Differential Proper-motion Study of the Circumstellar Dust Shell of the Enigmatic Object, HD 179821
Instrument
WFPC2, WFPC2/PC
Temporal Coverage
2007-07-06T09:29:16Z/2007-07-06T11:14:46Z
Version
1.0
Mission Description
Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
European Space Agency, Ueta comma Toshiya, 2008, 'Establishing the Nature of a Mysterious Evolved Star, HD179821', 1.0, European Space Agency, https://doi.org/10.5270/esa-7qdd6zg