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All symbiotics

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Galactic symbiotics

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Version from February 3, 2024

StHA 180

CONFIRMED MILKY WAY
 
Constellation
Aquarius
Equatorial coordinates
α = 20 39 20.605
δ = -05 17 16.399
Galactic coordinates
l = 40.8830°
b = -26.3609°

Suspected 1988Ref
Confirmed 1988Ref
Symbiotic IR type SRef
Hot component type shell-burningRef
Outbursts -
20 39 20.605 -05 17 16.40
FoV: 2.99'

Identifiers

StHA 180 IRAS - GSC2.4.2 S9X0000165 AAVSO 000-BJT-473
SIMBAD EM* StHA 180 Pan-STARRS 101653098358605078 SAO - VSX 239249
GAIA DR3 6908433150198135936 SkyMapper 203920.60-051716.2 WRAY - GCVS -
2MASS J20392060-0517163 HIP - Hen - BD -
WISE J203920.60-051716.3 TYC - ESO - HD -

Symbiotic Catalogs

Bidelman (1954) - Allen (1984) - Belzcyński et al. (2001) StHA 180 (Conf.)
Gaposchkin (1957) - Kenyon (1986) - Akras et al. (2019) StHA 180 (Conf.)
Boyarchuk (1969) - Vaidis (1988, 1991) -

Position

Right ascension (°) 309.8359Ref Parallax (mas) 0.105±0.019Ref Reddening E(B-V) (mag) 0.05±0.0Ref, Note
Declination (°) -5.2879Ref Distance (kpc) 7.71Ref, Note, 7.12Ref, Note    
Galactic longitude (°) 40.8830Ref Proper motion in α (mas/yr) -0.73±0.02Ref    
Galactic latitude (°) -26.3609Ref Proper motion in δ (mas/yr) -4.46±0.02Ref    

Observations

X-Ray NoRef IR type SRef Radio -
X-Ray type - J (mag) 9.61Ref Flickering NoRef
GALEX FUV (mag) 14.34Ref H (mag) 8.70Ref Outbursts -
GALEX NUV (mag) 14.88Ref K (mag) 8.50Ref Outburst type -
IUE NoRef WISE W1 (mag) 8.37Ref Jets -
FUSE NoRef WISE W2 (mag) 8.47Ref Resolved nebula -
U (mag) - WISE W3 (mag) 8.17Ref IPmax (eV) 54.4Ref
B (mag) 14.08Ref WISE W4 (mag) 7.68Ref [O III] lines NoRef
V (mag) 12.65Ref IRAS 12μm (Jy) - He II lines YesRef
R (mag) - IRAS 25μm (Jy) - [Fe VII] lines NoRef
I (mag) - IRAS 60μm (Jy) - O VI lines NoRef
BP (mag) 12.82Ref IRAS 100μm (Jy) -
G (mag) 11.90Ref AKARI S09 (Jy) -
RP (mag) 10.94Ref AKARI S18 (Jy) -

Orbit

Orbital period (days) 1494±38Ref γ velocity (km/h) 20.25±0.60Ref Size of giant’s orbit (AU) -
Eccentricity - RV of giant (km/h) - Separation (AU) -
Inclination (°) - Inferior conj. of giant (JD) - Mass function -
Eclipses -     Mass ratio -
Orbital ephemeris Min (V) = 2451332 + 1494±38 x ERef        

Cool component

Spectral type mid MRef Mass (M) - Pulsation -
Eff. temperature (K) - Radius (R) - Type -
IR type SRef Luminosity (L) - Pulsation period (days) -
Metallicity [Fe/H] -     Pulsation ephemeris -

Hot component

Type/Spectral type - Mass (M) - Spin period (min) -
Shell-burning/Accreting-only shell-burningRef Radius (R) - Accretion disk -
Eff. temperature (K) - Luminosity (L) -    
Lower limit (K) -        
Upper limit (K) -        

Links

SIMBAD   CDS Portal   ARAS Database


Notes

 


References


Last updated: January 13, 2024