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Proposed Future wr targets : WR115 and wr120. Alexandre David- Uraz ( Université de Montréal) Tony Moffat ( Université de Montréal) André-Nicolas Chené (NRC/HIA). Outline. General information about both targets Position in the CVZ Spectral variability Light curves
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Proposed Future wr targets :WR115 and wr120 Alexandre David-Uraz (Université de Montréal) Tony Moffat (Université de Montréal) André-Nicolas Chené (NRC/HIA)
Outline • General information about both targets • Position in the CVZ • Spectral variability • Light curves • Corotating Interaction Region (CIR)
General information about the targets WR115 WR120 • WR115 = HIP 90299 • RA : 18:25:30.013 • Dec : -14:38:40.90 • Spectral type : WN6 • B : 13.02 • V : 11.84 • WR120 = V* V462 Sct • RA : 18:41:00.88 • Dec : -04:26:14.3 • Spectral type : WN7 • B : 13.31 • V : 12.28
Targets in the MOST CVZ WR120 WR115
Spectral variability residuals mean profile variability TVS
Residuals - HeII5411 line WR115 WR120 7.2 hours
Light Curves NIR observation with CPAPIR@CTIO-1.5m (Ks) 10%
Light Curves • 10.61-d period in WR120?
Corotating Interaction Region Dessart & Chesneau (2002) Cranmer & Owocki (1996)