skip to content

The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 20 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. The survey is open until Dec 18, 2023. We thank you in advance for your valuable feedback.

ASCA Guest Observer Facility

SIS: Capella Ring

Capella Ring

Images of the nearby star Capella obtained by the four ASCA detectors. The Solid-state Imaging Spectrometer (SIS) detectors were operated in four Charge Coupled Device (CCD) mode. In each image from the Gas Imaging Spectrometer (GIS) dectectors, the iron calibration source can be seen at the edge of the field of view.

This file was last modified on Friday, 09-Jul-1999 12:04:49 EDT
Curator: Michael Arida (SP Sys);
HEASARC Guest Observer Facility

If you have any questions concerning ASCA, visit our Feedback form.

This file was last modified on Friday, 09-Jul-1999 12:04:49 EDT

NASA Astrophysics

  • FAQ/Comments/Feedback
  • Education Resources
  • Download Adobe Acrobat
  • A service of the Astrophysics Science Division (ASD) at NASA/ GSFC

    ASCA Project Scientist: Dr. Nicholas E. White

    Responsible NASA Official: Phil Newman

    Privacy Policy and Important Notices.