Calibration of the distance scale of planetary nebulae

Details Calibration of the distance scale of planetary nebulae Calibration of the distance scale of planetary nebulae

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.177..199a&link_type=abstract

In ESA The Sci. Aspects of the Hipparcos Space Astrometry Mission p 199-200 (SEE N82-30146 20-88)

Astronomy and Astrophysics

Astronomy

1

Astrometry, Calibrating, Distance, Esa Satellites, Planetary Nebulae, Brightness, Kinematics, Position (Location), Stellar Envelopes, Stellar Magnitude, Stellar Parallax

Scientific paper

The use of Hipparcos satellite trigonometric parallaxes to calibrate distance scales for planetary nebulae and faint and distant stars is discussed. Ground based trigonometric and spectroscopic parallaxes and statistical estimates of distance are imprecise and show little agreement. Stars observed by Hipparcos for calibration should have envelopes between 2 and 3 arcsec size, with greatest magnitude = 12, when the background sky brightness = 190 stars of magnitude 10 per sq deg. Distance must be 500 parsec. Fifteen objects meet these specifications.

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