Speckle interferometry measurements of the asteroids 10-Hygiea and 15-Eunomia

Details Speckle interferometry measurements of the asteroids 10-Hygiea and 15-Eunomia Speckle interferometry measurements of the asteroids 10-Hygiea and 15-Eunomia

Feb 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000a%26a...354..315r&link_type=abstract

Astronomy and Astrophysics, v.354, p.315-320 (2000)

Astronomy and Astrophysics

Astrophysics

7

Methods: Data Analysis, Techniques: Interferometric, Minor Planets, Asteroids

Scientific paper

Speckle interferometry measurements of the asteroids 10-Hygiea and 15-Eunomia have been obtained with the speckle facility aboard the AdOpt@TNG module, permanently mounted on the 3.58m TNG telescope in Canary Islands. Direct angular diameter measurements and estimates of the apparent ellipticity are given allowing to derive the density of these asteroids, combining our data with published results. Our data for 15-Eunomia, moreover, are compatible with both an egg-shaped and a double, in contact, asteroid model. A brief discussion of both models is here presented.

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