[RP2006] 295


Equatorial coordinates
α = 87.093006 ± 0.108200| 05 48 22.321538
δ = -67.981479 ± 0.117100 | -67 58 53.322692
Constellation Dorado
Symbiotic IR Type D🡕
Spectral Type  
Magnitude range (V)  
Outbursts No


[RP2006] 295 GSC TYC WRAY
SIMBAD 2MASS J05482227-6758532 HIP SAO Hen
BD – IRAS  GAIA DR2 4659114208415382656 ESO
HD 2MASS J05482227-6758532 WISE J054822.30-675853.2 AAVSO


Right ascension (°) 87.093006 ± 0.108200 ref Parallax (mas) Reddening E(B-V) (mag) 0.128 ± 0.025ref
Declination (°) -67.981479 ± 0.117100ref Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 278.069720 ± 0.117100ref Proper motion in α (mas/yr) 1.454 ± 0.193ref    
Galactic latitude (°) -30.889780 ± 0.108200ref Proper motion in δ (mas/yr) -0.144 ± 0.222ref    


U (mag) 18.26ref X-Ray   Flickering  
B (mag) 18.89ref X-Ray type   Outbursts No
V (mag) 18.17ref IUE No Type  
R (mag) 17.04ref IRAS flux at 12 μm (Jy)   IPmax (eV)  
I (mag) 16.80ref IRAS flux at 25 μm (Jy)   OVI lines  
G (mag) 17.91ref IRAS flux at 60 μm (Jy)      
J (mag) 14.57ref IRAS flux at 100 μm (Jy)      
H (mag) 13.09ref WISE W1 (mag) 10.77ref    
K (mag) 11.73ref WISE W2 (mag) 9.71ref    
L (mag)   WISE W3 (mag) 7.38ref    
    WISE W4 (mag) 5.88ref    
    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)   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)          


SIMBAD     CDS Portal


Reid (2014) classified the star as a likely symbiotic star and noted compact Hα, low [O III], and no He II 4686.


Last updated: May 2, 2019 @ 11:18 am