A giant X-ray/optical flare on II Peg

Details A giant X-ray/optical flare on II Peg A giant X-ray/optical flare on II Peg

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990iraj...19..150b&link_type=abstract

Irish Astronomical Journal (ISSN 0021-1052), vol. 19, Mar.-Sept. 1990, p. 150-153.

Astronomy and Astrophysics

Astronomy

1

Cosmic X Rays, Light Emission, Stellar Flares, Stellar Spectra, Iron, Light Curve, Spaceborne Astronomy, X Ray Spectroscopy

Scientific paper

The paper presents a preliminary account of a large X-ray flare recorded by an X-ray satellite (it was also recorded in broadband optical light and in hydrogen Balmer emission) as a part of a campaign to monitor the RS CVn system II Peg with ground-based optical photometry and spectroscopy and satellite ultraviolet and X-ray spectroscopy. Two X-ray flares observed are described: the first one is relatively weak in X-rays, while the second flare which is the subject of the discussion, was present when the source was reacquired after earth occultation on August 17, 1989. Flare energy, temperature, and emission measure and volume are analyzed, and emphasis is placed on the observation of a line feature at approximately 6.8 keV, coinciding in energy to the position of the H-like FeXXVI line at 1.79 A.

Affiliated with

Also associated with

No associations

Rating

A giant X-ray/optical flare on II Peg does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A giant X-ray/optical flare on II Peg, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A giant X-ray/optical flare on II Peg will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1404714