41. Detectors include an SBIG ST-9E CCD camera and a DSS-7 spectrograph . 42. One telescope is equipped with a spectrograph . 43. Observations with the HARPS spectrograph could not confirm the 10.24-day variation. 44. Dominique Naef discovered this planet in March 2007 by using HARPS spectrograph located in Chile. 45. Dominique Naef discovered this planet in early 2007 by using HARPS spectrograph located in Chile. 46. Later observation by both SuperWASPs in the CORALIE spectrograph at La Silla Observatory in Chile. 47. STIS, the space telescope imaging spectrograph , is basically the telescope's color vision. 48. Spectrographs have been used for decades by astronomers, but not like this, said Crocker.49. F . W . Aston discovered multiple stable isotopes for numerous elements using a mass spectrograph . 50. Now there are at least 20 ground-based radio-spectrographs operating around the world.
