GO 17143

Sun Jan 18 08:59:31 EST 2026

Principal Investigator: Xuheng Ding
PI Institution: Wuhan University
Investigators (XML)

Title: Identification of dual quasars with close separations at z>1
Cycle: 30
External Allocation: 12 orbits
Proprietary Period: 6 months

Program Status: Program has been Completed

Program Coordinator: Blair Porterfield Contact
Contact Scientist: Russell Ryan Contact

Program Contents

• APT File
• Formatted Listing
• Public PDF
• HST Archive Information

Visit Status Information (XML)

Requests

• Report a duplication of an observation in this program by another HST program.
• Request an observing change.