SIMBAD references

2006ApJ...649L.103M - Astrophys. J., 649, L103-L106 (2006/October-1)

GCIRS 16SW: a massive eclipsing binary in the Galactic Center.

MARTINS F., TRIPPE S., PAUMARD T., OTT T., GENZEL R., RAUW G., EISENHAUER F., GILLESSEN S., MANESS H. and ABUTER R.

Abstract (from CDS):

We report on the spectroscopic monitoring of GCIRS 16SW, an Ofpe/WN9 star and LBV candidate in the central parsec of the Galaxy. SINFONI observations show strong daily spectroscopic changes in the K band. Radial velocities are derived from the He I 2.112 µm line complex and vary regularly with a period of 19.45 days, indicating that the star is most likely an eclipsing binary. Under various assumptions, we are able to derive a mass of ∼50 M☉for each component.

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Journal keyword(s): Stars: Binaries: Eclipsing - Galaxy: Center - Stars: Early-Type

Simbad objects: 10

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