Persistent Identifier
|
hdl:2014/45989 |
Publication Date
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2016-06-26 |
Title
| Nanoradian ground-based astrometry, optical navigation, and artificial reference stars |
Author
| Zhai, Chengxing (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Shao, Michael (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Biswas, Abhijit (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Ely, Todd (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Jacobs, Christopher (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Lazio, Joseph (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Martin-Mur, Tomas (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Owen, William (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Rud, Mike (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Saini, Navtej (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Sandhu, Jagmit (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Turyshev, Slava (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016)
Werne, Thomas (Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2016) |
Point of Contact
|
Use email button above to contact.
Zhai, Chengxing |
Description
| Spacecraft carrying optical communication lasers can be treated as artificial stars, whose relative astrometry to Gaia reference stars provides spacecraft positions in the plane-of-sky for optical navigation. To be comparable to current Deep Space Network delta-Differential One-way Ranging measurements, thus sufficient for navigation, nanoradian optical astrometry is required. Here we describe our error budget, techniques for achieving nanoradian level ground-base astrometry, and preliminary results from a 1 m telescope. We discuss also how these spacecraft may serve as artificial reference stars for adaptive optics, high precision astrometry to detect exoplanets, and tying reference frames defined by radio and optical measurements. |
Subject
| Other |
Production Date
| 2016-06-26 |