Hen 2-90

MISCLASSIFIED MILKY WAY
 
Constellation
Centaurus		 Equatorial coordinates
α = 13 09 36.225
δ = -61 19 35.978		 Galactic coordinates
l = 305.1099°
b = 1.4682°

Suspected 2000Ref
Re-classified 2007Ref
Type B[e] starRef

Identifiers

Hen 2-90 IRAS 13064-6103 GSC2.4.2 S7NT016552 AAVSO -
SIMBAD WRAY 16-125 Pan-STARRS - SAO - VSX -
GAIA DR3 5863599857739835264 SkyMapper 130936.24-611935.9 WRAY 16-125 GCVS -
2MASS J13093623-6119359 HIP - Hen 2-90 BD -
WISE J130936.22-611935.7 TYC 8990-3688-1 ESO 132-1 HD -

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 (°) 197.4009Ref Parallax (mas) -1.358±0.375Ref Reddening E(B-V) (mag) 2.53±0.21Ref, Note
Declination (°) -61.3267Ref Distance (kpc) 4.54Ref, Note, 3.63Ref, Note    
Galactic longitude (°) 305.1099Ref Proper motion in α (mas/yr) -6.30±0.28Ref    
Galactic latitude (°) 1.4682Ref Proper motion in δ (mas/yr) -0.10±0.35Ref    

Links

SIMBAD   CDS Portal

Notes

While initial suggestions pointed towards a symbiotic classification (Sahai & Nyman, 2000; Guerrero et al., 2001), this classification was subsequently excluded by Kraus et al. (2007). However, mentioned again as a symbiotic system in Guerrero et al. (2021).

References

  • Guerrero, M. A., Cazzoli, S., Rechy-García, J. S. et al., 2021, ApJ, 909, 1, 44, 2021ApJ...909...44G
  • Guerrero, M. A., Miranda, L. F., Chu, Y. et al., 2001, ApJ, 563, 2, 883, 2001ApJ...563..883G
  • Kraus, M., Borges Fernandes, M., de Araujo, F. X., 2007, Massive Stars in Interactive Binaries, 367, 349, 2007ASPC..367..349K
  • Sahai, R., Nyman, L., 2000, ApJL, 538, 2, L145, 2000ApJ...538L.145S


Last updated: April 30, 2022