V648 Car
        
      
        
  
    
    
    CONFIRMED
    MILKY WAY  
    
Constellation 
Carina | 
Equatorial coordinates 
α = 10 11 02.926 
δ =  -57 48 13.881 | 
Galactic coordinates 
l = 282.8555°  
b = -1.3250°  | 
 
  
| Suspected | 
1988Ref | 
 
| Confirmed | 
2006Ref | 
 
| Symbiotic IR type | 
SRef | 
 
| Hot component type | 
accreting-onlyRef | 
 
| Outbursts | 
- | 
 
 
   | 
    
      
      
      
     | 
  
     
    
    
      
      
  Symbiotic Catalogs
  
| Bidelman (1954) | 
- | 
Allen (1984) | 
- | 
Belzcyński et al. (2001) | 
- | 
| Gaposchkin (1957) | 
- | 
Kenyon (1986) | 
- | 
Akras et al. (2019) | 
SS73 17 (Conf.) | 
| Boyarchuk (1969) | 
- | 
Vaidis (1988, 1991) | 
NSV 4775 (Conf.) | 
   
  
  
Position
| Right ascension (°) | 
152.7622Ref | 
Parallax (mas) | 
0.773±0.030Ref | 
Reddening E(B-V) (mag) | 
4.39±0.7Ref, Note | 
| Declination (°) | 
-57.8039Ref | 
Distance (kpc) | 
1.26Ref, Note, 1.26Ref, Note | 
  | 
  | 
| Galactic longitude (°) | 
282.8555Ref | 
Proper motion in α (mas/yr) | 
-8.75±0.04Ref | 
  | 
  | 
| Galactic latitude (°) | 
-1.3250Ref | 
Proper motion in δ (mas/yr) | 
4.22±0.03Ref | 
  | 
  | 
 
  
  
Observations
  
     | X-Ray | 
     YesRef | 
     IR type | 
     SRef | 
     Radio | 
     - | 
   
   
     | X-Ray type | 
     δRef | 
     J (mag) | 
     5.15Ref | 
     Flickering | 
     YesRef | 
   
   
     | GALEX FUV (mag) | 
     - | 
     H (mag) | 
     4.49Ref | 
     Outbursts | 
     - | 
   
   
     | GALEX NUV (mag) | 
     - | 
     K (mag) | 
     3.92Ref | 
     Outburst type | 
     - | 
   
   
     | IUE | 
     NoRef | 
     WISE W1 (mag) | 
     3.75Ref | 
     Jets | 
     - | 
   
   
     | FUSE | 
     NoRef | 
     WISE W2 (mag) | 
     3.40Ref | 
     Resolved nebula | 
     - | 
   
   
     | U (mag) | 
     - | 
     WISE W3 (mag) | 
     3.64Ref | 
     IPmax (eV) | 
     13.6Ref | 
   
   
     | B (mag) | 
     11.03Ref | 
     WISE W4 (mag) | 
     3.19Ref | 
     [O III] lines | 
     NoRef | 
   
   
     | V (mag) | 
     10.03Ref | 
     IRAS 12μm (Jy) | 
     1.52Ref | 
     He II lines | 
     NoRef | 
   
   
     | R (mag) | 
     - | 
     IRAS 25μm (Jy) | 
     3.86Ref | 
     [Fe VII] lines | 
     NoRef | 
   
   
     | I (mag) | 
     - | 
     IRAS 60μm (Jy) | 
     81.70Ref | 
     O VI lines | 
     NoRef | 
   
   
     | BP (mag) | 
     9.98Ref | 
     IRAS 100μm (Jy) | 
     337.00Ref | 
      | 
      | 
   
   
     | G (mag) | 
     8.36Ref | 
     AKARI S09 (Jy) | 
     2.25Ref | 
      | 
      | 
   
   
     | RP (mag) | 
     7.11Ref | 
     AKARI S18 (Jy) | 
     0.64Ref | 
      | 
      | 
   
 
Orbit
| Orbital period (days) | 
520±68Ref | 
γ velocity (km/h) | 
-5.67±0.82Ref | 
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 | 
Min (V) = 2452649±1 + 520±68 x ERef | 
  | 
  | 
  | 
  | 
 
Cool component
| Spectral type | 
M4 IIIRef | 
Mass (M⊙) | 
- | 
Pulsation | 
- | 
| Eff. temperature (K) | 
- | 
Radius (R⊙) | 
- | 
Type | 
- | 
| IR type | 
SRef | 
Luminosity (L⊙) | 
- | 
Pulsation period (days) | 
- | 
| Metallicity [Fe/H] | 
- | 
  | 
  | 
Pulsation ephemeris | 
- | 
 
Hot component
| Type/Spectral type | 
WDRef | 
Mass (M⊙) | 
- | 
Spin period (min) | 
- | 
  | Shell-burning/Accreting-only | 
  accreting-onlyRef | 
Radius (R⊙) | 
- | 
Accretion disk | 
- | 
  | Eff. temperature (K) | 
  - | 
Luminosity (L⊙) | 
- | 
  | 
  | 
  | Lower limit (K) | 
  - | 
  | 
  | 
  | 
  | 
| Upper limit (K) | 
- | 
  | 
  | 
  | 
  | 
 
References
- Angeloni, R., Di Mille, F., Ferreira Lopes, C. E. et al., 2012, ApJL, 756, 1, L21, 2012ApJ...756L..21A
 
- Eze, R. N. C., Luna, G. J. M., Smith, R. K., 2010, ApJ, 709, 2, 816, 2010ApJ...709..816E
 
- Fleming, S., Moon, T., Hoxley, D., 2018, BAAVC, 176, 9, 2018BAAVC.176....9F
 
- Henize, K. G., 1976, ApJS, 30, 491, 1976ApJS...30..491H
 
- Masetti, N., Bassani, L., Dean, A. J. et al., 2006, ATel, 715, 1, 2006ATel..715....1M
 
- Merc, J., Beck, P. G., Mathur, S. et al., 2023, arXiv, arXiv:2312.16126, 2023arXiv231216126M
 
- Pereira, C. B., Franco, C. S., de Araújo, F. X., 2003, A&A, 397, 927, 2003A&A...397..927P
 
- Sanduleak, N., Stephenson, C. B., 1973, ApJ, 185, 899, 1973ApJ...185..899S
 
- Smith, R. K., Mushotzky, R., Mukai, K. et al., 2008, PASJ, 60, S43, 2008PASJ...60S..43S
 
- Vaidis, J.-P., 1988, BAFOE, 45, 13, 1988BAFOE..45...13V
 
 
Last updated: April 6, 2022