Help/FAQ   What's New   Site Map   NASA Homepage Search    Advanced Search HEASARC Quick Links

HEASARC HOME OBSERVATORIES ARCHIVE CALIBRATION SOFTWARE TOOLS STUDENTS / TEACHERS / PUBLIC

ABOUT THE HEASARC RESOURCES FOR SCIENTISTS FAQ/HELP SITE MAP OTHER ARCHIVES

Guest Observer Facilities & Science Centers Select One AGILE ASCA Astro-H BeppoSAX COBE CGRO Chandra EUVE Fermi (formerly GLAST) GALEX GEMS HETE-2 INTEGRAL ROSAT RXTE Suzaku Swift WMAP XMM-Newton NASA Archives Select One ADS AstroGravS EOSDIS HORIZONS IRSA Keck Archive LAMBDA MAST NExScI (formerly Michelson) NED NSSDC NStED PDS SDAC SPDF Spitzer Science Center HEASARC Tip: View all tips Next: COlor Up: PLT Command Summary Previous: PLT Command Summary CLear CLear Immediately clear the current plot device. Web Page Maintained by: Dr. Lawrence E. Brown elwin@redshift.gsfc.nasa.gov