CONFIRMED
    MILKY WAY
 
  | 
    
| 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 - | 
| 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.) | 
| 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 | 
| 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 | 
| 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 | - | 
| 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 | - | 
| 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) | - | 
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.