HUBBLE SPACE TELESCOPE PROPER MOTIONS OF INDIVIDUAL STARS IN STELLAR STREAMS: ORPHAN, SAGITTARIUS, LETHE, AND THE NEW “PARALLEL STREAM”

HUBBLE SPACE TELESCOPE PROPER MOTIONS OF INDIVIDUAL STARS IN STELLAR STREAMS: ORPHAN, SAGITTARIUS, LETHE, AND THE NEW “PARALLEL STREAM”

We present a multi-epoch Hubble Space Telescope (HST) study of stellar proper motions (PMs) for four fields along the Orphan Stream. We determine absolute PMs of several individual stars per target field using established techniques that utilize distant background galaxies to define a stationary ref...

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Bibliographic Details
Main Authors: Sohn, Sangmo Tony, van der Marel, Roeland P., Kallivayalil, Nitya, Majewski, Steven R., Besla, Gurtina, Carlin, Jeffrey L., Law, David R., Siegel, Michael H., Anderson, Jay
Other Authors: Univ Arizona, Steward Observ
Language:en
Published: IOP PUBLISHING LTD 2016
Subjects:
astrometry
Galaxy: halo
Galaxy: kinematics and dynamics
proper motions
Online Access:http://hdl.handle.net/10150/622680
http://arizona.openrepository.com/arizona/handle/10150/622680

Internet

http://hdl.handle.net/10150/622680
http://arizona.openrepository.com/arizona/handle/10150/622680

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