The large-scale distribution of X-ray active stars

Details The large-scale distribution of X-ray active stars The large-scale distribution of X-ray active stars

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...334..540g&link_type=abstract

Astronomy and Astrophysics, v.334, p.540-544 (1998)

Astronomy and Astrophysics

Astrophysics

40

X-Ray: Stars, Galaxy: Stellar Content, Stars: Late-Type

Scientific paper

We analyse the large-scale sky distribution of 8593 X-ray emitting stars from the cross-correlation of the ROSAT All-Sky Survey sources with the Tycho catalog. We detect a density gradient from the galactic plane to the galactic pole which is attributed to the scale height of the young late type star population of the galactic disc. The data also show a low galactic latitude enhanced feature with respect to mean plane density. We fit the observed X-ray stellar surface density with a model consisting of a constant background component plus an exponential disc and derive for the best fit an inclination i = 27.5(deg) +/- 1(deg) and an ascending node l_Ω = 282(deg) +/- 3(deg) with respect to the galactic plane. We discuss the Gould belt as a possible explanation to account for the observed enhancement. Based on observations made with the ESA Hipparcos astrometry satellite

Affiliated with

Also associated with

No associations

Rating

The large-scale distribution of X-ray active stars 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 The large-scale distribution of X-ray active stars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The large-scale distribution of X-ray active stars will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1330016