[RP2006] 822

SUSPECTED LMC  

Equatorial coordinates
α = 82.031569 ± 0.038600 | 05 28 07.571661
δ = -69.241149 ± 0.050800 | -69 14 28.141884
 
Constellation Dorado
Symbiotic IR Type  
Spectral Type B1V[e]
Magnitude range (V)  
Outbursts No

Identifiers

[RP2006] 822 GSC TYC WRAY
SIMBAD UCAC2 1801227 HIP SAO Hen
BD – IRAS  GAIA DR2 4658097125797620096 ESO
HD 2MASS J05280703-6914284 WISE J052807.16-691428.6 AAVSO

Position

Right ascension (°) 82.031569 ± 0.038600ref   Parallax (mas) Reddening E(B-V) (mag) 0.298 ± 0.034ref
Declination (°) -69.241149 ± 0.050800ref  Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 279.780815 ± 0.050800ref  Proper motion in α (mas/yr) 1.650 ± 0.073ref     
Galactic latitude (°) -32.584395 ± 0.038600ref  Proper motion in δ (mas/yr) 0.421 ± 0.085ref     

Observations

U (mag)   X-Ray   Flickering  
B (mag) 15.73ref  X-Ray type   Outbursts No
V (mag) 14.14ref  IUE No Type  
R (mag)   IRAS flux at 12 μm (Jy)   IPmax (eV)  
I (mag)   IRAS flux at 25 μm (Jy)   OVI lines  
G (mag) 15.73ref  IRAS flux at 60 μm (Jy)      
J (mag) 14.52ref IRAS flux at 100 μm (Jy)      
H (mag) 13.90ref WISE W1 (mag) 13.56ref    
K (mag) 14.01ref WISE W2 (mag) 13.55ref    
L (mag)   WISE W3 (mag) 12.89ref    
    WISE W4 (mag) 9.74ref    
    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 B1V[e]ref  Mass (M)   Pulsation  
Eff. temperature (K)   Radius (R)   Type  
IR type   Luminosity (L)   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)          

Links

SIMBAD     CDS Portal


Notes

Reid & Parker (2012) classified the star as a possible symbiotic star. On the other hand, they classified the spectrum as B1V[e].


References

Last updated: May 11, 2019 @ 10:19 am