This week in Dr. Barlow’s Universe
Rodrigo Catalan-Hurtado is using the 1.5-meter SMARTS telescope in Chile to collect nightly optical spectra of a newly-discovered binary star system. The attached figure shows an example of a single spectral image. The bright vertical “stripes” are individual spectral orders that together cover the wavelength range 450 nm (leftmost order) to 850 nm (rightmost order). […]