NGC 185 SySt-1

CONFIRMED NGC 185  

Equatorial coordinates
α =  9.751517 | 00 39 00.364000
δ =  48.324047 | +48 19 26.570000
 
Constellation Cassiopeia
Symbiotic IR Type S
Spectral Type  
Magnitude range (V)  
Outbursts No

Identifiers

NGC 185 SySt-1 GSC TYC WRAY
SIMBAD NAME NGC 185 SySt-1 HIP SAO Hen
BD – IRAS  GAIA DR2  ESO
HD 2MASS  WISE  AAVSO

Position

Right ascension (°) 9.751517ref   Parallax (mas) Reddening E(B-V) (mag) 0.154 ± 0.007ref
Declination (°) 48.324047ref Distance (kpc) 630.00 ± 40.00ref    
Galactic longitude (°) 120.797983ref Proper motion in α (mas/yr)    
Galactic latitude (°) -14.496186ref Proper motion in δ (mas/yr)    

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) 114.0ref
I (mag)   IRAS flux at 25 μm (Jy)   OVI lines Yesref
G (mag)   IRAS flux at 60 μm (Jy)      
J (mag)   IRAS flux at 100 μm (Jy)      
H (mag)   WISE W1 (mag)      
K (mag)   WISE W2 (mag)      
L (mag)   WISE W3 (mag)      
    WISE W4 (mag)      
    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 Sref 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) 82800ref Radius (R)   Accretion disk  
Lower limit (K)   Luminosity (L)      
Upper limit (K)          

Links

SIMBAD     CDS Portal


Notes

NGC 185 SySt-1 possesses a broad emission feature at 6830 Å and does not show forbidden lines in its spectrum, an S-type symbiotic class is suggested for this star (Gonçalves et al., 2012).


References

  • Gonçalves, D. R., Magrini, L., Martins, L. P., et al., 2012, MNRAS, 419, 854, 2012MNRAS.419..854G

Last updated: Jan 13, 2019 @ 11:09 am