Two nearby stars have been determined in subsequent observations to be optical companions only. (members.nova.org)
By taking more measurements with the Himalayan Chandra Telescope in India, and with subsequent observations using the Spitzer Space Telescope, Gillon got a good sense of how often the seven planets orbited their parent star. (seeker.com)
It took subsequent observations of the faint host galaxy with the VLT in Chile for astronomers to determine the distance and energy of the explosions. (sciencedaily.com)