Spectrum of Kappa Orionis- Saiph - HD 38771 - SAO 132542 [B0.5Iavar] - 2015-01-26
Specs
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Telescope: Officina Stellare RC360AS, f/8, d=360mm
Spectrograph: Lhires III, 300gr, slit 23u Resolution: 1.13 A / pixel, resolving power = 1400
Date: 26th Jannuary 2015
2 Spectra with 300 lines/mm, processed with BASS project Calibrated with external XeNe-plasma-lamp spectrum, normalized flux Left spectrum 5 images (5x120s), Right spectrum 6 images (6x120s) Dark corrected, cropped, enlarged by factor 2 and stacked with PixInsight Calibrated, instrument response corrected and merged spectrum | Download spectrum FIT: saiph_2p70_3p10_1D.fit Download RAW (8MB): Saiph.zip Download BASS project bundle: saiph_2p70_3p15.bun |
Stellar data (Wikipedia.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
