[RP2006] 2180

SUSPECTED LMC  

Equatorial coordinates
α = 82.020135 ± 0.138000| 05 28 04.832447
δ = -68.996399 ±  0.164900| -68 59 47.035236
 
Constellation Dorado
Symbiotic IR Type D’🡕
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

[RP2006] 2180 GSC TYC WRAY
SIMBAD [RP2006] J052804-685947 HIP SAO Hen
BD – IRAS  GAIA DR2 4658481645692123520 ESO
HD 2MASS J05280485-6859473 WISE J052804.82-685947.1 AAVSO

Position

Right ascension (°) 82.020135 ± 0.138000ref Parallax (mas) Reddening E(B-V) (mag) 0.590 ± 0.136ref
Declination (°) -68.996399 ±  0.164900ref Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 279.494696 ±  0.164900ref Proper motion in α (mas/yr) 1.282 ± 0.293ref    
Galactic latitude (°) -32.627123 ± 0.138000ref Proper motion in δ (mas/yr) 0.819 ± 0.311ref    

Observations

U (mag)   X-Ray   Flickering  
B (mag)   X-Ray type   Outbursts No
V (mag)   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) 18.08ref IRAS flux at 60 μm (Jy)      
J (mag) 15.75ref IRAS flux at 100 μm (Jy)      
H (mag) 14.77ref WISE W1 (mag) 11.02ref    
K (mag) 13.47ref WISE W2 (mag) 9.89ref    
L (mag)   WISE W3 (mag) 6.66ref    
    WISE W4 (mag) 4.78ref    
    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   Mass (M)   Pulsation  
Eff. temperature (K) 3848ref Radius (R)   Type  
IR type D’🡕, ref 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 (2014) classified the star as a possible symbiotic star.


References

Last updated: May 2, 2019 @ 11:25 am