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News Release Archive:

News Release 576 of 951

November 9, 2000 01:00 PM (EST)

News Release Number: STScI-2000-35

Hubble Sees Bare Neutron Star Streaking Across Space

Technical facts about this news release:

About this Object 
Object Name: RX J185635-3754
Object Description: Neutron Star
Position (J2000): R.A. 18h 56m 35.35s
Dec. -37° 54' 32.0"
Constellation: Corona Australis
Magnitude: V26
Distance: About 200 light-years
Diameter: 12 miles (20 km)
Speed: 240,000 miles per hour (389,000 kilometers per hour)
Proper Motion: 1/3 of a second of arc per year
Dimensions: This image is 8.8 arcseconds (0.1 light-years) across.
About the Data 
Instrument: WFPC2
Exposure Dates: October 6, 1996, March 30, 1999, September 16, 1999
Exposure Time: 6 hours
Filters: F606W (V)
Principal Astronomers: F. Walter, J. Lattimer, M. Prakash, S. Wolk, L. Matthews, P. An (SUNY Stony Brook), R. Neuhaeuser (Max-Planck-Institut fuer Extraterrestrische Physik).
About this Image 
Release Date: November 9, 2000 1:00 p.m. (EST)
Orientation: The Motion of RX J185635-3754 - The Nearest Neutron Star to Earth