2MASS J00411657-7233253

CONFIRMED SMC  

Equatorial coordinates
α =  10.319088 ± 0.027600 | 00 41 16.581105
δ =  -72.557040 ± 0.025300 | -72 33 25.344513
 
Constellation Tucana
Symbiotic IR Type S
Spectral Type  
Magnitude range (V)  
Outbursts Z And?

Identifiers

2MASS J00411657-7233253 GSC TYC WRAY
SIMBAD 2MASS J00411657-7233253 HIP SAO Hen
BD – IRAS  GAIA DR2 4689129986794765056 ESO
HD 2MASS J00411657-7233253 WISE J004116.57-723325.4 AAVSO

Position

Right ascension (°) 10.319088 ± 0.027600ref Parallax (mas) Reddening E(B-V) (mag) 0.052 ± 0.005ref
Declination (°) -72.557040 ± 0.025300ref Distance (kpc) 62.10 ± 1.90ref    
Galactic longitude (°) 304.000196 ± 0.025300ref Proper motion in α (mas/yr) 0.607000 ± 0.062000ref    
Galactic latitude (°) -44.550126 ± 0.027600ref Proper motion in δ (mas/yr) -1.163000 ± 0.054000ref    

Observations

U (mag) 19.01ref X-Ray   Flickering  
B (mag) 16.60ref X-Ray type   Outbursts Yesref
V (mag) 16.80ref IUE No Type Z And?ref
R (mag) 15.16ref IRAS flux at 12 μm (Jy)   IPmax (eV) 24.6ref
I (mag) 14.15ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 15.31ref IRAS flux at 60 μm (Jy)      
J (mag) 12.97ref IRAS flux at 100 μm (Jy)      
H (mag) 12.11ref WISE W1 (mag) 11.70ref    
K (mag) 11.87ref WISE W2 (mag) 11.73ref    
L (mag)   WISE W3 (mag) 11.34ref    
    WISE W4 (mag) 9.41ref    
    Radio      
    Radio flux (mJy)      

Orbit

Orbital period (days) ∼400?ref 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 Yes?ref
Eff. temperature (K) 3570ref Radius (R) 165ref Type quasi-periodicref
IR type Sref Luminosity (L)   Pulsation period (days) ∼70?ref
Metallicity [Fe/H]       Ephemeris type  
        Ephemeris T(JD)  

Hot component

Type/Spectra WDref Mass (M)   Spin period (min)  
Eff. temperature (K)   Radius (R)   Accretion disk  
Lower limit (K)   Luminosity (L) 750ref    
Upper limit (K) 120000ref        

Links

SIMBAD     CDS Portal


Notes

2MASS J00411657-7233253 shows quasi-periodic variability and a marginally detectable variability on timescale of ∼400 d. OVI lines are not detected (Iłkiewicz et al., 2018).


References

  • Iłkiewicz, K., Mikołajewska, J., Shara, M. M., et al., 2018, arXiv e-prints, arXiv:1811.06696, submitted to ApJ, 2018arXiv181106696I

Last updated: Jan 14, 2019 @ 10:06 am