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Ngc 3603-c

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Title: Ngc 3603-c  
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Subject: Carina (constellation), NGC 3603, Spectroscopic binaries, AXP 1E 1048-59, NGC 3059
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Ngc 3603-c

NGC 3603-C
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Carina
Right ascension 11h 15m 07.59s
Declination −61° 15′ 38″
Apparent magnitude (V) 11.89
Spectral type WN6h+?[1]
B−V color index 1.05
Proper motion (μ) RA: 2.4 mas/yr
Dec.: 2.8 mas/yr
Distance 7,600[1] pc
Mass 113[1] M
Radius 26[1] R
Luminosity 2,200,000[1] L
Temperature 44,000[1] K
Other designations
NGC 3603-C, HD 97950C, CPD-60 3452C, NGC 3603 MDS 18
Database references

NGC 3603-C is a massive spectroscopic binary star system located in NGC 3603, about 20,000 light years from Earth. Its two component stars circle each other every 8.9 days.[2] Only the primary spectrum has been detected and the physical parameters for this star must be regarded as approximate.


  1. ^ a b c d e f Crowther, P. A.; Schnurr, O.; Hirschi, R.; Yusof, N.; Parker, R. J.; Goodwin, S. P.; Kassim, H. A. (2010). "The R136 star cluster hosts several stars whose individual masses greatly exceed the accepted 150 M stellar mass limit".  
  2. ^ Schnurr, O.; Casoli, J.; Chené, A. -N.; Moffat, A. F. J.; St-Louis, N. (2008). "The very massive binary NGC 3603-A1". Monthly Notices of the Royal Astronomical Society: Letters 389: L38.  

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