Hen 3-653
        
      
        
  
    
    
    SUSPECTED
    MILKY WAY  
    
Constellation 
Centaurus | 
Equatorial coordinates 
α = 11 25 32.740 
δ =  -59 56 34.073 | 
Galactic coordinates 
l = 292.3649°  
b = 1.1550°  | 
 
  
| Suspected | 
1984Ref | 
 
| Confirmed | 
- | 
 
| Symbiotic IR type | 
S?Ref | 
 
| Hot component type | 
- | 
 
| Outbursts | 
- | 
 
 
   | 
    
      
      
      
     | 
  
     
    
    
      
      
  Symbiotic Catalogs
  
| Bidelman (1954) | 
- | 
Allen (1984) | 
Hen 653 (Susp.) | 
Belzcyński et al. (2001) | 
Hen 3-653 (Susp.) | 
| Gaposchkin (1957) | 
- | 
Kenyon (1986) | 
Hen 653 (Susp.) | 
Akras et al. (2019) | 
Hen 3-653 (Susp.) | 
| Boyarchuk (1969) | 
- | 
Vaidis (1988, 1991) | 
VDS 28 (Conf.) | 
   
  
  
Position
| Right ascension (°) | 
171.3864Ref | 
Parallax (mas) | 
0.186±0.040Ref | 
Reddening E(B-V) (mag) | 
0.89±0.06Ref, Note | 
| Declination (°) | 
-59.9428Ref | 
Distance (kpc) | 
5.36Ref, Note, 3.94Ref, Note | 
  | 
  | 
| Galactic longitude (°) | 
292.3649Ref | 
Proper motion in α (mas/yr) | 
-5.30±0.04Ref | 
  | 
  | 
| Galactic latitude (°) | 
1.1550Ref | 
Proper motion in δ (mas/yr) | 
1.54±0.04Ref | 
  | 
  | 
 
  
  
Observations
  
     | X-Ray | 
     NoRef | 
     IR type | 
     S?Ref | 
     Radio | 
     NoRef | 
   
   
     | X-Ray type | 
     - | 
     J (mag) | 
     6.88Ref | 
     Flickering | 
     - | 
   
   
     | GALEX FUV (mag) | 
     - | 
     H (mag) | 
     5.83Ref | 
     Outbursts | 
     - | 
   
   
     | GALEX NUV (mag) | 
     - | 
     K (mag) | 
     5.34Ref | 
     Outburst type | 
     - | 
   
   
     | IUE | 
     NoRef | 
     WISE W1 (mag) | 
     4.95Ref | 
     Jets | 
     - | 
   
   
     | FUSE | 
     NoRef | 
     WISE W2 (mag) | 
     4.87Ref | 
     Resolved nebula | 
     - | 
   
   
     | U (mag) | 
     - | 
     WISE W3 (mag) | 
     4.24Ref | 
     IPmax (eV) | 
     29.6Ref | 
   
   
     | B (mag) | 
     - | 
     WISE W4 (mag) | 
     3.87Ref | 
     [O III] lines | 
     NoRef | 
   
   
     | V (mag) | 
     12.50Ref | 
     IRAS 12μm (Jy) | 
     0.90Ref | 
     He II lines | 
     NoRef | 
   
   
     | R (mag) | 
     12.95Ref | 
     IRAS 25μm (Jy) | 
     0.29Ref | 
     [Fe VII] lines | 
     NoRef | 
   
   
     | I (mag) | 
     9.67Ref | 
     IRAS 60μm (Jy) | 
     2.33Ref | 
     O VI lines | 
     NoRef | 
   
   
     | BP (mag) | 
     13.80Ref | 
     IRAS 100μm (Jy) | 
     29.50Ref | 
      | 
      | 
   
   
     | G (mag) | 
     11.16Ref | 
     AKARI S09 (Jy) | 
     0.94Ref | 
      | 
      | 
   
   
     | RP (mag) | 
     9.72Ref | 
     AKARI S18 (Jy) | 
     0.27Ref | 
      | 
      | 
   
 
Orbit
| Orbital period (days) | 
- | 
γ velocity (km/h) | 
-3.12±0.95Ref | 
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 | 
M6 IIIRef | 
Mass (M⊙) | 
- | 
Pulsation | 
YesRef | 
| Eff. temperature (K) | 
- | 
Radius (R⊙) | 
- | 
Type | 
SRRef | 
| IR type | 
S?Ref | 
Luminosity (L⊙) | 
- | 
Pulsation period (days) | 
115±1Ref | 
| Metallicity [Fe/H] | 
- | 
  | 
  | 
Pulsation ephemeris | 
- | 
 
Hot component
| Type/Spectral type | 
- | 
Mass (M⊙) | 
- | 
Spin period (min) | 
- | 
  | Shell-burning/Accreting-only | 
  - | 
Radius (R⊙) | 
- | 
Accretion disk | 
- | 
  | Eff. temperature (K) | 
  - | 
Luminosity (L⊙) | 
- | 
  | 
  | 
  | Lower limit (K) | 
  - | 
  | 
  | 
  | 
  | 
| Upper limit (K) | 
- | 
  | 
  | 
  | 
  | 
 
References
- Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
 
- Allen, D. A., 1978, MNRAS, 184, 601, 1978MNRAS.184..601A
 
- Allen, D. A., 1984, PASA, 5, 3, 369, 1984PASA....5..369A
 
- Pereira, C. B., Landaberry, S. J. C., Da Conceição, F., 1998, AJ, 116, 4, 1971, 1998AJ....116.1971P
 
 
Last updated: May 3, 2022