spectrum of Kappa Orionis- Saiph - HD 38771 - SAO 132542 [B0.5Iavar]

 

 
Telescope: Officina Stellare RC360AS, f/8, d=360mm 2 Spectra with 300 lines/mm, processed with BASS project Download spectrum FIT:  saiph_2p70_3p10_1D.fit
Spectrograph: Lhires III, 300gr, slit 23u Calibrated with external XeNe-plasma-lamp spectrum, normalized flux Download RAW (8MB): Saiph.zip
Camera: SBIG ST10-Xe Left spectrum 5 images (5x120s) Download BASS project bundle: saiph_2p70_3p15.bun
Resolution: 1.13 A / pixel, resolving power = 1400 Right spectrum 6 images (6x120s)  
Acquisition software: SbigControl Dark corrected, cropped, enlarged by factor 2 and stacked with PixInsight  
Date: 2. November 2014, UTC 02:00 - 03:00 Calibrated, instrument response corrected and merged spectrum  
Saiph
Stellar data (Wikipedio.org):
Constellation: Orion, RA: 05h 47m 45.38884s, Dec: −09° 40′ 10.5777″
v = 2.09 mag, Mv = -6.1 mag
Rv = +20.5 km/s
Distance: 650 +- 30 ly, 198 +-9 pc
Mass: 15.5 +-1.25 MΘ
Radius: ~ 22.2 RΘ
Luninosity: 56881 LΘ
Rotational velocity 83 km/s
Age: 11.1 +-0.5 x 10^6 years