Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978aj.....83..201t&link_type=abstract
Astronomical Journal, vol. 83, Feb. 1978, p. 201-204. NASA-supported research.
Astronomy and Astrophysics
Astronomy
4
Asteroids, Astronomical Photometry, Magnitude, Spectrophotometry, Ubv Spectra, Color, Light Curve, Asteroids
Scientific paper
Five light curves of (5) Astraea are presented along with UBV photometric results and analyses of the pole orientation, sidereal period, sense of rotation, and color coefficients. A sidereal period of 16 hr 48 min 43.60 sec (+ or - 0.03 sec) with a retrograde sense of rotation is adopted as well as a North Pole position at +9 deg (+ or 1 deg) latitude and 148 deg (+ or - 3 deg) ecliptic longitude. It is noted that an amplitude-aspect plot indicates an amplitude of the order of 0.37 magnitude for an equatorial-aspect light curve of Astraea
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