[RP2006] 870

SUSPECTED LMC  

Equatorial coordinates
α =  80.823042 ± 0.019000| 05 23 17.530120
δ =  -69.647306 ± 0.023400| -69 38 50.300215
 
Constellation Dorado
Symbiotic IR Type  
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

[RP2006] 870 GSC TYC WRAY
SIMBAD [BE74] 574 HIP SAO Hen
BD – IRAS  GAIA DR2 4657981677080250240 ESO
HD 2MASS J05231752-6938502 WISE J052317.57-693850.1 AAVSO 000-BMM-715

Position

Right ascension (°) 80.823042 ± 0.019000ref Parallax (mas) Reddening E(B-V) (mag) 1.236 ± 0.281ref
Declination (°) -69.647306 ± 0.023400ref Distance (kpc) 49.97 ± 0.19ref    
Galactic longitude (°) 280.343236 ± 0.023400ref Proper motion in α (mas/yr) 2.098000 ± 0.034000ref    
Galactic latitude (°) -32.932679 ± 0.019000ref Proper motion in δ (mas/yr) 0.271000 ± 0.043000ref    

Observations

U (mag)   X-Ray   Flickering  
B (mag) 15.87ref X-Ray type   Outbursts No
V (mag) 16.06ref IUE No Type  
R (mag) 14.02ref IRAS flux at 12 μm (Jy)   IPmax (eV) 35.1ref
I (mag) 13.92ref IRAS flux at 25 μm (Jy)   OVI lines Noref
G (mag) 14.76ref IRAS flux at 60 μm (Jy)      
J (mag) 12.47ref IRAS flux at 100 μm (Jy)      
H (mag) 11.69ref WISE W1 (mag) 11.22ref    
K (mag) 11.40ref WISE W2 (mag) 11.28ref    
L (mag)   WISE W3 (mag) 11.68ref    
    WISE W4 (mag) 9.33ref    
    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)   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     VSX


Notes

The spectrum of [RP2006] 870 shows high ionization emission lines of He I, He II and [O III] and molecular absorption bands of TiO 6180Å and 7100Å (Mathew et al., 2017).


References

  • Mathew, B., Reid, W. A., Mennickent, R. E., et al., 2017, Research Notes of the American Astronomical Society, 1, 23, 2017RNAAS…1a..23M

Last updated: Jan 14, 2019 @ 10:49 am