GDS J1830235-135539
        
      
        
  
    
    
    LIKELY
    MILKY WAY  
    
Constellation 
Scutum | 
Equatorial coordinates 
α = 18 30 23.471 
δ =  -13 55 42.020 | 
Galactic coordinates 
l = 18.1623°  
b = -1.7502°  | 
 
  
| Suspected | 
2022Ref | 
 
| Confirmed | 
- | 
 
| Symbiotic IR type | 
D?Ref | 
 
| Hot component type | 
accreting-only?Ref | 
 
| Outbursts | 
YesRef - SyN?Ref | 
 
 
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  Symbiotic Catalogs
  
| Bidelman (1954) | 
- | 
Allen (1984) | 
- | 
Belzcyński et al. (2001) | 
- | 
| Gaposchkin (1957) | 
- | 
Kenyon (1986) | 
- | 
Akras et al. (2019) | 
- | 
| Boyarchuk (1969) | 
- | 
Vaidis (1988, 1991) | 
- | 
   
  
  
Position
| Right ascension (°) | 
277.5978Ref | 
Parallax (mas) | 
-0.059±0.120Ref | 
Reddening E(B-V) (mag) | 
1.77±0.03Ref, Note | 
| Declination (°) | 
-13.9283Ref | 
Distance (kpc) | 
7.01Ref, Note, 5.35Ref, Note | 
  | 
  | 
| Galactic longitude (°) | 
18.1623Ref | 
Proper motion in α (mas/yr) | 
-4.47±0.13Ref | 
  | 
  | 
| Galactic latitude (°) | 
-1.7502Ref | 
Proper motion in δ (mas/yr) | 
-8.78±0.10Ref | 
  | 
  | 
 
  
  
Observations
  
     | X-Ray | 
     - | 
     IR type | 
     D?Ref | 
     Radio | 
     - | 
   
   
     | X-Ray type | 
     - | 
     J (mag) | 
     8.28Ref | 
     Flickering | 
     - | 
   
   
     | GALEX FUV (mag) | 
     - | 
     H (mag) | 
     6.83Ref | 
     Outbursts | 
     YesRef | 
   
   
     | GALEX NUV (mag) | 
     - | 
     K (mag) | 
     5.87Ref | 
     Outburst type | 
     SyN?Ref | 
   
   
     | IUE | 
     NoRef | 
     WISE W1 (mag) | 
     5.04Ref | 
     Jets | 
     - | 
   
   
     | FUSE | 
     NoRef | 
     WISE W2 (mag) | 
     4.07Ref | 
     Resolved nebula | 
     - | 
   
   
     | U (mag) | 
     - | 
     WISE W3 (mag) | 
     3.09Ref | 
     IPmax (eV) | 
     24.6Ref | 
   
   
     | B (mag) | 
     - | 
     WISE W4 (mag) | 
     2.14Ref | 
     [O III] lines | 
     NoRef | 
   
   
     | V (mag) | 
     - | 
     IRAS 12μm (Jy) | 
     1.78Ref | 
     He II lines | 
     NoRef | 
   
   
     | R (mag) | 
     - | 
     IRAS 25μm (Jy) | 
     1.11Ref | 
     [Fe VII] lines | 
     NoRef | 
   
   
     | I (mag) | 
     12.13Ref | 
     IRAS 60μm (Jy) | 
     22.30Ref | 
     O VI lines | 
     NoRef | 
   
   
     | BP (mag) | 
     18.30Ref | 
     IRAS 100μm (Jy) | 
     278.00Ref | 
      | 
      | 
   
   
     | G (mag) | 
     14.36Ref | 
     AKARI S09 (Jy) | 
     2.47Ref | 
      | 
      | 
   
   
     | RP (mag) | 
     12.72Ref | 
     AKARI S18 (Jy) | 
     1.26Ref | 
      | 
      | 
   
 
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 | 
- | 
Mass (M⊙) | 
- | 
Pulsation | 
YesRef | 
| Eff. temperature (K) | 
- | 
Radius (R⊙) | 
- | 
Type | 
MiraRef | 
| IR type | 
D?Ref | 
Luminosity (L⊙) | 
- | 
Pulsation period (days) | 
315.3Ref | 
| Metallicity [Fe/H] | 
- | 
  | 
  | 
Pulsation ephemeris | 
- | 
 
Hot component
| Type/Spectral type | 
- | 
Mass (M⊙) | 
- | 
Spin period (min) | 
- | 
  | Shell-burning/Accreting-only | 
  accreting-only?Ref | 
Radius (R⊙) | 
- | 
Accretion disk | 
- | 
  | Eff. temperature (K) | 
  - | 
Luminosity (L⊙) | 
- | 
  | 
  | 
  | Lower limit (K) | 
  - | 
  | 
  | 
  | 
  | 
| Upper limit (K) | 
- | 
  | 
  | 
  | 
  | 
 
References
- Taguchi, K., Yamamoto, M., Moriyama, M. et al., 2022, ATel, 15623, 1, 2022ATel15623....1T
 
 
Last updated: December 26, 2022