Monthly Archives: February 2015

zet Pup & gam2 Vel animations

20 spectra of zet Pup taken between UT 1130 and UT 1830 on February 19, 2015. 19 spectra of gam2 Vel taken between UT 1150 and UT 1820 on February 20, 2015.

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Gamma² Velorum update …

The gam² Vel campaign entering its third month (click to enlarge image). The impressive  feature at 5696Å is the C III emission of the Wolf-Rayet companion, and the ‘left-right’ wavelength shift over time is a result of its 78.5 day orbit. … Continue reading

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The Lhires III spectroscope at low resolution

Some test absorption and emission spectra acquired with the Lhires III using a 150 l/mm grating.     

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