A High-resolution Multiband Survey of Westerlund 2 with the Hubble Space Telescope. I. Is the Massive Star Cluster Double?
A spectroscopic investigation of early-type stars in the young open cluster Westerlund 2
The Distance to the Massive Galactic Cluster Westerlund 2 from a Spectroscopic and HST Photometric Study
Instrument
WFPC2, WFPC2/PC
Temporal Coverage
2005-05-19T06:23:16Z/2005-05-20T19:03:16Z
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, Kobulnicky comma Henry A., 2006, 'Resolving Distance Ambiguity toward Westerlund 2', 1.0, European Space Agency, https://doi.org/10.5270/esa-8ec9po3