V3929 Sgr

CONFIRMED MILKY WAY
 
Constellation
Sagittarius
Equatorial coordinates
α = 18 20 58.867
δ = -26 48 25.722
Galactic coordinates
l = 5.6988°
b = -5.7617°

Suspected 1973Ref
Confirmed 1984Ref
Symbiotic IR type DRef
Hot component type shell-burningRef
Outbursts -

Identifiers

V3929 Sgr IRAS 18178-2649 GSC2.4.2 S9TQ015215 AAVSO 000-BFJ-248
SIMBAD V* V3929 Sgr Pan-STARRS 75832752452531797 SAO - VSX 31629
GAIA DR3 4052749114984244096 SkyMapper - WRAY - GCVS V3929 Sgr
2MASS J18205887-2648255 HIP - Hen 2-390 BD -
WISE J182058.86-264825.5 TYC - ESO 522-19 HD -

Symbiotic Catalogs

Bidelman (1954) - Allen (1984) He2-390 (Conf.) Belzcyński et al. (2001) V3929 Sgr (Conf.)
Gaposchkin (1957) - Kenyon (1986) He2-390 (Conf.) Akras et al. (2019) V3929 Sgr (Conf.)
Boyarchuk (1969) - Vaidis (1988, 1991) CSV 4026 (Conf.)

Position

Right ascension (°) 275.2453Ref Parallax (mas) 0.423±0.067Ref Reddening E(B-V) (mag) 0.47±0.02Ref, Note
Declination (°) -26.8071Ref Distance (kpc) 2.46Ref, Note, 2.17Ref, Note    
Galactic longitude (°) 5.6988Ref Proper motion in α (mas/yr) 0.09±0.09Ref    
Galactic latitude (°) -5.7617Ref Proper motion in δ (mas/yr) -5.51±0.06Ref    

Observations

X-Ray NoRef IR type DRef Radio YesRef
X-Ray type - J (mag) 11.59Ref Flickering -
GALEX FUV (mag) - H (mag) 9.28Ref Outbursts -
GALEX NUV (mag) - K (mag) 7.49Ref Outburst type -
IUE NoRef WISE W1 (mag) 5.71Ref Jets -
FUSE NoRef WISE W2 (mag) 4.15Ref Resolved nebula NoRef
U (mag) - WISE W3 (mag) 2.09Ref IPmax (eV) 99Ref
B (mag) 13.90Ref WISE W4 (mag) 0.61Ref [O III] lines YesRef
V (mag) - IRAS 12μm (Jy) 4.68Ref He II lines YesRef
R (mag) - IRAS 25μm (Jy) 4.37Ref [Fe VII] lines YesRef
I (mag) 14.50Ref IRAS 60μm (Jy) 2.10Ref O VI lines NoRef
BP (mag) 15.28Ref IRAS 100μm (Jy) 6.79Ref
G (mag) 15.00Ref AKARI S09 (Jy) 4.09Ref
RP (mag) 14.16Ref AKARI S18 (Jy) 4.14Ref

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 -
Eclipses -     Mass ratio -
Orbital ephemeris -        

Cool component

Spectral type M1-2 IIIRef Mass (M) - Pulsation Yes?Ref
Eff. temperature (K) 3754Ref Radius (R) - Type Mira?Ref
IR type DRef 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


Notes

In Belczyński et al. (2000), the detection of O VI lines for this target was reported, although the basis for this claim remains unclear. The reference to Remillard et al. (1992) is incorrect, as it pertains to a different object. This paper is also cited in relation to an outburst of the system.


References


Last updated: April 18, 2022