HST/COS Spectroscopy of Hydrogen-Deficient Post-AGB Stars: Clues on the Nature of O(He)-Type Stars
On helium-dominated stellar evolution: the mysterious role of the O(He)-type stars
Spectral analysis of the O(He)-type central stars of the planetary nebulae K 1-27 and LoTr 4
Instrument
COS, COS/FUV
Temporal Coverage
2010-04-11T01:56:14Z/2010-07-12T11:44:32Z
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, Rauch et al., 2011, 'On the evolutionary status of extremely hot helium stars - are the O{He} stars successors of the R CrB stars?', 1.0, European Space Agency, https://doi.org/10.5270/esa-1kr4rzw