StHA 190

CONFIRMED MILKY WAY
 
Constellation
Aquarius
Equatorial coordinates
α = 21 41 44.892
δ = +02 43 54.479
Galactic coordinates
l = 58.4162°
b = -35.4321°

Suspected 1986Ref
Confirmed 1988Ref
Symbiotic IR type D'Ref
Hot component type shell-burningRef
Outbursts -

Identifiers

StHA 190 IRAS 21392+0230 GSC2.4.2 N0EP000242 AAVSO 000-BCY-230
SIMBAD EM* StHA 190 Pan-STARRS 111273254370338794 SAO - VSX 64170
GAIA DR3 2694546586112887552 SkyMapper - WRAY - GCVS -
2MASS J21414488+0243543 HIP - Hen - BD -
WISE J214144.88+024354.3 TYC 547-712-1 ESO - HD -

Symbiotic Catalogs

Bidelman (1954) - Allen (1984) - Belzcyński et al. (2001) StHA 190 (Conf.)
Gaposchkin (1957) - Kenyon (1986) - Akras et al. (2019) StHA 190 (Conf.)
Boyarchuk (1969) - Vaidis (1988, 1991) -

Position

Right ascension (°) 325.4370Ref Parallax (mas) 0.878±0.020Ref Reddening E(B-V) (mag) 0.08±0.0Ref, Note
Declination (°) 2.7318Ref Distance (kpc) 1.10Ref, Note, 1.08Ref, Note    
Galactic longitude (°) 58.4162Ref Proper motion in α (mas/yr) 3.86±0.02Ref    
Galactic latitude (°) -35.4321Ref Proper motion in δ (mas/yr) 4.04±0.01Ref    

Observations

X-Ray NoRef, NoRef,
YesRef
IR type D'Ref Radio YesRef
X-Ray type βRef J (mag) 8.71Ref Flickering NoRef
GALEX FUV (mag) - H (mag) 8.21Ref Outbursts -
GALEX NUV (mag) - K (mag) 8.02Ref Outburst type -
IUE YesRef WISE W1 (mag) 7.78Ref Jets YesRef
FUSE NoRef WISE W2 (mag) 7.44Ref Resolved nebula -
U (mag) - WISE W3 (mag) 4.12Ref IPmax (eV) 35.1Ref
B (mag) 11.40Ref WISE W4 (mag) 2.13Ref [O III] lines YesRef
V (mag) 10.54Ref IRAS 12μm (Jy) 1.84Ref He II lines NoRef
R (mag) - IRAS 25μm (Jy) 1.65Ref [Fe VII] lines NoRef
I (mag) - IRAS 60μm (Jy) 0.40Ref O VI lines NoRef
BP (mag) 10.73Ref IRAS 100μm (Jy) 2.95Ref
G (mag) 10.26Ref AKARI S09 (Jy) 0.85Ref
RP (mag) 9.60Ref AKARI S18 (Jy) 1.06Ref

Orbit

Orbital period (days) 171±7Ref γ velocity (km/h) -3.18±2.37Ref 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 -        

Cool component

Spectral type G5 IIIRef Mass (M) 2.5Ref, 2.25Ref Pulsation -
Eff. temperature (K) 5150Ref, 5300±150Ref Radius (R) 8.3Ref, 7.88Ref Type -
IR type D'Ref Luminosity (L) 45Ref Pulsation period (days) -
Metallicity [Fe/H] 0Ref     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

Initially classified as a probable symbiotic star by Stephenson (1986), who noted a very red continuum together with emission lines. The symbiotic nature was subsequently confirmed by observations in Downes & Keyes (1988). In Munari et al. (2001), the discovery of a bipolar and highly variable mass outflow from the system was reported. They also claimed that the system has a very short orbital period of 171 days. The cool component in the system was identified as an extremely fast rotator in Zamanov et al. (2006).


References


Last updated: January 13, 2024