271 ± 0.918200 | -72 52 16.500000
 
Constellation Tucana
Symbiotic IR Type D🡕
Spectral Type Mira
Magnitude range (V)  
Outbursts No

Identifiers

[JD2002] 11 GSC TYC WRAY
SIMBAD [JD2002] 11 HIP SAO Hen
BD – IRAS  GAIA DR2 4688960142322145152 ESO
HD 2MASS J00505264-7252165 WISE J005052.65-725216.5 AAVSO

Position

Right ascension (°) 12.719436 ± 1.515621ref  Parallax (mas) Reddening E(B-V) (mag) 0.613 ± 0.069ref
Declination (°) -72.871271 ± 0.918200ref  Distance (kpc) 62.10 ± 1.90ref    
Galactic longitude (°) 302.989550 ± 0.918200ref  Proper motion in α (mas/yr)    
Galactic latitude (°) -44.256940 ± 1.515621ref  Proper motion in δ (mas/yr)    

Observations

U (mag)   X-Ray   Flickering  
B (mag)   X-Ray type   Outbursts No
V (mag) 21.29ref IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV) 75.0ref
I (mag) 19.56ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 20.73ref  IRAS flux at 60 μm (Jy)      
J (mag) 16.07ref IRAS flux at 100 μm (Jy)      
H (mag) 14.07ref WISE W1 (mag) 10.65ref      
K (mag) 12.51ref WISE W2 (mag) 9.68ref    
L (mag)   WISE W3 (mag) 7.96ref    
    WISE W4 (mag) 7.12ref    
    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 Miraref Mass (M)   Pulsation Yesref
Eff. temperature (K)   Radius (R)   Type  
IR type D🡕, ref Luminosity (L) 3000 ± 200ref Pulsation period (days) 215.2ref
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) 75000ref Luminosity (L)      
Upper limit (K) 100000ref        

Links

SIMBAD     CDS Portal


Notes

Suspected in Hajduk et al. (2014) and confirmed as D-type symbiotic star based on the spectral analysis presented in Hajduk et al. (2015).


References

  • Hajduk, M., Gładkowski, M., Soszyński, I., 2014, A&A, 561, A8, 2014A&A…561A…8H
  • Hajduk, M., Gromadzki, M., Mikołajewska, J., et al., 2015, Acta Astronomica, 65, 139, 2015AcA….65..139H

Last updated: May 2, 2019 @ 11:00 am