HD 138403
        
      
        
  
    
    
    MISCLASSIFIED
    MILKY WAY  
    
Constellation 
Apus | 
Equatorial coordinates 
α = 15 37 11.195 
δ =  -71 54 52.954 | 
Galactic coordinates 
l = 315.1080°  
b = -13.0813°  | 
 
  
| Suspected | 
1974Ref | 
 
| Re-classified | 
1977Ref | 
 
| Type | 
low excitation PNRef | 
 
 
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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 (°) | 
234.2966Ref | 
Parallax (mas) | 
0.368±0.030Ref | 
Reddening E(B-V) (mag) | 
0.13±0.01Ref, Note | 
| Declination (°) | 
-71.9147Ref | 
Distance (kpc) | 
2.58Ref, Note, 2.55Ref, Note | 
  | 
  | 
| Galactic longitude (°) | 
315.1080Ref | 
Proper motion in α (mas/yr) | 
-3.50±0.03Ref | 
  | 
  | 
| Galactic latitude (°) | 
-13.0813Ref | 
Proper motion in δ (mas/yr) | 
-4.16±0.03Ref | 
  | 
  | 
 
  
Notes
Allen & Glass (1974) proposed that this southern PN exhibits infrared luminosity indicative of a continuum similar to that observed in symbiotic and VV Cephei stars.
 
References
- Allen, D. A., Glass, I. S., 1974, MNRAS, 167, 337, 1974MNRAS.167..337A
 
- Hutton, R. G., Mendez, R. H., 1993, A&A, 267, L8, 1993A&A...267L...8H
 
- Koelbloed, D., 1962, BAN, 16, 163, 1962BAN....16..163K
 
- Thackeray, A. D., 1977, MNRAS, 180, 95, 1977MNRAS.180...95T
 
 
Last updated: April 30, 2022