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News Release Archive:

News Release 596 of 967

September 21, 2000 01:00 AM (EDT)

News Release Number: STScI-2000-32

Movies from Hubble Show the Changing Faces of Infant Stars

Technical facts about this news release:

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XZ Tauri
About this Object 
Object Name: XZ Tauri
Object Description: T Tauri Star; Binary Star System
Position (J2000): R.A. 04h 31m 40.0 s
Dec. 18° 13' 58"
Constellation: Taurus
Magnitude: R13 mag; I12 mag
Dimensions: Bubble Length5 arcseconds
About the Data 
Instrument: WFPC2
Exposure Dates: January 1995, March 1998, February 1999, February 2000
Filter: R band (F675W)
About this Image 
Image Credit: NASA, John Krist (Space Telescope Science Institute), Karl Stapelfeldt (Jet Propulsion Laboratory), Jeff Hester (Arizona State University), Chris Burrows (European Space Agency/Space Telescope Science Institute)
Release Date: September 21, 2000 1:00 a.m. (EDT)
Orientation: Hot Gas Bubble Ejected by Young Binary Star System XZ Tauri
Reference

Hubble Space Telescope WFPC2 Imaging of XZ Tauri: Time Evolution of a Herbig-Haro Bow Shock
Krist, et. al., ApJ 515 L35 (1999)


HH 30
About this Object 
Object Name: HH 30
Object Type: Herbig-Haro Object
Position (J2000): R.A. 04h 31m 37.6s
Dec. 18° 12' 26"
Constellation: Taurus
Magnitude: V19.5 mags
Dimensions: Disk diameter: 450 AU Astronomical Units
About the Data 
Instrument: WFPC2
Exposure Dates: January 1995, March 1998, February 1999, February 2000
Filter: R band (F675W)
About this Image 
Image Credit: NASA, Alan Watson (Universidad Nacional Autonoma de Mexico), Karl Stapelfeldt (Jet Propulsion Laboratory), John Krist and Chris Burrows (European Space Agency/Space Telescope Science Institute)
Release Date: September 21, 2000 1:00 a.m. (EDT)
Orientation: Young Star HH30's Dynamic Disk and Jets
Reference

A Variable Asymmetry in the Circumstellar Disk of HH 30
Stapelfeldt, et. al., ApJ 516 L95 (1999)